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Merge branch 'master' of github.com:NixOS/nix into drv-outputs-map-allow-missing

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This commit is contained in:
Carlo Nucera 2020-07-31 13:12:51 -04:00
commit b6d97fdbf4
76 changed files with 1134 additions and 630 deletions
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2
.version
View file

@ -1 +1 @@
2.4
3.0

28
doc/manual/command-ref/conf-file.xml
View file

@ -370,34 +370,6 @@ false</literal>.</para>
</varlistentry>
<varlistentry xml:id="conf-hashed-mirrors"><term><literal>hashed-mirrors</literal></term>
<listitem><para>A list of web servers used by
<function>builtins.fetchurl</function> to obtain files by
hash. The default is
<literal>http://tarballs.nixos.org/</literal>. Given a hash type
<replaceable>ht</replaceable> and a base-16 hash
<replaceable>h</replaceable>, Nix will try to download the file
from
<literal>hashed-mirror/<replaceable>ht</replaceable>/<replaceable>h</replaceable></literal>.
This allows files to be downloaded even if they have disappeared
from their original URI. For example, given the default mirror
<literal>http://tarballs.nixos.org/</literal>, when building the derivation
<programlisting>
builtins.fetchurl {
url = "https://example.org/foo-1.2.3.tar.xz";
sha256 = "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae";
}
</programlisting>
Nix will attempt to download this file from
<literal>http://tarballs.nixos.org/sha256/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae</literal>
first. If it is not available there, if will try the original URI.</para></listitem>
</varlistentry>
<varlistentry xml:id="conf-http-connections"><term><literal>http-connections</literal></term>
<listitem><para>The maximum number of parallel TCP connections

4
mk/precompiled-headers.mk
View file

@ -21,13 +21,13 @@ clean-files += $(GCH) $(PCH)
ifeq ($(PRECOMPILE_HEADERS), 1)
ifeq ($(CXX), g++)
ifeq ($(findstring g++,$(CXX)), g++)
GLOBAL_CXXFLAGS_PCH += -include $(buildprefix)precompiled-headers.h -Winvalid-pch
GLOBAL_ORDER_AFTER += $(GCH)
else ifeq ($(CXX), clang++)
else ifeq ($(findstring clang++,$(CXX)), clang++)
GLOBAL_CXXFLAGS_PCH += -include-pch $(PCH) -Winvalid-pch

9
perl/lib/Nix/Store.xs
View file

@ -80,7 +80,7 @@ SV * queryReferences(char * path)
SV * queryPathHash(char * path)
PPCODE:
try {
auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash.to_string(Base32, true);
auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash->to_string(Base32, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
@ -106,7 +106,7 @@ SV * queryPathInfo(char * path, int base32)
XPUSHs(&PL_sv_undef);
else
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0)));
auto s = info->narHash.to_string(base32 ? Base32 : Base16, true);
auto s = info->narHash->to_string(base32 ? Base32 : Base16, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
mXPUSHi(info->registrationTime);
mXPUSHi(info->narSize);
@ -304,7 +304,10 @@ SV * derivationFromPath(char * drvPath)
HV * outputs = newHV();
for (auto & i : drv.outputs)
hv_store(outputs, i.first.c_str(), i.first.size(), newSVpv(store()->printStorePath(i.second.path).c_str(), 0), 0);
hv_store(
outputs, i.first.c_str(), i.first.size(),
newSVpv(store()->printStorePath(i.second.path(*store(), drv.name)).c_str(), 0),
0);
hv_stores(hash, "outputs", newRV((SV *) outputs));
AV * inputDrvs = newAV();

37
scripts/install-multi-user.sh
View file

@ -37,6 +37,8 @@ readonly PROFILE_NIX_FILE="$NIX_ROOT/var/nix/profiles/default/etc/profile.d/nix-
readonly NIX_INSTALLED_NIX="@nix@"
readonly NIX_INSTALLED_CACERT="@cacert@"
#readonly NIX_INSTALLED_NIX="/nix/store/j8dbv5w6jl34caywh2ygdy88knx1mdf7-nix-2.3.6"
#readonly NIX_INSTALLED_CACERT="/nix/store/7dxhzymvy330i28ii676fl1pqwcahv2f-nss-cacert-3.49.2"
readonly EXTRACTED_NIX_PATH="$(dirname "$0")"
readonly ROOT_HOME=$(echo ~root)
@ -69,9 +71,11 @@ uninstall_directions() {
subheader "Uninstalling nix:"
local step=0
if poly_service_installed_check; then
if [ -e /run/systemd/system ] && poly_service_installed_check; then
step=$((step + 1))
poly_service_uninstall_directions "$step"
else
step=$((step + 1))
fi
for profile_target in "${PROFILE_TARGETS[@]}"; do
@ -250,6 +254,8 @@ function finish_success {
echo "But fetching the nixpkgs channel failed. (Are you offline?)"
echo "To try again later, run \"sudo -i nix-channel --update nixpkgs\"."
fi
if [ -e /run/systemd/system ]; then
cat <<EOF
Before Nix will work in your existing shells, you'll need to close
@ -264,6 +270,26 @@ hesitate:
$(contactme)
EOF
else
cat <<EOF
Before Nix will work in your existing shells, you'll need to close
them and open them again. Other than that, you should be ready to go.
Try it! Open a new terminal, and type:
$ sudo nix-daemon
$ nix-shell -p nix-info --run "nix-info -m"
Additionally, you may want to add nix-daemon to your init-system.
Thank you for using this installer. If you have any feedback, don't
hesitate:
$(contactme)
EOF
fi
}
@ -664,12 +690,8 @@ main() {
# shellcheck source=./install-darwin-multi-user.sh
. "$EXTRACTED_NIX_PATH/install-darwin-multi-user.sh"
elif [ "$(uname -s)" = "Linux" ]; then
if [ -e /run/systemd/system ]; then
# shellcheck source=./install-systemd-multi-user.sh
. "$EXTRACTED_NIX_PATH/install-systemd-multi-user.sh"
else
failure "Sorry, the multi-user installation requires systemd on Linux (detected using /run/systemd/system)"
fi
. "$EXTRACTED_NIX_PATH/install-systemd-multi-user.sh" # most of this works on non-systemd distros also
else
failure "Sorry, I don't know what to do on $(uname)"
fi
@ -702,7 +724,10 @@ main() {
setup_default_profile
place_nix_configuration
if [ -e /run/systemd/system ]; then
poly_configure_nix_daemon_service
fi
trap finish_success EXIT
}

4
scripts/install-nix-from-closure.sh
View file

@ -35,7 +35,7 @@ fi
# Determine if we could use the multi-user installer or not
if [ "$(uname -s)" = "Darwin" ]; then
echo "Note: a multi-user installation is possible. See https://nixos.org/nix/manual/#sect-multi-user-installation" >&2
elif [ "$(uname -s)" = "Linux" ] && [ -e /run/systemd/system ]; then
elif [ "$(uname -s)" = "Linux" ]; then
echo "Note: a multi-user installation is possible. See https://nixos.org/nix/manual/#sect-multi-user-installation" >&2
fi
@ -122,7 +122,7 @@ if [ "$(uname -s)" = "Darwin" ]; then
fi
if [ "$INSTALL_MODE" = "daemon" ]; then
printf '\e[1;31mSwitching to the Daemon-based Installer\e[0m\n'
printf '\e[1;31mSwitching to the Multi-user Installer\e[0m\n'
exec "$self/install-multi-user"
exit 0
fi

8
src/build-remote/build-remote.cc
View file

@ -33,7 +33,7 @@ std::string escapeUri(std::string uri)
static string currentLoad;
static AutoCloseFD openSlotLock(const Machine & m, unsigned long long slot)
static AutoCloseFD openSlotLock(const Machine & m, uint64_t slot)
{
return openLockFile(fmt("%s/%s-%d", currentLoad, escapeUri(m.storeUri), slot), true);
}
@ -119,7 +119,7 @@ static int _main(int argc, char * * argv)
bool rightType = false;
Machine * bestMachine = nullptr;
unsigned long long bestLoad = 0;
uint64_t bestLoad = 0;
for (auto & m : machines) {
debug("considering building on remote machine '%s'", m.storeUri);
@ -130,8 +130,8 @@ static int _main(int argc, char * * argv)
m.mandatoryMet(requiredFeatures)) {
rightType = true;
AutoCloseFD free;
unsigned long long load = 0;
for (unsigned long long slot = 0; slot < m.maxJobs; ++slot) {
uint64_t load = 0;
for (uint64_t slot = 0; slot < m.maxJobs; ++slot) {
auto slotLock = openSlotLock(m, slot);
if (lockFile(slotLock.get(), ltWrite, false)) {
if (!free) {

5
src/libexpr/eval-cache.cc
View file

@ -285,11 +285,10 @@ static std::shared_ptr<AttrDb> makeAttrDb(const Hash & fingerprint)
}
EvalCache::EvalCache(
bool useCache,
const Hash & fingerprint,
std::optional<std::reference_wrapper<const Hash>> useCache,
EvalState & state,
RootLoader rootLoader)
: db(useCache ? makeAttrDb(fingerprint) : nullptr)
: db(useCache ? makeAttrDb(*useCache) : nullptr)
, state(state)
, rootLoader(rootLoader)
{

4
src/libexpr/eval-cache.hh
View file

@ -4,6 +4,7 @@
#include "hash.hh"
#include "eval.hh"
#include <functional>
#include <variant>
namespace nix::eval_cache {
@ -26,8 +27,7 @@ class EvalCache : public std::enable_shared_from_this<EvalCache>
public:
EvalCache(
bool useCache,
const Hash & fingerprint,
std::optional<std::reference_wrapper<const Hash>> useCache,
EvalState & state,
RootLoader rootLoader);

2
src/libexpr/flake/flake.hh
View file

@ -106,6 +106,6 @@ void emitTreeAttrs(
EvalState & state,
const fetchers::Tree & tree,
const fetchers::Input & input,
Value & v);
Value & v, bool emptyRevFallback = false);
}

2
src/libexpr/get-drvs.cc
View file

@ -39,7 +39,7 @@ DrvInfo::DrvInfo(EvalState & state, ref<Store> store, const std::string & drvPat
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have output '%s'", store->printStorePath(drvPath), outputName);
outPath = store->printStorePath(i->second.path);
outPath = store->printStorePath(i->second.path(*store, drv.name));
}

39
src/libexpr/primops.cc
View file

@ -52,7 +52,7 @@ void EvalState::realiseContext(const PathSet & context)
DerivationOutputs::iterator i = drv.outputs.find(outputName);
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'", ctxS, outputName);
allowedPaths->insert(store->printStorePath(i->second.path));
allowedPaths->insert(store->printStorePath(i->second.path(*store, drv.name)));
}
}
}
@ -65,7 +65,7 @@ void EvalState::realiseContext(const PathSet & context)
/* For performance, prefetch all substitute info. */
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
@ -91,8 +91,17 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
Path realPath = state.checkSourcePath(state.toRealPath(path, context));
// FIXME
if (state.store->isStorePath(path) && state.store->isValidPath(state.store->parseStorePath(path)) && isDerivation(path)) {
Derivation drv = readDerivation(*state.store, realPath);
auto isValidDerivationInStore = [&]() -> std::optional<StorePath> {
if (!state.store->isStorePath(path))
return std::nullopt;
auto storePath = state.store->parseStorePath(path);
if (!(state.store->isValidPath(storePath) && isDerivation(path)))
return std::nullopt;
return storePath;
};
if (auto optStorePath = isValidDerivationInStore()) {
auto storePath = *optStorePath;
Derivation drv = readDerivation(*state.store, realPath, Derivation::nameFromPath(storePath));
Value & w = *state.allocValue();
state.mkAttrs(w, 3 + drv.outputs.size());
Value * v2 = state.allocAttr(w, state.sDrvPath);
@ -106,7 +115,7 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
for (const auto & o : drv.outputs) {
v2 = state.allocAttr(w, state.symbols.create(o.first));
mkString(*v2, state.store->printStorePath(o.second.path), {"!" + o.first + "!" + path});
mkString(*v2, state.store->printStorePath(o.second.path(*state.store, drv.name)), {"!" + o.first + "!" + path});
outputsVal->listElems()[outputs_index] = state.allocValue();
mkString(*(outputsVal->listElems()[outputs_index++]), o.first);
}
@ -570,6 +579,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
/* Build the derivation expression by processing the attributes. */
Derivation drv;
drv.name = drvName;
PathSet context;
@ -764,11 +774,12 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
auto outPath = state.store->makeFixedOutputPath(ingestionMethod, h, drvName);
if (!jsonObject) drv.env["out"] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign("out", DerivationOutput {
.path = std::move(outPath),
.output = DerivationOutputFixed {
.hash = FixedOutputHash {
.method = ingestionMethod,
.hash = std::move(h),
},
},
});
}
@ -783,8 +794,9 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
if (!jsonObject) drv.env[i] = "";
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = StorePath::dummy,
.hash = std::optional<FixedOutputHash> {},
},
});
}
@ -795,8 +807,9 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
if (!jsonObject) drv.env[i] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign(i,
DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(outPath),
.hash = std::optional<FixedOutputHash>(),
},
});
}
}
@ -817,7 +830,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
mkString(*state.allocAttr(v, state.sDrvPath), drvPathS, {"=" + drvPathS});
for (auto & i : drv.outputs) {
mkString(*state.allocAttr(v, state.symbols.create(i.first)),
state.store->printStorePath(i.second.path), {"!" + i.first + "!" + drvPathS});
state.store->printStorePath(i.second.path(*state.store, drv.name)), {"!" + i.first + "!" + drvPathS});
}
v.attrs->sort();
}
@ -1111,7 +1124,7 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
static void addPath(EvalState & state, const Pos & pos, const string & name, const Path & path_,
Value * filterFun, FileIngestionMethod method, const Hash & expectedHash, Value & v)
Value * filterFun, FileIngestionMethod method, const std::optional<Hash> expectedHash, Value & v)
{
const auto path = evalSettings.pureEval && expectedHash ?
path_ :
@ -1142,7 +1155,7 @@ static void addPath(EvalState & state, const Pos & pos, const string & name, con
std::optional<StorePath> expectedStorePath;
if (expectedHash)
expectedStorePath = state.store->makeFixedOutputPath(method, expectedHash, name);
expectedStorePath = state.store->makeFixedOutputPath(method, *expectedHash, name);
Path dstPath;
if (!expectedHash || !state.store->isValidPath(*expectedStorePath)) {
dstPath = state.store->printStorePath(settings.readOnlyMode
@ -1176,7 +1189,7 @@ static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args
.errPos = pos
});
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, Hash(), v);
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v);
}
static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v)
@ -1186,7 +1199,7 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
string name;
Value * filterFun = nullptr;
auto method = FileIngestionMethod::Recursive;
Hash expectedHash;
std::optional<Hash> expectedHash;
for (auto & attr : *args[0]->attrs) {
const string & n(attr.name);

91
src/libexpr/primops/fetchGit.cc
View file

@ -1,91 +0,0 @@
#include "primops.hh"
#include "eval-inline.hh"
#include "store-api.hh"
#include "hash.hh"
#include "fetchers.hh"
#include "url.hh"
namespace nix {
static void prim_fetchGit(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
std::string url;
std::optional<std::string> ref;
std::optional<Hash> rev;
std::string name = "source";
bool fetchSubmodules = false;
PathSet context;
state.forceValue(*args[0]);
if (args[0]->type == tAttrs) {
state.forceAttrs(*args[0], pos);
for (auto & attr : *args[0]->attrs) {
string n(attr.name);
if (n == "url")
url = state.coerceToString(*attr.pos, *attr.value, context, false, false);
else if (n == "ref")
ref = state.forceStringNoCtx(*attr.value, *attr.pos);
else if (n == "rev")
rev = Hash(state.forceStringNoCtx(*attr.value, *attr.pos), htSHA1);
else if (n == "name")
name = state.forceStringNoCtx(*attr.value, *attr.pos);
else if (n == "submodules")
fetchSubmodules = state.forceBool(*attr.value, *attr.pos);
else
throw EvalError({
.hint = hintfmt("unsupported argument '%s' to 'fetchGit'", attr.name),
.errPos = *attr.pos
});
}
if (url.empty())
throw EvalError({
.hint = hintfmt("'url' argument required"),
.errPos = pos
});
} else
url = state.coerceToString(pos, *args[0], context, false, false);
// FIXME: git externals probably can be used to bypass the URI
// whitelist. Ah well.
state.checkURI(url);
if (evalSettings.pureEval && !rev)
throw Error("in pure evaluation mode, 'fetchGit' requires a Git revision");
fetchers::Attrs attrs;
attrs.insert_or_assign("type", "git");
attrs.insert_or_assign("url", url.find("://") != std::string::npos ? url : "file://" + url);
if (ref) attrs.insert_or_assign("ref", *ref);
if (rev) attrs.insert_or_assign("rev", rev->gitRev());
if (fetchSubmodules) attrs.insert_or_assign("submodules", fetchers::Explicit<bool>{true});
auto input = fetchers::Input::fromAttrs(std::move(attrs));
// FIXME: use name?
auto [tree, input2] = input.fetch(state.store);
state.mkAttrs(v, 8);
auto storePath = state.store->printStorePath(tree.storePath);
mkString(*state.allocAttr(v, state.sOutPath), storePath, PathSet({storePath}));
// Backward compatibility: set 'rev' to
// 0000000000000000000000000000000000000000 for a dirty tree.
auto rev2 = input2.getRev().value_or(Hash(htSHA1));
mkString(*state.allocAttr(v, state.symbols.create("rev")), rev2.gitRev());
mkString(*state.allocAttr(v, state.symbols.create("shortRev")), rev2.gitShortRev());
// Backward compatibility: set 'revCount' to 0 for a dirty tree.
mkInt(*state.allocAttr(v, state.symbols.create("revCount")),
input2.getRevCount().value_or(0));
mkBool(*state.allocAttr(v, state.symbols.create("submodules")), fetchSubmodules);
v.attrs->sort();
if (state.allowedPaths)
state.allowedPaths->insert(tree.actualPath);
}
static RegisterPrimOp r("fetchGit", 1, prim_fetchGit);
}

77
src/libexpr/primops/fetchTree.cc
View file

@ -14,7 +14,8 @@ void emitTreeAttrs(
EvalState & state,
const fetchers::Tree & tree,
const fetchers::Input & input,
Value & v)
Value & v,
bool emptyRevFallback)
{
assert(input.isImmutable());
@ -34,10 +35,20 @@ void emitTreeAttrs(
if (auto rev = input.getRev()) {
mkString(*state.allocAttr(v, state.symbols.create("rev")), rev->gitRev());
mkString(*state.allocAttr(v, state.symbols.create("shortRev")), rev->gitShortRev());
} else if (emptyRevFallback) {
// Backwards compat for `builtins.fetchGit`: dirty repos return an empty sha1 as rev
auto emptyHash = Hash(htSHA1);
mkString(*state.allocAttr(v, state.symbols.create("rev")), emptyHash.gitRev());
mkString(*state.allocAttr(v, state.symbols.create("shortRev")), emptyHash.gitRev());
}
if (input.getType() == "git")
mkBool(*state.allocAttr(v, state.symbols.create("submodules")), maybeGetBoolAttr(input.attrs, "submodules").value_or(false));
if (auto revCount = input.getRevCount())
mkInt(*state.allocAttr(v, state.symbols.create("revCount")), *revCount);
else if (emptyRevFallback)
mkInt(*state.allocAttr(v, state.symbols.create("revCount")), 0);
if (auto lastModified = input.getLastModified()) {
mkInt(*state.allocAttr(v, state.symbols.create("lastModified")), *lastModified);
@ -48,10 +59,26 @@ void emitTreeAttrs(
v.attrs->sort();
}
static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v)
std::string fixURI(std::string uri, EvalState &state)
{
settings.requireExperimentalFeature("flakes");
state.checkURI(uri);
return uri.find("://") != std::string::npos ? uri : "file://" + uri;
}
void addURI(EvalState &state, fetchers::Attrs &attrs, Symbol name, std::string v)
{
string n(name);
attrs.emplace(name, n == "url" ? fixURI(v, state) : v);
}
static void fetchTree(
EvalState &state,
const Pos &pos,
Value **args,
Value &v,
const std::optional<std::string> type,
bool emptyRevFallback = false
) {
fetchers::Input input;
PathSet context;
@ -64,8 +91,15 @@ static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, V
for (auto & attr : *args[0]->attrs) {
state.forceValue(*attr.value);
if (attr.value->type == tString)
attrs.emplace(attr.name, attr.value->string.s);
if (attr.value->type == tPath || attr.value->type == tString)
addURI(
state,
attrs,
attr.name,
state.coerceToString(*attr.pos, *attr.value, context, false, false)
);
else if (attr.value->type == tString)
addURI(state, attrs, attr.name, attr.value->string.s);
else if (attr.value->type == tBool)
attrs.emplace(attr.name, fetchers::Explicit<bool>{attr.value->boolean});
else if (attr.value->type == tInt)
@ -75,6 +109,9 @@ static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, V
attr.name, showType(*attr.value));
}
if (type)
attrs.emplace("type", type.value());
if (!attrs.count("type"))
throw Error({
.hint = hintfmt("attribute 'type' is missing in call to 'fetchTree'"),
@ -82,8 +119,18 @@ static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, V
});
input = fetchers::Input::fromAttrs(std::move(attrs));
} else
input = fetchers::Input::fromURL(state.coerceToString(pos, *args[0], context, false, false));
} else {
auto url = fixURI(state.coerceToString(pos, *args[0], context, false, false), state);
if (type == "git") {
fetchers::Attrs attrs;
attrs.emplace("type", "git");
attrs.emplace("url", url);
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
input = fetchers::Input::fromURL(url);
}
}
if (!evalSettings.pureEval && !input.isDirect())
input = lookupInRegistries(state.store, input).first;
@ -96,7 +143,13 @@ static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, V
if (state.allowedPaths)
state.allowedPaths->insert(tree.actualPath);
emitTreeAttrs(state, tree, input2, v);
emitTreeAttrs(state, tree, input2, v, emptyRevFallback);
}
static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
settings.requireExperimentalFeature("flakes");
fetchTree(state, pos, args, v, std::nullopt);
}
static RegisterPrimOp r("fetchTree", 1, prim_fetchTree);
@ -159,7 +212,7 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
: hashFile(htSHA256, path);
if (hash != *expectedHash)
throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s",
*url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true));
*url, expectedHash->to_string(Base32, true), hash->to_string(Base32, true));
}
if (state.allowedPaths)
@ -178,7 +231,13 @@ static void prim_fetchTarball(EvalState & state, const Pos & pos, Value * * args
fetch(state, pos, args, v, "fetchTarball", true, "source");
}
static void prim_fetchGit(EvalState &state, const Pos &pos, Value **args, Value &v)
{
fetchTree(state, pos, args, v, "git", true);
}
static RegisterPrimOp r2("__fetchurl", 1, prim_fetchurl);
static RegisterPrimOp r3("fetchTarball", 1, prim_fetchTarball);
static RegisterPrimOp r4("fetchGit", 1, prim_fetchGit);
}

6
src/libfetchers/fetchers.cc
View file

@ -130,12 +130,12 @@ std::pair<Tree, Input> Input::fetch(ref<Store> store) const
tree.actualPath = store->toRealPath(tree.storePath);
auto narHash = store->queryPathInfo(tree.storePath)->narHash;
input.attrs.insert_or_assign("narHash", narHash.to_string(SRI, true));
input.attrs.insert_or_assign("narHash", narHash->to_string(SRI, true));
if (auto prevNarHash = getNarHash()) {
if (narHash != *prevNarHash)
throw Error("NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'",
to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash.to_string(SRI, true));
throw Error((unsigned int) 102, "NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'",
to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash->to_string(SRI, true));
}
if (auto prevLastModified = getLastModified()) {

6
src/libmain/shared.cc
View file

@ -36,7 +36,7 @@ void printGCWarning()
void printMissing(ref<Store> store, const std::vector<StorePathWithOutputs> & paths, Verbosity lvl)
{
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
printMissing(store, willBuild, willSubstitute, unknown, downloadSize, narSize, lvl);
@ -45,7 +45,7 @@ void printMissing(ref<Store> store, const std::vector<StorePathWithOutputs> & pa
void printMissing(ref<Store> store, const StorePathSet & willBuild,
const StorePathSet & willSubstitute, const StorePathSet & unknown,
unsigned long long downloadSize, unsigned long long narSize, Verbosity lvl)
uint64_t downloadSize, uint64_t narSize, Verbosity lvl)
{
if (!willBuild.empty()) {
if (willBuild.size() == 1)
@ -384,7 +384,7 @@ RunPager::~RunPager()
}
string showBytes(unsigned long long bytes)
string showBytes(uint64_t bytes)
{
return (format("%.2f MiB") % (bytes / (1024.0 * 1024.0))).str();
}

4
src/libmain/shared.hh
View file

@ -47,7 +47,7 @@ void printMissing(
void printMissing(ref<Store> store, const StorePathSet & willBuild,
const StorePathSet & willSubstitute, const StorePathSet & unknown,
unsigned long long downloadSize, unsigned long long narSize, Verbosity lvl = lvlInfo);
uint64_t downloadSize, uint64_t narSize, Verbosity lvl = lvlInfo);
string getArg(const string & opt,
Strings::iterator & i, const Strings::iterator & end);
@ -110,7 +110,7 @@ extern volatile ::sig_atomic_t blockInt;
/* GC helpers. */
string showBytes(unsigned long long bytes);
string showBytes(uint64_t bytes);
struct GCResults;

6
src/libstore/binary-cache-store.cc
View file

@ -178,7 +178,7 @@ void BinaryCacheStore::addToStore(const ValidPathInfo & info, Source & narSource
auto [fileHash, fileSize] = fileHashSink.finish();
narInfo->fileHash = fileHash;
narInfo->fileSize = fileSize;
narInfo->url = "nar/" + narInfo->fileHash.to_string(Base32, false) + ".nar"
narInfo->url = "nar/" + narInfo->fileHash->to_string(Base32, false) + ".nar"
+ (compression == "xz" ? ".xz" :
compression == "bzip2" ? ".bz2" :
compression == "br" ? ".br" :
@ -372,7 +372,7 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
method for very large paths, but `copyPath' is mainly used for
small files. */
StringSink sink;
Hash h;
std::optional<Hash> h;
if (method == FileIngestionMethod::Recursive) {
dumpPath(srcPath, sink, filter);
h = hashString(hashAlgo, *sink.s);
@ -382,7 +382,7 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
h = hashString(hashAlgo, s);
}
ValidPathInfo info(makeFixedOutputPath(method, h, name));
ValidPathInfo info(makeFixedOutputPath(method, *h, name));
auto source = StringSource { *sink.s };
addToStore(info, source, repair, CheckSigs);

137
src/libstore/build.cc
View file

@ -297,7 +297,7 @@ public:
GoalPtr makeDerivationGoal(const StorePath & drvPath, const StringSet & wantedOutputs, BuildMode buildMode = bmNormal);
std::shared_ptr<DerivationGoal> makeBasicDerivationGoal(const StorePath & drvPath,
const BasicDerivation & drv, BuildMode buildMode = bmNormal);
GoalPtr makeSubstitutionGoal(const StorePath & storePath, RepairFlag repair = NoRepair);
GoalPtr makeSubstitutionGoal(const StorePath & storePath, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
/* Remove a dead goal. */
void removeGoal(GoalPtr goal);
@ -1047,7 +1047,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation
{
this->drv = std::make_unique<BasicDerivation>(BasicDerivation(drv));
state = &DerivationGoal::haveDerivation;
name = fmt("building of %s", worker.store.showPaths(drv.outputPaths()));
name = fmt("building of %s", worker.store.showPaths(drv.outputPaths(worker.store)));
trace("created");
mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
@ -1182,7 +1182,7 @@ void DerivationGoal::haveDerivation()
retrySubstitution = false;
for (auto & i : drv->outputs)
worker.store.addTempRoot(i.second.path);
worker.store.addTempRoot(i.second.path(worker.store, drv->name));
/* Check what outputs paths are not already valid. */
auto invalidOutputs = checkPathValidity(false, buildMode == bmRepair);
@ -1206,7 +1206,7 @@ void DerivationGoal::haveDerivation()
them. */
if (settings.useSubstitutes && parsedDrv->substitutesAllowed())
for (auto & i : invalidOutputs)
addWaitee(worker.makeSubstitutionGoal(i, buildMode == bmRepair ? Repair : NoRepair));
addWaitee(worker.makeSubstitutionGoal(i, buildMode == bmRepair ? Repair : NoRepair, getDerivationCA(*drv)));
if (waitees.empty()) /* to prevent hang (no wake-up event) */
outputsSubstituted();
@ -1290,12 +1290,12 @@ void DerivationGoal::repairClosure()
StorePathSet outputClosure;
for (auto & i : drv->outputs) {
if (!wantOutput(i.first, wantedOutputs)) continue;
worker.store.computeFSClosure(i.second.path, outputClosure);
worker.store.computeFSClosure(i.second.path(worker.store, drv->name), outputClosure);
}
/* Filter out our own outputs (which we have already checked). */
for (auto & i : drv->outputs)
outputClosure.erase(i.second.path);
outputClosure.erase(i.second.path(worker.store, drv->name));
/* Get all dependencies of this derivation so that we know which
derivation is responsible for which path in the output
@ -1307,7 +1307,7 @@ void DerivationGoal::repairClosure()
if (i.isDerivation()) {
Derivation drv = worker.store.derivationFromPath(i);
for (auto & j : drv.outputs)
outputsToDrv.insert_or_assign(j.second.path, i);
outputsToDrv.insert_or_assign(j.second.path(worker.store, drv.name), i);
}
/* Check each path (slow!). */
@ -1379,7 +1379,7 @@ void DerivationGoal::inputsRealised()
for (auto & j : i.second) {
auto k = inDrv.outputs.find(j);
if (k != inDrv.outputs.end())
worker.store.computeFSClosure(k->second.path, inputPaths);
worker.store.computeFSClosure(k->second.path(worker.store, inDrv.name), inputPaths);
else
throw Error(
"derivation '%s' requires non-existent output '%s' from input derivation '%s'",
@ -1432,7 +1432,7 @@ void DerivationGoal::tryToBuild()
goal can start a build, and if not, the main loop will sleep a
few seconds and then retry this goal. */
PathSet lockFiles;
for (auto & outPath : drv->outputPaths())
for (auto & outPath : drv->outputPaths(worker.store))
lockFiles.insert(worker.store.Store::toRealPath(outPath));
if (!outputLocks.lockPaths(lockFiles, "", false)) {
@ -1460,16 +1460,16 @@ void DerivationGoal::tryToBuild()
return;
}
missingPaths = drv->outputPaths();
missingPaths = drv->outputPaths(worker.store);
if (buildMode != bmCheck)
for (auto & i : validPaths) missingPaths.erase(i);
/* If any of the outputs already exist but are not valid, delete
them. */
for (auto & i : drv->outputs) {
if (worker.store.isValidPath(i.second.path)) continue;
debug("removing invalid path '%s'", worker.store.printStorePath(i.second.path));
deletePath(worker.store.Store::toRealPath(i.second.path));
if (worker.store.isValidPath(i.second.path(worker.store, drv->name))) continue;
debug("removing invalid path '%s'", worker.store.printStorePath(i.second.path(worker.store, drv->name)));
deletePath(worker.store.Store::toRealPath(i.second.path(worker.store, drv->name)));
}
/* Don't do a remote build if the derivation has the attribute
@ -1646,13 +1646,13 @@ void DerivationGoal::buildDone()
So instead, check if the disk is (nearly) full now. If
so, we don't mark this build as a permanent failure. */
#if HAVE_STATVFS
unsigned long long required = 8ULL * 1024 * 1024; // FIXME: make configurable
uint64_t required = 8ULL * 1024 * 1024; // FIXME: make configurable
struct statvfs st;
if (statvfs(worker.store.realStoreDir.c_str(), &st) == 0 &&
(unsigned long long) st.f_bavail * st.f_bsize < required)
(uint64_t) st.f_bavail * st.f_bsize < required)
diskFull = true;
if (statvfs(tmpDir.c_str(), &st) == 0 &&
(unsigned long long) st.f_bavail * st.f_bsize < required)
(uint64_t) st.f_bavail * st.f_bsize < required)
diskFull = true;
#endif
@ -1692,7 +1692,7 @@ void DerivationGoal::buildDone()
fmt("running post-build-hook '%s'", settings.postBuildHook),
Logger::Fields{worker.store.printStorePath(drvPath)});
PushActivity pact(act.id);
auto outputPaths = drv->outputPaths();
auto outputPaths = drv->outputPaths(worker.store);
std::map<std::string, std::string> hookEnvironment = getEnv();
hookEnvironment.emplace("DRV_PATH", worker.store.printStorePath(drvPath));
@ -1920,7 +1920,7 @@ StorePathSet DerivationGoal::exportReferences(const StorePathSet & storePaths)
if (j.isDerivation()) {
Derivation drv = worker.store.derivationFromPath(j);
for (auto & k : drv.outputs)
worker.store.computeFSClosure(k.second.path, paths);
worker.store.computeFSClosure(k.second.path(worker.store, drv.name), paths);
}
}
@ -2015,7 +2015,7 @@ void DerivationGoal::startBuilder()
/* Substitute output placeholders with the actual output paths. */
for (auto & output : drv->outputs)
inputRewrites[hashPlaceholder(output.first)] = worker.store.printStorePath(output.second.path);
inputRewrites[hashPlaceholder(output.first)] = worker.store.printStorePath(output.second.path(worker.store, drv->name));
/* Construct the environment passed to the builder. */
initEnv();
@ -2200,7 +2200,7 @@ void DerivationGoal::startBuilder()
(typically the dependencies of /bin/sh). Throw them
out. */
for (auto & i : drv->outputs)
dirsInChroot.erase(worker.store.printStorePath(i.second.path));
dirsInChroot.erase(worker.store.printStorePath(i.second.path(worker.store, drv->name)));
#elif __APPLE__
/* We don't really have any parent prep work to do (yet?)
@ -2613,7 +2613,7 @@ void DerivationGoal::writeStructuredAttrs()
/* Add an "outputs" object containing the output paths. */
nlohmann::json outputs;
for (auto & i : drv->outputs)
outputs[i.first] = rewriteStrings(worker.store.printStorePath(i.second.path), inputRewrites);
outputs[i.first] = rewriteStrings(worker.store.printStorePath(i.second.path(worker.store, drv->name)), inputRewrites);
json["outputs"] = outputs;
/* Handle exportReferencesGraph. */
@ -2821,7 +2821,7 @@ struct RestrictedStore : public LocalFSStore
auto drv = derivationFromPath(path.path);
for (auto & output : drv.outputs)
if (wantOutput(output.first, path.outputs))
newPaths.insert(output.second.path);
newPaths.insert(output.second.path(*this, drv.name));
} else if (!goal.isAllowed(path.path))
throw InvalidPath("cannot build unknown path '%s' in recursive Nix", printStorePath(path.path));
}
@ -2855,7 +2855,7 @@ struct RestrictedStore : public LocalFSStore
void queryMissing(const std::vector<StorePathWithOutputs> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
unsigned long long & downloadSize, unsigned long long & narSize) override
uint64_t & downloadSize, uint64_t & narSize) override
{
/* This is slightly impure since it leaks information to the
client about what paths will be built/substituted or are
@ -3583,7 +3583,7 @@ StorePathSet parseReferenceSpecifiers(Store & store, const BasicDerivation & drv
if (store.isStorePath(i))
result.insert(store.parseStorePath(i));
else if (drv.outputs.count(i))
result.insert(drv.outputs.find(i)->second.path);
result.insert(drv.outputs.find(i)->second.path(store, drv.name));
else throw BuildError("derivation contains an illegal reference specifier '%s'", i);
}
return result;
@ -3621,7 +3621,7 @@ void DerivationGoal::registerOutputs()
if (hook) {
bool allValid = true;
for (auto & i : drv->outputs)
if (!worker.store.isValidPath(i.second.path)) allValid = false;
if (!worker.store.isValidPath(i.second.path(worker.store, drv->name))) allValid = false;
if (allValid) return;
}
@ -3642,23 +3642,23 @@ void DerivationGoal::registerOutputs()
Nix calls. */
StorePathSet referenceablePaths;
for (auto & p : inputPaths) referenceablePaths.insert(p);
for (auto & i : drv->outputs) referenceablePaths.insert(i.second.path);
for (auto & i : drv->outputs) referenceablePaths.insert(i.second.path(worker.store, drv->name));
for (auto & p : addedPaths) referenceablePaths.insert(p);
/* Check whether the output paths were created, and grep each
output path to determine what other paths it references. Also make all
output paths read-only. */
for (auto & i : drv->outputs) {
auto path = worker.store.printStorePath(i.second.path);
if (!missingPaths.count(i.second.path)) continue;
auto path = worker.store.printStorePath(i.second.path(worker.store, drv->name));
if (!missingPaths.count(i.second.path(worker.store, drv->name))) continue;
Path actualPath = path;
if (needsHashRewrite()) {
auto r = redirectedOutputs.find(i.second.path);
auto r = redirectedOutputs.find(i.second.path(worker.store, drv->name));
if (r != redirectedOutputs.end()) {
auto redirected = worker.store.Store::toRealPath(r->second);
if (buildMode == bmRepair
&& redirectedBadOutputs.count(i.second.path)
&& redirectedBadOutputs.count(i.second.path(worker.store, drv->name))
&& pathExists(redirected))
replaceValidPath(path, redirected);
if (buildMode == bmCheck)
@ -3727,7 +3727,9 @@ void DerivationGoal::registerOutputs()
if (fixedOutput) {
if (i.second.hash->method == FileIngestionMethod::Flat) {
FixedOutputHash outputHash = std::get<DerivationOutputFixed>(i.second.output).hash;
if (outputHash.method == FileIngestionMethod::Flat) {
/* The output path should be a regular file without execute permission. */
if (!S_ISREG(st.st_mode) || (st.st_mode & S_IXUSR) != 0)
throw BuildError(
@ -3738,13 +3740,13 @@ void DerivationGoal::registerOutputs()
/* Check the hash. In hash mode, move the path produced by
the derivation to its content-addressed location. */
Hash h2 = i.second.hash->method == FileIngestionMethod::Recursive
? hashPath(*i.second.hash->hash.type, actualPath).first
: hashFile(*i.second.hash->hash.type, actualPath);
Hash h2 = outputHash.method == FileIngestionMethod::Recursive
? hashPath(outputHash.hash.type, actualPath).first
: hashFile(outputHash.hash.type, actualPath);
auto dest = worker.store.makeFixedOutputPath(i.second.hash->method, h2, i.second.path.name());
auto dest = worker.store.makeFixedOutputPath(outputHash.method, h2, i.second.path(worker.store, drv->name).name());
if (i.second.hash->hash != h2) {
if (outputHash.hash != h2) {
/* Throw an error after registering the path as
valid. */
@ -3752,7 +3754,7 @@ void DerivationGoal::registerOutputs()
delayedException = std::make_exception_ptr(
BuildError("hash mismatch in fixed-output derivation '%s':\n wanted: %s\n got: %s",
worker.store.printStorePath(dest),
i.second.hash->hash.to_string(SRI, true),
outputHash.hash.to_string(SRI, true),
h2.to_string(SRI, true)));
Path actualDest = worker.store.Store::toRealPath(dest);
@ -3774,7 +3776,7 @@ void DerivationGoal::registerOutputs()
assert(worker.store.parseStorePath(path) == dest);
ca = FixedOutputHash {
.method = i.second.hash->method,
.method = outputHash.method,
.hash = h2,
};
}
@ -3789,8 +3791,10 @@ void DerivationGoal::registerOutputs()
time. The hash is stored in the database so that we can
verify later on whether nobody has messed with the store. */
debug("scanning for references inside '%1%'", path);
HashResult hash;
auto references = worker.store.parseStorePathSet(scanForReferences(actualPath, worker.store.printStorePathSet(referenceablePaths), hash));
// HashResult hash;
auto pathSetAndHash = scanForReferences(actualPath, worker.store.printStorePathSet(referenceablePaths));
auto references = worker.store.parseStorePathSet(pathSetAndHash.first);
HashResult hash = pathSetAndHash.second;
if (buildMode == bmCheck) {
if (!worker.store.isValidPath(worker.store.parseStorePath(path))) continue;
@ -3898,7 +3902,7 @@ void DerivationGoal::registerOutputs()
/* If this is the first round of several, then move the output out of the way. */
if (nrRounds > 1 && curRound == 1 && curRound < nrRounds && keepPreviousRound) {
for (auto & i : drv->outputs) {
auto path = worker.store.printStorePath(i.second.path);
auto path = worker.store.printStorePath(i.second.path(worker.store, drv->name));
Path prev = path + checkSuffix;
deletePath(prev);
Path dst = path + checkSuffix;
@ -3916,7 +3920,7 @@ void DerivationGoal::registerOutputs()
if the result was not determistic? */
if (curRound == nrRounds) {
for (auto & i : drv->outputs) {
Path prev = worker.store.printStorePath(i.second.path) + checkSuffix;
Path prev = worker.store.printStorePath(i.second.path(worker.store, drv->name)) + checkSuffix;
deletePath(prev);
}
}
@ -4217,9 +4221,9 @@ StorePathSet DerivationGoal::checkPathValidity(bool returnValid, bool checkHash)
for (auto & i : drv->outputs) {
if (!wantOutput(i.first, wantedOutputs)) continue;
bool good =
worker.store.isValidPath(i.second.path) &&
(!checkHash || worker.pathContentsGood(i.second.path));
if (good == returnValid) result.insert(i.second.path);
worker.store.isValidPath(i.second.path(worker.store, drv->name)) &&
(!checkHash || worker.pathContentsGood(i.second.path(worker.store, drv->name)));
if (good == returnValid) result.insert(i.second.path(worker.store, drv->name));
}
return result;
}
@ -4276,6 +4280,10 @@ private:
/* The store path that should be realised through a substitute. */
StorePath storePath;
/* The path the substituter refers to the path as. This will be
* different when the stores have different names. */
std::optional<StorePath> subPath;
/* The remaining substituters. */
std::list<ref<Store>> subs;
@ -4309,8 +4317,11 @@ private:
typedef void (SubstitutionGoal::*GoalState)();
GoalState state;
/* Content address for recomputing store path */
std::optional<ContentAddress> ca;
public:
SubstitutionGoal(const StorePath & storePath, Worker & worker, RepairFlag repair = NoRepair);
SubstitutionGoal(const StorePath & storePath, Worker & worker, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
~SubstitutionGoal();
void timedOut(Error && ex) override { abort(); };
@ -4340,10 +4351,11 @@ public:
};
SubstitutionGoal::SubstitutionGoal(const StorePath & storePath, Worker & worker, RepairFlag repair)
SubstitutionGoal::SubstitutionGoal(const StorePath & storePath, Worker & worker, RepairFlag repair, std::optional<ContentAddress> ca)
: Goal(worker)
, storePath(storePath)
, repair(repair)
, ca(ca)
{
state = &SubstitutionGoal::init;
name = fmt("substitution of '%s'", worker.store.printStorePath(this->storePath));
@ -4418,14 +4430,18 @@ void SubstitutionGoal::tryNext()
sub = subs.front();
subs.pop_front();
if (sub->storeDir != worker.store.storeDir) {
if (ca) {
subPath = sub->makeFixedOutputPathFromCA(storePath.name(), *ca);
if (sub->storeDir == worker.store.storeDir)
assert(subPath == storePath);
} else if (sub->storeDir != worker.store.storeDir) {
tryNext();
return;
}
try {
// FIXME: make async
info = sub->queryPathInfo(storePath);
info = sub->queryPathInfo(subPath ? *subPath : storePath);
} catch (InvalidPath &) {
tryNext();
return;
@ -4444,6 +4460,19 @@ void SubstitutionGoal::tryNext()
throw;
}
if (info->path != storePath) {
if (info->isContentAddressed(*sub) && info->references.empty()) {
auto info2 = std::make_shared<ValidPathInfo>(*info);
info2->path = storePath;
info = info2;
} else {
printError("asked '%s' for '%s' but got '%s'",
sub->getUri(), worker.store.printStorePath(storePath), sub->printStorePath(info->path));
tryNext();
return;
}
}
/* Update the total expected download size. */
auto narInfo = std::dynamic_pointer_cast<const NarInfo>(info);
@ -4533,7 +4562,7 @@ void SubstitutionGoal::tryToRun()
PushActivity pact(act.id);
copyStorePath(ref<Store>(sub), ref<Store>(worker.store.shared_from_this()),
storePath, repair, sub->isTrusted ? NoCheckSigs : CheckSigs);
subPath ? *subPath : storePath, repair, sub->isTrusted ? NoCheckSigs : CheckSigs);
promise.set_value();
} catch (...) {
@ -4666,11 +4695,11 @@ std::shared_ptr<DerivationGoal> Worker::makeBasicDerivationGoal(const StorePath
}
GoalPtr Worker::makeSubstitutionGoal(const StorePath & path, RepairFlag repair)
GoalPtr Worker::makeSubstitutionGoal(const StorePath & path, RepairFlag repair, std::optional<ContentAddress> ca)
{
GoalPtr goal = substitutionGoals[path].lock(); // FIXME
if (!goal) {
goal = std::make_shared<SubstitutionGoal>(path, *this, repair);
goal = std::make_shared<SubstitutionGoal>(path, *this, repair, ca);
substitutionGoals.insert_or_assign(path, goal);
wakeUp(goal);
}
@ -5012,7 +5041,7 @@ bool Worker::pathContentsGood(const StorePath & path)
if (!pathExists(store.printStorePath(path)))
res = false;
else {
HashResult current = hashPath(*info->narHash.type, store.printStorePath(path));
HashResult current = hashPath(info->narHash->type, store.printStorePath(path));
Hash nullHash(htSHA256);
res = info->narHash == nullHash || info->narHash == current.first;
}
@ -5038,7 +5067,7 @@ void Worker::markContentsGood(const StorePath & path)
static void primeCache(Store & store, const std::vector<StorePathWithOutputs> & paths)
{
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
store.queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
if (!willBuild.empty() && 0 == settings.maxBuildJobs && getMachines().empty())

17
src/libstore/builtins/fetchurl.cc
View file

@ -58,23 +58,6 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData)
}
};
/* We always have one output, and if it's a fixed-output derivation (as
checked below) it must be the only output */
auto & output = drv.outputs.begin()->second;
/* Try the hashed mirrors first. */
if (output.hash && output.hash->method == FileIngestionMethod::Flat)
for (auto hashedMirror : settings.hashedMirrors.get())
try {
if (!hasSuffix(hashedMirror, "/")) hashedMirror += '/';
auto & h = output.hash->hash;
fetch(hashedMirror + printHashType(*h.type) + "/" + h.to_string(Base16, false));
return;
} catch (Error & e) {
debug(e.what());
}
/* Otherwise try the specified URL. */
fetch(mainUrl);
}

4
src/libstore/content-address.cc
View file

@ -3,7 +3,7 @@
namespace nix {
std::string FixedOutputHash::printMethodAlgo() const {
return makeFileIngestionPrefix(method) + printHashType(*hash.type);
return makeFileIngestionPrefix(method) + printHashType(hash.type);
}
std::string makeFileIngestionPrefix(const FileIngestionMethod m) {
@ -46,7 +46,7 @@ ContentAddress parseContentAddress(std::string_view rawCa) {
if (prefix == "text") {
auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos);
Hash hash = Hash(string(hashTypeAndHash));
if (*hash.type != htSHA256) {
if (hash.type != htSHA256) {
throw Error("parseContentAddress: the text hash should have type SHA256");
}
return TextHash { hash };

82
src/libstore/daemon.cc
View file

@ -289,7 +289,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
logger->startWork();
auto hash = store->queryPathInfo(path)->narHash;
logger->stopWork();
to << hash.to_string(Base16, false);
to << hash->to_string(Base16, false);
break;
}
@ -451,7 +451,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case wopBuildDerivation: {
auto drvPath = store->parseStorePath(readString(from));
BasicDerivation drv;
readDerivation(from, *store, drv);
readDerivation(from, *store, drv, Derivation::nameFromPath(drvPath));
BuildMode buildMode = (BuildMode) readInt(from);
logger->startWork();
if (!trusted)
@ -579,7 +579,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto path = store->parseStorePath(readString(from));
logger->startWork();
SubstitutablePathInfos infos;
store->querySubstitutablePathInfos({path}, infos);
store->querySubstitutablePathInfos({{path, std::nullopt}}, infos);
logger->stopWork();
auto i = infos.find(path);
if (i == infos.end())
@ -595,10 +595,16 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopQuerySubstitutablePathInfos: {
auto paths = readStorePaths<StorePathSet>(*store, from);
logger->startWork();
SubstitutablePathInfos infos;
store->querySubstitutablePathInfos(paths, infos);
StorePathCAMap pathsMap = {};
if (GET_PROTOCOL_MINOR(clientVersion) < 22) {
auto paths = readStorePaths<StorePathSet>(*store, from);
for (auto & path : paths)
pathsMap.emplace(path, std::nullopt);
} else
pathsMap = readStorePathCAMap(*store, from);
logger->startWork();
store->querySubstitutablePathInfos(pathsMap, infos);
logger->stopWork();
to << infos.size();
for (auto & i : infos) {
@ -632,7 +638,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) >= 17)
to << 1;
to << (info->deriver ? store->printStorePath(*info->deriver) : "")
<< info->narHash.to_string(Base16, false);
<< info->narHash->to_string(Base16, false);
writeStorePaths(*store, to, info->references);
to << info->registrationTime << info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 16) {
@ -703,6 +709,64 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (!trusted)
info.ultimate = false;
if (GET_PROTOCOL_MINOR(clientVersion) >= 23) {
struct FramedSource : Source
{
Source & from;
bool eof = false;
std::vector<unsigned char> pending;
size_t pos = 0;
FramedSource(Source & from) : from(from)
{ }
~FramedSource()
{
if (!eof) {
while (true) {
auto n = readInt(from);
if (!n) break;
std::vector<unsigned char> data(n);
from(data.data(), n);
}
}
}
size_t read(unsigned char * data, size_t len) override
{
if (eof) throw EndOfFile("reached end of FramedSource");
if (pos >= pending.size()) {
size_t len = readInt(from);
if (!len) {
eof = true;
return 0;
}
pending = std::vector<unsigned char>(len);
pos = 0;
from(pending.data(), len);
}
auto n = std::min(len, pending.size() - pos);
memcpy(data, pending.data() + pos, n);
pos += n;
return n;
}
};
logger->startWork();
{
FramedSource source(from);
store->addToStore(info, source, (RepairFlag) repair,
dontCheckSigs ? NoCheckSigs : CheckSigs);
}
logger->stopWork();
}
else {
std::unique_ptr<Source> source;
if (GET_PROTOCOL_MINOR(clientVersion) >= 21)
source = std::make_unique<TunnelSource>(from, to);
@ -721,6 +785,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
dontCheckSigs ? NoCheckSigs : CheckSigs);
logger->stopWork();
}
break;
}
@ -730,7 +796,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
targets.push_back(store->parsePathWithOutputs(s));
logger->startWork();
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
store->queryMissing(targets, willBuild, willSubstitute, unknown, downloadSize, narSize);
logger->stopWork();
writeStorePaths(*store, to, willBuild);

103
src/libstore/derivations.cc
View file

@ -7,6 +7,22 @@
namespace nix {
// FIXME Put this somewhere?
template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
template<class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
StorePath DerivationOutput::path(const Store & store, std::string_view drvName) const
{
return std::visit(overloaded {
[](DerivationOutputInputAddressed doi) {
return doi.path;
},
[&](DerivationOutputFixed dof) {
return store.makeFixedOutputPath(dof.hash.method, dof.hash.hash, drvName);
}
}, output);
}
bool BasicDerivation::isBuiltin() const
{
@ -99,7 +115,6 @@ static DerivationOutput parseDerivationOutput(const Store & store, std::istrings
expect(str, ","); const auto hash = parseString(str);
expect(str, ")");
std::optional<FixedOutputHash> fsh;
if (hashAlgo != "") {
auto method = FileIngestionMethod::Flat;
if (string(hashAlgo, 0, 2) == "r:") {
@ -107,22 +122,29 @@ static DerivationOutput parseDerivationOutput(const Store & store, std::istrings
hashAlgo = string(hashAlgo, 2);
}
const HashType hashType = parseHashType(hashAlgo);
fsh = FixedOutputHash {
.method = std::move(method),
.hash = Hash(hash, hashType),
};
}
return DerivationOutput {
.output = DerivationOutputFixed {
.hash = FixedOutputHash {
.method = std::move(method),
.hash = Hash(hash, hashType),
},
}
};
} else
return DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(path),
.hash = std::move(fsh),
}
};
}
static Derivation parseDerivation(const Store & store, std::string && s)
static Derivation parseDerivation(const Store & store, std::string && s, std::string_view name)
{
Derivation drv;
drv.name = name;
std::istringstream str(std::move(s));
expect(str, "Derive([");
@ -166,10 +188,10 @@ static Derivation parseDerivation(const Store & store, std::string && s)
}
Derivation readDerivation(const Store & store, const Path & drvPath)
Derivation readDerivation(const Store & store, const Path & drvPath, std::string_view name)
{
try {
return parseDerivation(store, readFile(drvPath));
return parseDerivation(store, readFile(drvPath), name);
} catch (FormatError & e) {
throw Error("error parsing derivation '%1%': %2%", drvPath, e.msg());
}
@ -187,7 +209,7 @@ Derivation Store::readDerivation(const StorePath & drvPath)
{
auto accessor = getFSAccessor();
try {
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)));
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)), Derivation::nameFromPath(drvPath));
} catch (FormatError & e) {
throw Error("error parsing derivation '%s': %s", printStorePath(drvPath), e.msg());
}
@ -255,10 +277,14 @@ string Derivation::unparse(const Store & store, bool maskOutputs,
for (auto & i : outputs) {
if (first) first = false; else s += ',';
s += '('; printUnquotedString(s, i.first);
s += ','; printUnquotedString(s, maskOutputs ? "" : store.printStorePath(i.second.path));
s += ','; printUnquotedString(s, i.second.hash ? i.second.hash->printMethodAlgo() : "");
s += ','; printUnquotedString(s,
i.second.hash ? i.second.hash->hash.to_string(Base16, false) : "");
s += ','; printUnquotedString(s, maskOutputs ? "" : store.printStorePath(i.second.path(store, name)));
if (auto hash = std::get_if<DerivationOutputFixed>(&i.second.output)) {
s += ','; printUnquotedString(s, hash->hash.printMethodAlgo());
s += ','; printUnquotedString(s, hash->hash.hash.to_string(Base16, false));
} else {
s += ','; printUnquotedString(s, "");
s += ','; printUnquotedString(s, "");
}
s += ')';
}
@ -314,7 +340,7 @@ bool BasicDerivation::isFixedOutput() const
{
return outputs.size() == 1 &&
outputs.begin()->first == "out" &&
outputs.begin()->second.hash;
std::holds_alternative<DerivationOutputFixed>(outputs.begin()->second.output);
}
@ -346,10 +372,11 @@ Hash hashDerivationModulo(Store & store, const Derivation & drv, bool maskOutput
/* Return a fixed hash for fixed-output derivations. */
if (drv.isFixedOutput()) {
DerivationOutputs::const_iterator i = drv.outputs.begin();
auto hash = std::get<DerivationOutputFixed>(i->second.output);
return hashString(htSHA256, "fixed:out:"
+ i->second.hash->printMethodAlgo() + ":"
+ i->second.hash->hash.to_string(Base16, false) + ":"
+ store.printStorePath(i->second.path));
+ hash.hash.printMethodAlgo() + ":"
+ hash.hash.hash.to_string(Base16, false) + ":"
+ store.printStorePath(i->second.path(store, drv.name)));
}
/* For other derivations, replace the inputs paths with recursive
@ -383,11 +410,11 @@ bool wantOutput(const string & output, const std::set<string> & wanted)
}
StorePathSet BasicDerivation::outputPaths() const
StorePathSet BasicDerivation::outputPaths(const Store & store) const
{
StorePathSet paths;
for (auto & i : outputs)
paths.insert(i.second.path);
paths.insert(i.second.path(store, name));
return paths;
}
@ -397,7 +424,6 @@ static DerivationOutput readDerivationOutput(Source & in, const Store & store)
auto hashAlgo = readString(in);
auto hash = readString(in);
std::optional<FixedOutputHash> fsh;
if (hashAlgo != "") {
auto method = FileIngestionMethod::Flat;
if (string(hashAlgo, 0, 2) == "r:") {
@ -405,15 +431,19 @@ static DerivationOutput readDerivationOutput(Source & in, const Store & store)
hashAlgo = string(hashAlgo, 2);
}
auto hashType = parseHashType(hashAlgo);
fsh = FixedOutputHash {
return DerivationOutput {
.output = DerivationOutputFixed {
.hash = FixedOutputHash {
.method = std::move(method),
.hash = Hash(hash, hashType),
};
},
}
};
} else
return DerivationOutput {
.output = DerivationOutputInputAddressed {
.path = std::move(path),
.hash = std::move(fsh),
}
};
}
@ -426,8 +456,19 @@ StringSet BasicDerivation::outputNames() const
}
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv)
std::string_view BasicDerivation::nameFromPath(const StorePath & drvPath) {
auto nameWithSuffix = drvPath.name();
constexpr std::string_view extension = ".drv";
assert(hasSuffix(nameWithSuffix, extension));
nameWithSuffix.remove_suffix(extension.size());
return nameWithSuffix;
}
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv, std::string_view name)
{
drv.name = name;
drv.outputs.clear();
auto nr = readNum<size_t>(in);
for (size_t n = 0; n < nr; n++) {
@ -456,10 +497,10 @@ void writeDerivation(Sink & out, const Store & store, const BasicDerivation & dr
out << drv.outputs.size();
for (auto & i : drv.outputs) {
out << i.first
<< store.printStorePath(i.second.path);
if (i.second.hash) {
out << i.second.hash->printMethodAlgo()
<< i.second.hash->hash.to_string(Base16, false);
<< store.printStorePath(i.second.path(store, drv.name));
if (auto hash = std::get_if<DerivationOutputFixed>(&i.second.output)) {
out << hash->hash.printMethodAlgo()
<< hash->hash.hash.to_string(Base16, false);
} else {
out << "" << "";
}

23
src/libstore/derivations.hh
View file

@ -13,10 +13,20 @@ namespace nix {
/* Abstract syntax of derivations. */
struct DerivationOutput
struct DerivationOutputInputAddressed
{
StorePath path;
std::optional<FixedOutputHash> hash; /* hash used for expected hash computation */
};
struct DerivationOutputFixed
{
FixedOutputHash hash; /* hash used for expected hash computation */
};
struct DerivationOutput
{
std::variant<DerivationOutputInputAddressed, DerivationOutputFixed> output;
StorePath path(const Store & store, std::string_view drvName) const;
};
typedef std::map<string, DerivationOutput> DerivationOutputs;
@ -35,6 +45,7 @@ struct BasicDerivation
Path builder;
Strings args;
StringPairs env;
std::string name;
BasicDerivation() { }
virtual ~BasicDerivation() { };
@ -45,10 +56,12 @@ struct BasicDerivation
bool isFixedOutput() const;
/* Return the output paths of a derivation. */
StorePathSet outputPaths() const;
StorePathSet outputPaths(const Store & store) const;
/* Return the output names of a derivation. */
StringSet outputNames() const;
static std::string_view nameFromPath(const StorePath & storePath);
};
struct Derivation : BasicDerivation
@ -72,7 +85,7 @@ StorePath writeDerivation(ref<Store> store,
const Derivation & drv, std::string_view name, RepairFlag repair = NoRepair);
/* Read a derivation from a file. */
Derivation readDerivation(const Store & store, const Path & drvPath);
Derivation readDerivation(const Store & store, const Path & drvPath, std::string_view name);
// FIXME: remove
bool isDerivation(const string & fileName);
@ -89,7 +102,7 @@ bool wantOutput(const string & output, const std::set<string> & wanted);
struct Source;
struct Sink;
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv);
Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv, std::string_view name);
void writeDerivation(Sink & out, const Store & store, const BasicDerivation & drv);
std::string hashPlaceholder(const std::string & outputName);

4
src/libstore/export-import.cc
View file

@ -38,9 +38,9 @@ void Store::exportPath(const StorePath & path, Sink & sink)
filesystem corruption from spreading to other machines.
Don't complain if the stored hash is zero (unknown). */
Hash hash = hashSink.currentHash().first;
if (hash != info->narHash && info->narHash != Hash(*info->narHash.type))
if (hash != info->narHash && info->narHash != Hash(info->narHash->type))
throw Error("hash of path '%s' has changed from '%s' to '%s'!",
printStorePath(path), info->narHash.to_string(Base32, true), hash.to_string(Base32, true));
printStorePath(path), info->narHash->to_string(Base32, true), hash.to_string(Base32, true));
teeSink
<< exportMagic

14
src/libstore/gc.cc
View file

@ -500,7 +500,7 @@ struct LocalStore::GCState
StorePathSet alive;
bool gcKeepOutputs;
bool gcKeepDerivations;
unsigned long long bytesInvalidated;
uint64_t bytesInvalidated;
bool moveToTrash = true;
bool shouldDelete;
GCState(const GCOptions & options, GCResults & results)
@ -518,7 +518,7 @@ bool LocalStore::isActiveTempFile(const GCState & state,
void LocalStore::deleteGarbage(GCState & state, const Path & path)
{
unsigned long long bytesFreed;
uint64_t bytesFreed;
deletePath(path, bytesFreed);
state.results.bytesFreed += bytesFreed;
}
@ -528,7 +528,7 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
{
checkInterrupt();
unsigned long long size = 0;
uint64_t size = 0;
auto storePath = maybeParseStorePath(path);
if (storePath && isValidPath(*storePath)) {
@ -687,7 +687,7 @@ void LocalStore::removeUnusedLinks(const GCState & state)
AutoCloseDir dir(opendir(linksDir.c_str()));
if (!dir) throw SysError("opening directory '%1%'", linksDir);
long long actualSize = 0, unsharedSize = 0;
int64_t actualSize = 0, unsharedSize = 0;
struct dirent * dirent;
while (errno = 0, dirent = readdir(dir.get())) {
@ -717,10 +717,10 @@ void LocalStore::removeUnusedLinks(const GCState & state)
struct stat st;
if (stat(linksDir.c_str(), &st) == -1)
throw SysError("statting '%1%'", linksDir);
long long overhead = st.st_blocks * 512ULL;
auto overhead = st.st_blocks * 512ULL;
printInfo(format("note: currently hard linking saves %.2f MiB")
% ((unsharedSize - actualSize - overhead) / (1024.0 * 1024.0)));
printInfo("note: currently hard linking saves %.2f MiB",
((unsharedSize - actualSize - overhead) / (1024.0 * 1024.0)));
}

3
src/libstore/globals.hh
View file

@ -335,9 +335,6 @@ public:
"setuid/setgid bits or with file capabilities."};
#endif
Setting<Strings> hashedMirrors{this, {"http://tarballs.nixos.org/"}, "hashed-mirrors",
"A list of servers used by builtins.fetchurl to fetch files by hash."};
Setting<uint64_t> minFree{this, 0, "min-free",
"Automatically run the garbage collector when free disk space drops below the specified amount."};

4
src/libstore/legacy-ssh-store.cc
View file

@ -113,7 +113,7 @@ struct LegacySSHStore : public Store
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4) {
auto s = readString(conn->from);
info->narHash = s.empty() ? Hash() : Hash(s);
info->narHash = s.empty() ? std::optional<Hash>{} : Hash{s};
info->ca = parseContentAddressOpt(readString(conn->from));
info->sigs = readStrings<StringSet>(conn->from);
}
@ -138,7 +138,7 @@ struct LegacySSHStore : public Store
<< cmdAddToStoreNar
<< printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false);
<< info.narHash->to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references);
conn->to
<< info.registrationTime

51
src/libstore/local-store.cc
View file

@ -560,19 +560,12 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
DerivationOutputs::const_iterator out = drv.outputs.find("out");
if (out == drv.outputs.end())
throw Error("derivation '%s' does not have an output named 'out'", printStorePath(drvPath));
check(
makeFixedOutputPath(
out->second.hash->method,
out->second.hash->hash,
drvName),
out->second.path, "out");
}
else {
Hash h = hashDerivationModulo(*this, drv, true);
for (auto & i : drv.outputs)
check(makeOutputPath(i.first, h, drvName), i.second.path, i.first);
check(makeOutputPath(i.first, h, drvName), i.second.path(*this, drv.name), i.first);
}
}
@ -586,7 +579,7 @@ uint64_t LocalStore::addValidPath(State & state,
state.stmtRegisterValidPath.use()
(printStorePath(info.path))
(info.narHash.to_string(Base16, true))
(info.narHash->to_string(Base16, true))
(info.registrationTime == 0 ? time(0) : info.registrationTime)
(info.deriver ? printStorePath(*info.deriver) : "", (bool) info.deriver)
(info.narSize, info.narSize != 0)
@ -614,7 +607,7 @@ uint64_t LocalStore::addValidPath(State & state,
state.stmtAddDerivationOutput.use()
(id)
(i.first)
(printStorePath(i.second.path))
(printStorePath(i.second.path(*this, drv.name)))
.exec();
}
}
@ -686,7 +679,7 @@ void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
{
state.stmtUpdatePathInfo.use()
(info.narSize, info.narSize != 0)
(info.narHash.to_string(Base16, true))
(info.narHash->to_string(Base16, true))
(info.ultimate ? 1 : 0, info.ultimate)
(concatStringsSep(" ", info.sigs), !info.sigs.empty())
(renderContentAddress(info.ca), (bool) info.ca)
@ -850,20 +843,32 @@ StorePathSet LocalStore::querySubstitutablePaths(const StorePathSet & paths)
}
void LocalStore::querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos)
void LocalStore::querySubstitutablePathInfos(const StorePathCAMap & paths, SubstitutablePathInfos & infos)
{
if (!settings.useSubstitutes) return;
for (auto & sub : getDefaultSubstituters()) {
if (sub->storeDir != storeDir) continue;
for (auto & path : paths) {
if (infos.count(path)) continue;
debug("checking substituter '%s' for path '%s'", sub->getUri(), printStorePath(path));
auto subPath(path.first);
// recompute store path so that we can use a different store root
if (path.second) {
subPath = makeFixedOutputPathFromCA(path.first.name(), *path.second);
if (sub->storeDir == storeDir)
assert(subPath == path.first);
if (subPath != path.first)
debug("replaced path '%s' with '%s' for substituter '%s'", printStorePath(path.first), sub->printStorePath(subPath), sub->getUri());
} else if (sub->storeDir != storeDir) continue;
debug("checking substituter '%s' for path '%s'", sub->getUri(), sub->printStorePath(subPath));
try {
auto info = sub->queryPathInfo(path);
auto info = sub->queryPathInfo(subPath);
if (sub->storeDir != storeDir && !(info->isContentAddressed(*sub) && info->references.empty()))
continue;
auto narInfo = std::dynamic_pointer_cast<const NarInfo>(
std::shared_ptr<const ValidPathInfo>(info));
infos.insert_or_assign(path, SubstitutablePathInfo{
infos.insert_or_assign(path.first, SubstitutablePathInfo{
info->deriver,
info->references,
narInfo ? narInfo->fileSize : 0,
@ -904,7 +909,7 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
StorePathSet paths;
for (auto & i : infos) {
assert(i.narHash.type == htSHA256);
assert(i.narHash && i.narHash->type == htSHA256);
if (isValidPath_(*state, i.path))
updatePathInfo(*state, i);
else
@ -1017,7 +1022,7 @@ void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
if (hashResult.first != info.narHash)
throw Error("hash mismatch importing path '%s';\n wanted: %s\n got: %s",
printStorePath(info.path), info.narHash.to_string(Base32, true), hashResult.first.to_string(Base32, true));
printStorePath(info.path), info.narHash->to_string(Base32, true), hashResult.first.to_string(Base32, true));
if (hashResult.second != info.narSize)
throw Error("size mismatch importing path '%s';\n wanted: %s\n got: %s",
@ -1313,9 +1318,9 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca || !info->references.count(info->path))
hashSink = std::make_unique<HashSink>(*info->narHash.type);
hashSink = std::make_unique<HashSink>(info->narHash->type);
else
hashSink = std::make_unique<HashModuloSink>(*info->narHash.type, std::string(info->path.hashPart()));
hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart()));
dumpPath(Store::toRealPath(i), *hashSink);
auto current = hashSink->finish();
@ -1324,7 +1329,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
logError({
.name = "Invalid hash - path modified",
.hint = hintfmt("path '%s' was modified! expected hash '%s', got '%s'",
printStorePath(i), info->narHash.to_string(Base32, true), current.first.to_string(Base32, true))
printStorePath(i), info->narHash->to_string(Base32, true), current.first.to_string(Base32, true))
});
if (repair) repairPath(i); else errors = true;
} else {

6
src/libstore/local-store.hh
View file

@ -29,8 +29,8 @@ struct Derivation;
struct OptimiseStats
{
unsigned long filesLinked = 0;
unsigned long long bytesFreed = 0;
unsigned long long blocksFreed = 0;
uint64_t bytesFreed = 0;
uint64_t blocksFreed = 0;
};
@ -139,7 +139,7 @@ public:
StorePathSet querySubstitutablePaths(const StorePathSet & paths) override;
void querySubstitutablePathInfos(const StorePathSet & paths,
void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) override;
void addToStore(const ValidPathInfo & info, Source & source,

24
src/libstore/misc.cc
View file

@ -108,9 +108,19 @@ void Store::computeFSClosure(const StorePath & startPath,
}
std::optional<ContentAddress> getDerivationCA(const BasicDerivation & drv)
{
auto out = drv.outputs.find("out");
if (out != drv.outputs.end()) {
if (auto v = std::get_if<DerivationOutputFixed>(&out->second.output))
return v->hash;
}
return std::nullopt;
}
void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
StorePathSet & willBuild_, StorePathSet & willSubstitute_, StorePathSet & unknown_,
unsigned long long & downloadSize_, unsigned long long & narSize_)
uint64_t & downloadSize_, uint64_t & narSize_)
{
Activity act(*logger, lvlDebug, actUnknown, "querying info about missing paths");
@ -122,8 +132,8 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
{
std::unordered_set<std::string> done;
StorePathSet & unknown, & willSubstitute, & willBuild;
unsigned long long & downloadSize;
unsigned long long & narSize;
uint64_t & downloadSize;
uint64_t & narSize;
};
struct DrvState
@ -157,7 +167,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
auto outPath = parseStorePath(outPathS);
SubstitutablePathInfos infos;
querySubstitutablePathInfos({outPath}, infos);
querySubstitutablePathInfos({{outPath, getDerivationCA(*drv)}}, infos);
if (infos.empty()) {
drvState_->lock()->done = true;
@ -198,8 +208,8 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
PathSet invalid;
for (auto & j : drv->outputs)
if (wantOutput(j.first, path.outputs)
&& !isValidPath(j.second.path))
invalid.insert(printStorePath(j.second.path));
&& !isValidPath(j.second.path(*this, drv->name)))
invalid.insert(printStorePath(j.second.path(*this, drv->name)));
if (invalid.empty()) return;
if (settings.useSubstitutes && parsedDrv.substitutesAllowed()) {
@ -214,7 +224,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
if (isValidPath(path.path)) return;
SubstitutablePathInfos infos;
querySubstitutablePathInfos({path.path}, infos);
querySubstitutablePathInfos({{path.path, std::nullopt}}, infos);
if (infos.empty()) {
auto state(state_.lock());

4
src/libstore/nar-accessor.cc
View file

@ -79,14 +79,14 @@ struct NarAccessor : public FSAccessor
parents.top()->isExecutable = true;
}
void preallocateContents(unsigned long long size) override
void preallocateContents(uint64_t size) override
{
assert(size <= std::numeric_limits<uint64_t>::max());
parents.top()->size = (uint64_t) size;
parents.top()->start = pos;
}
void receiveContents(unsigned char * data, unsigned int len) override
void receiveContents(unsigned char * data, size_t len) override
{ }
void createSymlink(const Path & path, const string & target) override

4
src/libstore/nar-info-disk-cache.cc
View file

@ -230,9 +230,9 @@ public:
(std::string(info->path.name()))
(narInfo ? narInfo->url : "", narInfo != 0)
(narInfo ? narInfo->compression : "", narInfo != 0)
(narInfo && narInfo->fileHash ? narInfo->fileHash.to_string(Base32, true) : "", narInfo && narInfo->fileHash)
(narInfo && narInfo->fileHash ? narInfo->fileHash->to_string(Base32, true) : "", narInfo && narInfo->fileHash)
(narInfo ? narInfo->fileSize : 0, narInfo != 0 && narInfo->fileSize)
(info->narHash.to_string(Base32, true))
(info->narHash->to_string(Base32, true))
(info->narSize)
(concatStringsSep(" ", info->shortRefs()))
(info->deriver ? std::string(info->deriver->to_string()) : "", (bool) info->deriver)

27
src/libstore/nar-info.cc
View file

@ -7,15 +7,14 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
: ValidPathInfo(StorePath(StorePath::dummy)) // FIXME: hack
{
auto corrupt = [&]() {
throw Error("NAR info file '%1%' is corrupt", whence);
return Error("NAR info file '%1%' is corrupt", whence);
};
auto parseHashField = [&](const string & s) {
try {
return Hash(s);
} catch (BadHash &) {
corrupt();
return Hash(); // never reached
throw corrupt();
}
};
@ -25,12 +24,12 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
while (pos < s.size()) {
size_t colon = s.find(':', pos);
if (colon == std::string::npos) corrupt();
if (colon == std::string::npos) throw corrupt();
std::string name(s, pos, colon - pos);
size_t eol = s.find('\n', colon + 2);
if (eol == std::string::npos) corrupt();
if (eol == std::string::npos) throw corrupt();
std::string value(s, colon + 2, eol - colon - 2);
@ -45,16 +44,16 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "FileHash")
fileHash = parseHashField(value);
else if (name == "FileSize") {
if (!string2Int(value, fileSize)) corrupt();
if (!string2Int(value, fileSize)) throw corrupt();
}
else if (name == "NarHash")
narHash = parseHashField(value);
else if (name == "NarSize") {
if (!string2Int(value, narSize)) corrupt();
if (!string2Int(value, narSize)) throw corrupt();
}
else if (name == "References") {
auto refs = tokenizeString<Strings>(value, " ");
if (!references.empty()) corrupt();
if (!references.empty()) throw corrupt();
for (auto & r : refs)
references.insert(StorePath(r));
}
@ -67,7 +66,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "Sig")
sigs.insert(value);
else if (name == "CA") {
if (ca) corrupt();
if (ca) throw corrupt();
// FIXME: allow blank ca or require skipping field?
ca = parseContentAddressOpt(value);
}
@ -77,7 +76,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
if (compression == "") compression = "bzip2";
if (!havePath || url.empty() || narSize == 0 || !narHash) corrupt();
if (!havePath || url.empty() || narSize == 0 || !narHash) throw corrupt();
}
std::string NarInfo::to_string(const Store & store) const
@ -87,11 +86,11 @@ std::string NarInfo::to_string(const Store & store) const
res += "URL: " + url + "\n";
assert(compression != "");
res += "Compression: " + compression + "\n";
assert(fileHash.type == htSHA256);
res += "FileHash: " + fileHash.to_string(Base32, true) + "\n";
assert(fileHash && fileHash->type == htSHA256);
res += "FileHash: " + fileHash->to_string(Base32, true) + "\n";
res += "FileSize: " + std::to_string(fileSize) + "\n";
assert(narHash.type == htSHA256);
res += "NarHash: " + narHash.to_string(Base32, true) + "\n";
assert(narHash && narHash->type == htSHA256);
res += "NarHash: " + narHash->to_string(Base32, true) + "\n";
res += "NarSize: " + std::to_string(narSize) + "\n";
res += "References: " + concatStringsSep(" ", shortRefs()) + "\n";

2
src/libstore/nar-info.hh
View file

@ -10,7 +10,7 @@ struct NarInfo : ValidPathInfo
{
std::string url;
std::string compression;
Hash fileHash;
std::optional<Hash> fileHash;
uint64_t fileSize = 0;
std::string system;

2
src/libstore/optimise-store.cc
View file

@ -282,7 +282,7 @@ void LocalStore::optimiseStore(OptimiseStats & stats)
}
}
static string showBytes(unsigned long long bytes)
static string showBytes(uint64_t bytes)
{
return (format("%.2f MiB") % (bytes / (1024.0 * 1024.0))).str();
}

2
src/libstore/path.hh
View file

@ -64,6 +64,8 @@ typedef std::set<StorePath> StorePathSet;
typedef std::vector<StorePath> StorePaths;
typedef std::map<string, StorePath> OutputPathMap;
typedef std::map<StorePath, std::optional<ContentAddress>> StorePathCAMap;
/* Extension of derivations in the Nix store. */
const std::string drvExtension = ".drv";

8
src/libstore/references.cc
View file

@ -76,8 +76,8 @@ void RefScanSink::operator () (const unsigned char * data, size_t len)
}
PathSet scanForReferences(const string & path,
const PathSet & refs, HashResult & hash)
std::pair<PathSet, HashResult> scanForReferences(const string & path,
const PathSet & refs)
{
RefScanSink refsSink;
HashSink hashSink { htSHA256 };
@ -111,9 +111,9 @@ PathSet scanForReferences(const string & path,
found.insert(j->second);
}
hash = hashSink.finish();
auto hash = hashSink.finish();
return found;
return std::pair<PathSet, HashResult>(found, hash);
}

3
src/libstore/references.hh
View file

@ -5,8 +5,7 @@
namespace nix {
PathSet scanForReferences(const Path & path, const PathSet & refs,
HashResult & hash);
std::pair<PathSet, HashResult> scanForReferences(const Path & path, const PathSet & refs);
struct RewritingSink : Sink
{

136
src/libstore/remote-store.cc
View file

@ -39,13 +39,45 @@ void writeStorePaths(const Store & store, Sink & out, const StorePathSet & paths
out << store.printStorePath(i);
}
StorePath read(const Store & store, Source & from, Proxy<StorePath> _)
{
auto path = readString(from);
return store.parseStorePath(path);
}
StorePathCAMap readStorePathCAMap(const Store & store, Source & from)
{
StorePathCAMap paths;
auto count = readNum<size_t>(from);
while (count--)
paths.insert_or_assign(store.parseStorePath(readString(from)), parseContentAddressOpt(readString(from)));
return paths;
}
void writeStorePathCAMap(const Store & store, Sink & out, const StorePathCAMap & paths)
{
out << paths.size();
for (auto & i : paths) {
out << store.printStorePath(i.first);
out << renderContentAddress(i.second);
}
}
std::map<string, StorePath> readOutputPathMap(const Store & store, Source & from)
{
std::map<string, StorePath> pathMap;
auto rawInput = readStrings<Strings>(from);
if (rawInput.size() % 2)
throw Error("got an odd number of elements from the daemon when trying to read a output path map");
auto curInput = rawInput.begin();
while (curInput != rawInput.end()) {
auto thisKey = *curInput++;
auto thisValue = *curInput++;
pathMap.emplace(thisKey, store.parseStorePath(thisValue));
}
return pathMap;
}
void write(const Store & store, Sink & out, const StorePath & storePath)
{
@ -323,18 +355,17 @@ StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
}
void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos)
void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, SubstitutablePathInfos & infos)
{
if (paths.empty()) return;
if (pathsMap.empty()) return;
auto conn(getConnection());
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) {
for (auto & i : paths) {
for (auto & i : pathsMap) {
SubstitutablePathInfo info;
conn->to << wopQuerySubstitutablePathInfo << printStorePath(i);
conn->to << wopQuerySubstitutablePathInfo << printStorePath(i.first);
conn.processStderr();
unsigned int reply = readInt(conn->from);
if (reply == 0) continue;
@ -344,13 +375,19 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
info.references = readStorePaths<StorePathSet>(*this, conn->from);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
infos.insert_or_assign(i, std::move(info));
infos.insert_or_assign(i.first, std::move(info));
}
} else {
conn->to << wopQuerySubstitutablePathInfos;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 22) {
StorePathSet paths;
for (auto & path : pathsMap)
paths.insert(path.first);
writeStorePaths(*this, conn->to, paths);
} else
writeStorePathCAMap(*this, conn->to, pathsMap);
conn.processStderr();
size_t count = readNum<size_t>(conn->from);
for (size_t n = 0; n < count; n++) {
@ -489,14 +526,89 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
conn->to << wopAddToStoreNar
<< printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false);
<< info.narHash->to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references);
conn->to << info.registrationTime << info.narSize
<< info.ultimate << info.sigs << renderContentAddress(info.ca)
<< repair << !checkSigs;
bool tunnel = GET_PROTOCOL_MINOR(conn->daemonVersion) >= 21;
if (!tunnel) copyNAR(source, conn->to);
conn.processStderr(0, tunnel ? &source : nullptr);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 23) {
std::exception_ptr ex;
struct FramedSink : BufferedSink
{
ConnectionHandle & conn;
std::exception_ptr & ex;
FramedSink(ConnectionHandle & conn, std::exception_ptr & ex) : conn(conn), ex(ex)
{ }
~FramedSink()
{
try {
conn->to << 0;
conn->to.flush();
} catch (...) {
ignoreException();
}
}
void write(const unsigned char * data, size_t len) override
{
/* Don't send more data if the remote has
encountered an error. */
if (ex) {
auto ex2 = ex;
ex = nullptr;
std::rethrow_exception(ex2);
}
conn->to << len;
conn->to(data, len);
};
};
/* Handle log messages / exceptions from the remote on a
separate thread. */
std::thread stderrThread([&]()
{
try {
conn.processStderr();
} catch (...) {
ex = std::current_exception();
}
});
Finally joinStderrThread([&]()
{
if (stderrThread.joinable()) {
stderrThread.join();
if (ex) {
try {
std::rethrow_exception(ex);
} catch (...) {
ignoreException();
}
}
}
});
{
FramedSink sink(conn, ex);
copyNAR(source, sink);
sink.flush();
}
stderrThread.join();
if (ex)
std::rethrow_exception(ex);
} else if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 21) {
conn.processStderr(0, &source);
} else {
copyNAR(source, conn->to);
conn.processStderr(0, nullptr);
}
}
}
@ -698,7 +810,7 @@ void RemoteStore::addSignatures(const StorePath & storePath, const StringSet & s
void RemoteStore::queryMissing(const std::vector<StorePathWithOutputs> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
unsigned long long & downloadSize, unsigned long long & narSize)
uint64_t & downloadSize, uint64_t & narSize)
{
{
auto conn(getConnection());

4
src/libstore/remote-store.hh
View file

@ -56,7 +56,7 @@ public:
StorePathSet querySubstitutablePaths(const StorePathSet & paths) override;
void querySubstitutablePathInfos(const StorePathSet & paths,
void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) override;
void addToStore(const ValidPathInfo & info, Source & nar,
@ -94,7 +94,7 @@ public:
void queryMissing(const std::vector<StorePathWithOutputs> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
unsigned long long & downloadSize, unsigned long long & narSize) override;
uint64_t & downloadSize, uint64_t & narSize) override;
void connect() override;

7
src/libstore/s3-binary-cache-store.cc
View file

@ -343,13 +343,10 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
std::chrono::duration_cast<std::chrono::milliseconds>(now2 - now1)
.count();
auto size = istream->tellg();
printInfo("uploaded 's3://%s/%s' (%d bytes) in %d ms",
bucketName, path, size, duration);
printInfo("uploaded 's3://%s/%s' in %d ms",
bucketName, path, duration);
stats.putTimeMs += duration;
stats.putBytes += size;
stats.put++;
}

1
src/libstore/s3-binary-cache-store.hh
View file

@ -19,7 +19,6 @@ public:
struct Stats
{
std::atomic<uint64_t> put{0};
std::atomic<uint64_t> putBytes{0};
std::atomic<uint64_t> putTimeMs{0};
std::atomic<uint64_t> get{0};
std::atomic<uint64_t> getBytes{0};

95
src/libstore/store-api.cc
View file

@ -193,6 +193,23 @@ StorePath Store::makeFixedOutputPath(
}
}
// FIXME Put this somewhere?
template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
template<class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
StorePath Store::makeFixedOutputPathFromCA(std::string_view name, ContentAddress ca,
const StorePathSet & references, bool hasSelfReference) const
{
// New template
return std::visit(overloaded {
[&](TextHash th) {
return makeTextPath(name, th.hash, references);
},
[&](FixedOutputHash fsh) {
return makeFixedOutputPath(fsh.method, fsh.hash, name, references, hasSelfReference);
}
}, ca);
}
StorePath Store::makeTextPath(std::string_view name, const Hash & hash,
const StorePathSet & references) const
@ -549,7 +566,7 @@ string Store::makeValidityRegistration(const StorePathSet & paths,
auto info = queryPathInfo(i);
if (showHash) {
s += info->narHash.to_string(Base16, false) + "\n";
s += info->narHash->to_string(Base16, false) + "\n";
s += (format("%1%\n") % info->narSize).str();
}
@ -581,7 +598,7 @@ void Store::pathInfoToJSON(JSONPlaceholder & jsonOut, const StorePathSet & store
auto info = queryPathInfo(storePath);
jsonPath
.attr("narHash", info->narHash.to_string(hashBase, true))
.attr("narHash", info->narHash->to_string(hashBase, true))
.attr("narSize", info->narSize);
{
@ -624,7 +641,7 @@ void Store::pathInfoToJSON(JSONPlaceholder & jsonOut, const StorePathSet & store
if (!narInfo->url.empty())
jsonPath.attr("url", narInfo->url);
if (narInfo->fileHash)
jsonPath.attr("downloadHash", narInfo->fileHash.to_string(hashBase, true));
jsonPath.attr("downloadHash", narInfo->fileHash->to_string(hashBase, true));
if (narInfo->fileSize)
jsonPath.attr("downloadSize", narInfo->fileSize);
if (showClosureSize)
@ -700,6 +717,15 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
uint64_t total = 0;
// recompute store path on the chance dstStore does it differently
if (info->ca && info->references.empty()) {
auto info2 = make_ref<ValidPathInfo>(*info);
info2->path = dstStore->makeFixedOutputPathFromCA(info->path.name(), *info->ca);
if (dstStore->storeDir == srcStore->storeDir)
assert(info->path == info2->path);
info = info2;
}
if (!info->narHash) {
StringSink sink;
srcStore->narFromPath({storePath}, sink);
@ -735,16 +761,20 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
}
void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & storePaths,
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & storePaths,
RepairFlag repair, CheckSigsFlag checkSigs, SubstituteFlag substitute)
{
auto valid = dstStore->queryValidPaths(storePaths, substitute);
PathSet missing;
StorePathSet missing;
for (auto & path : storePaths)
if (!valid.count(path)) missing.insert(srcStore->printStorePath(path));
if (!valid.count(path)) missing.insert(path);
if (missing.empty()) return;
std::map<StorePath, StorePath> pathsMap;
for (auto & path : storePaths)
pathsMap.insert_or_assign(path, path);
if (missing.empty()) return pathsMap;
Activity act(*logger, lvlInfo, actCopyPaths, fmt("copying %d paths", missing.size()));
@ -759,30 +789,49 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & st
ThreadPool pool;
processGraph<Path>(pool,
PathSet(missing.begin(), missing.end()),
processGraph<StorePath>(pool,
StorePathSet(missing.begin(), missing.end()),
[&](const Path & storePath) {
if (dstStore->isValidPath(dstStore->parseStorePath(storePath))) {
[&](const StorePath & storePath) {
auto info = srcStore->queryPathInfo(storePath);
auto storePathForDst = storePath;
if (info->ca && info->references.empty()) {
storePathForDst = dstStore->makeFixedOutputPathFromCA(storePath.name(), *info->ca);
if (dstStore->storeDir == srcStore->storeDir)
assert(storePathForDst == storePath);
if (storePathForDst != storePath)
debug("replaced path '%s' to '%s' for substituter '%s'", srcStore->printStorePath(storePath), dstStore->printStorePath(storePathForDst), dstStore->getUri());
}
pathsMap.insert_or_assign(storePath, storePathForDst);
if (dstStore->isValidPath(storePath)) {
nrDone++;
showProgress();
return PathSet();
return StorePathSet();
}
auto info = srcStore->queryPathInfo(srcStore->parseStorePath(storePath));
bytesExpected += info->narSize;
act.setExpected(actCopyPath, bytesExpected);
return srcStore->printStorePathSet(info->references);
return info->references;
},
[&](const Path & storePathS) {
[&](const StorePath & storePath) {
checkInterrupt();
auto storePath = dstStore->parseStorePath(storePathS);
auto info = srcStore->queryPathInfo(storePath);
if (!dstStore->isValidPath(storePath)) {
auto storePathForDst = storePath;
if (info->ca && info->references.empty()) {
storePathForDst = dstStore->makeFixedOutputPathFromCA(storePath.name(), *info->ca);
if (dstStore->storeDir == srcStore->storeDir)
assert(storePathForDst == storePath);
if (storePathForDst != storePath)
debug("replaced path '%s' to '%s' for substituter '%s'", srcStore->printStorePath(storePath), dstStore->printStorePath(storePathForDst), dstStore->getUri());
}
pathsMap.insert_or_assign(storePath, storePathForDst);
if (!dstStore->isValidPath(storePathForDst)) {
MaintainCount<decltype(nrRunning)> mc(nrRunning);
showProgress();
try {
@ -791,7 +840,7 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & st
nrFailed++;
if (!settings.keepGoing)
throw e;
logger->log(lvlError, fmt("could not copy %s: %s", storePathS, e.what()));
logger->log(lvlError, fmt("could not copy %s: %s", dstStore->printStorePath(storePath), e.what()));
showProgress();
return;
}
@ -800,6 +849,8 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & st
nrDone++;
showProgress();
});
return pathsMap;
}
@ -865,7 +916,7 @@ std::string ValidPathInfo::fingerprint(const Store & store) const
store.printStorePath(path));
return
"1;" + store.printStorePath(path) + ";"
+ narHash.to_string(Base32, true) + ";"
+ narHash->to_string(Base32, true) + ";"
+ std::to_string(narSize) + ";"
+ concatStringsSep(",", store.printStorePathSet(references));
}
@ -876,10 +927,6 @@ void ValidPathInfo::sign(const Store & store, const SecretKey & secretKey)
sigs.insert(secretKey.signDetached(fingerprint(store)));
}
// FIXME Put this somewhere?
template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
template<class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
bool ValidPathInfo::isContentAddressed(const Store & store) const
{
if (! ca) return false;

40
src/libstore/store-api.hh
View file

@ -85,7 +85,7 @@ struct GCOptions
StorePathSet pathsToDelete;
/* Stop after at least `maxFreed' bytes have been freed. */
unsigned long long maxFreed{std::numeric_limits<unsigned long long>::max()};
uint64_t maxFreed{std::numeric_limits<uint64_t>::max()};
};
@ -97,7 +97,7 @@ struct GCResults
/* For `gcReturnDead', `gcDeleteDead' and `gcDeleteSpecific', the
number of bytes that would be or was freed. */
unsigned long long bytesFreed = 0;
uint64_t bytesFreed = 0;
};
@ -105,8 +105,8 @@ struct SubstitutablePathInfo
{
std::optional<StorePath> deriver;
StorePathSet references;
unsigned long long downloadSize; /* 0 = unknown or inapplicable */
unsigned long long narSize; /* 0 = unknown */
uint64_t downloadSize; /* 0 = unknown or inapplicable */
uint64_t narSize; /* 0 = unknown */
};
typedef std::map<StorePath, SubstitutablePathInfo> SubstitutablePathInfos;
@ -115,7 +115,8 @@ struct ValidPathInfo
{
StorePath path;
std::optional<StorePath> deriver;
Hash narHash;
// TODO document this
std::optional<Hash> narHash;
StorePathSet references;
time_t registrationTime = 0;
uint64_t narSize = 0; // 0 = unknown
@ -343,7 +344,11 @@ public:
bool hasSelfReference = false) const;
StorePath makeTextPath(std::string_view name, const Hash & hash,
const StorePathSet & references) const;
const StorePathSet & references = {}) const;
StorePath makeFixedOutputPathFromCA(std::string_view name, ContentAddress ca,
const StorePathSet & references = {},
bool hasSelfReference = false) const;
/* This is the preparatory part of addToStore(); it computes the
store path to which srcPath is to be copied. Returns the store
@ -441,9 +446,10 @@ public:
virtual StorePathSet querySubstitutablePaths(const StorePathSet & paths) { return {}; };
/* Query substitute info (i.e. references, derivers and download
sizes) of a set of paths. If a path does not have substitute
info, it's omitted from the resulting ‘infos’ map. */
virtual void querySubstitutablePathInfos(const StorePathSet & paths,
sizes) of a map of paths to their optional ca values. If a path
does not have substitute info, it's omitted from the resulting
‘infos’ map. */
virtual void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) { return; };
/* Import a path into the store. */
@ -615,7 +621,7 @@ public:
that will be substituted. */
virtual void queryMissing(const std::vector<StorePathWithOutputs> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
unsigned long long & downloadSize, unsigned long long & narSize);
uint64_t & downloadSize, uint64_t & narSize);
/* Sort a set of paths topologically under the references
relation. If p refers to q, then p precedes q in this list. */
@ -745,11 +751,13 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
/* Copy store paths from one store to another. The paths may be copied
in parallel. They are copied in a topologically sorted order
(i.e. if A is a reference of B, then A is copied before B), but
the set of store paths is not automatically closed; use
copyClosure() for that. */
void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & storePaths,
in parallel. They are copied in a topologically sorted order (i.e.
if A is a reference of B, then A is copied before B), but the set
of store paths is not automatically closed; use copyClosure() for
that. Returns a map of what each path was copied to the dstStore
as. */
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore,
const StorePathSet & storePaths,
RepairFlag repair = NoRepair,
CheckSigsFlag checkSigs = CheckSigs,
SubstituteFlag substitute = NoSubstitute);
@ -848,4 +856,6 @@ std::optional<ValidPathInfo> decodeValidPathInfo(
/* Split URI into protocol+hierarchy part and its parameter set. */
std::pair<std::string, Store::Params> splitUriAndParams(const std::string & uri);
std::optional<ContentAddress> getDerivationCA(const BasicDerivation & drv);
}

8
src/libstore/worker-protocol.hh
View file

@ -6,7 +6,7 @@ namespace nix {
#define WORKER_MAGIC_1 0x6e697863
#define WORKER_MAGIC_2 0x6478696f
#define PROTOCOL_VERSION 0x116
#define PROTOCOL_VERSION 0x117
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
@ -122,4 +122,10 @@ StorePath read(const Store & store, Source & from, Proxy<StorePath> _);
void write(const Store & store, Sink & out, const StorePath & storePath);
StorePathCAMap readStorePathCAMap(const Store & store, Source & from);
void writeStorePathCAMap(const Store & store, Sink & out, const StorePathCAMap & paths);
void writeOutputPathMap(const Store & store, Sink & out, const OutputPathMap & paths);
}

10
src/libutil/archive.cc
View file

@ -150,17 +150,17 @@ static void skipGeneric(Source & source)
static void parseContents(ParseSink & sink, Source & source, const Path & path)
{
unsigned long long size = readLongLong(source);
uint64_t size = readLongLong(source);
sink.preallocateContents(size);
unsigned long long left = size;
uint64_t left = size;
std::vector<unsigned char> buf(65536);
while (left) {
checkInterrupt();
auto n = buf.size();
if ((unsigned long long)n > left) n = left;
if ((uint64_t)n > left) n = left;
source(buf.data(), n);
sink.receiveContents(buf.data(), n);
left -= n;
@ -323,7 +323,7 @@ struct RestoreSink : ParseSink
throw SysError("fchmod");
}
void preallocateContents(unsigned long long len)
void preallocateContents(uint64_t len)
{
#if HAVE_POSIX_FALLOCATE
if (len) {
@ -338,7 +338,7 @@ struct RestoreSink : ParseSink
#endif
}
void receiveContents(unsigned char * data, unsigned int len)
void receiveContents(unsigned char * data, size_t len)
{
writeFull(fd.get(), data, len);
}

6
src/libutil/archive.hh
View file

@ -57,8 +57,8 @@ struct ParseSink
virtual void createRegularFile(const Path & path) { };
virtual void isExecutable() { };
virtual void preallocateContents(unsigned long long size) { };
virtual void receiveContents(unsigned char * data, unsigned int len) { };
virtual void preallocateContents(uint64_t size) { };
virtual void receiveContents(unsigned char * data, size_t len) { };
virtual void createSymlink(const Path & path, const string & target) { };
};
@ -77,7 +77,7 @@ struct RetrieveRegularNARSink : ParseSink
regular = false;
}
void receiveContents(unsigned char * data, unsigned int len)
void receiveContents(unsigned char * data, size_t len)
{
sink(data, len);
}

101
src/libutil/hash.cc
View file

@ -15,19 +15,22 @@
namespace nix {
static size_t regularHashSize(HashType type) {
switch (type) {
case htMD5: return md5HashSize;
case htSHA1: return sha1HashSize;
case htSHA256: return sha256HashSize;
case htSHA512: return sha512HashSize;
}
abort();
}
std::set<std::string> hashTypes = { "md5", "sha1", "sha256", "sha512" };
void Hash::init()
{
assert(type);
switch (*type) {
case htMD5: hashSize = md5HashSize; break;
case htSHA1: hashSize = sha1HashSize; break;
case htSHA256: hashSize = sha256HashSize; break;
case htSHA512: hashSize = sha512HashSize; break;
}
hashSize = regularHashSize(type);
assert(hashSize <= maxHashSize);
memset(hash, 0, maxHashSize);
}
@ -108,17 +111,11 @@ string printHash16or32(const Hash & hash)
}
HashType assertInitHashType(const Hash & h)
{
assert(h.type);
return *h.type;
}
std::string Hash::to_string(Base base, bool includeType) const
{
std::string s;
if (base == SRI || includeType) {
s += printHashType(assertInitHashType(*this));
s += printHashType(type);
s += base == SRI ? '-' : ':';
}
switch (base) {
@ -139,60 +136,66 @@ std::string Hash::to_string(Base base, bool includeType) const
Hash::Hash(std::string_view s, HashType type) : Hash(s, std::optional { type }) { }
Hash::Hash(std::string_view s) : Hash(s, std::optional<HashType>{}) { }
Hash::Hash(std::string_view s, std::optional<HashType> type)
: type(type)
Hash::Hash(std::string_view original, std::optional<HashType> optType)
{
auto rest = original;
size_t pos = 0;
bool isSRI = false;
auto sep = s.find(':');
if (sep == string::npos) {
sep = s.find('-');
if (sep != string::npos) {
// Parse the has type before the separater, if there was one.
std::optional<HashType> optParsedType;
{
auto sep = rest.find(':');
if (sep == std::string_view::npos) {
sep = rest.find('-');
if (sep != std::string_view::npos)
isSRI = true;
} else if (! type)
throw BadHash("hash '%s' does not include a type", s);
}
if (sep != std::string_view::npos) {
auto hashRaw = rest.substr(0, sep);
optParsedType = parseHashType(hashRaw);
rest = rest.substr(sep + 1);
}
}
if (sep != string::npos) {
string hts = string(s, 0, sep);
this->type = parseHashType(hts);
if (!this->type)
throw BadHash("unknown hash type '%s'", hts);
if (type && type != this->type)
throw BadHash("hash '%s' should have type '%s'", s, printHashType(*type));
pos = sep + 1;
// Either the string or user must provide the type, if they both do they
// must agree.
if (!optParsedType && !optType) {
throw BadHash("hash '%s' does not include a type, nor is the type otherwise known from context.", rest);
} else {
this->type = optParsedType ? *optParsedType : *optType;
if (optParsedType && optType && *optParsedType != *optType)
throw BadHash("hash '%s' should have type '%s'", original, printHashType(*optType));
}
init();
size_t size = s.size() - pos;
if (!isSRI && size == base16Len()) {
if (!isSRI && rest.size() == base16Len()) {
auto parseHexDigit = [&](char c) {
if (c >= '0' && c <= '9') return c - '0';
if (c >= 'A' && c <= 'F') return c - 'A' + 10;
if (c >= 'a' && c <= 'f') return c - 'a' + 10;
throw BadHash("invalid base-16 hash '%s'", s);
throw BadHash("invalid base-16 hash '%s'", original);
};
for (unsigned int i = 0; i < hashSize; i++) {
hash[i] =
parseHexDigit(s[pos + i * 2]) << 4
| parseHexDigit(s[pos + i * 2 + 1]);
parseHexDigit(rest[pos + i * 2]) << 4
| parseHexDigit(rest[pos + i * 2 + 1]);
}
}
else if (!isSRI && size == base32Len()) {
else if (!isSRI && rest.size() == base32Len()) {
for (unsigned int n = 0; n < size; ++n) {
char c = s[pos + size - n - 1];
for (unsigned int n = 0; n < rest.size(); ++n) {
char c = rest[rest.size() - n - 1];
unsigned char digit;
for (digit = 0; digit < base32Chars.size(); ++digit) /* !!! slow */
if (base32Chars[digit] == c) break;
if (digit >= 32)
throw BadHash("invalid base-32 hash '%s'", s);
throw BadHash("invalid base-32 hash '%s'", original);
unsigned int b = n * 5;
unsigned int i = b / 8;
unsigned int j = b % 8;
@ -202,21 +205,21 @@ Hash::Hash(std::string_view s, std::optional<HashType> type)
hash[i + 1] |= digit >> (8 - j);
} else {
if (digit >> (8 - j))
throw BadHash("invalid base-32 hash '%s'", s);
throw BadHash("invalid base-32 hash '%s'", original);
}
}
}
else if (isSRI || size == base64Len()) {
auto d = base64Decode(s.substr(pos));
else if (isSRI || rest.size() == base64Len()) {
auto d = base64Decode(rest);
if (d.size() != hashSize)
throw BadHash("invalid %s hash '%s'", isSRI ? "SRI" : "base-64", s);
throw BadHash("invalid %s hash '%s'", isSRI ? "SRI" : "base-64", original);
assert(hashSize);
memcpy(hash, d.data(), hashSize);
}
else
throw BadHash("hash '%s' has wrong length for hash type '%s'", s, printHashType(*type));
throw BadHash("hash '%s' has wrong length for hash type '%s'", rest, printHashType(this->type));
}
Hash newHashAllowEmpty(std::string hashStr, std::optional<HashType> ht)
@ -269,7 +272,7 @@ static void finish(HashType ht, Ctx & ctx, unsigned char * hash)
}
Hash hashString(HashType ht, const string & s)
Hash hashString(HashType ht, std::string_view s)
{
Ctx ctx;
Hash hash(ht);
@ -336,7 +339,7 @@ HashResult hashPath(
Hash compressHash(const Hash & hash, unsigned int newSize)
{
Hash h;
Hash h(hash.type);
h.hashSize = newSize;
for (unsigned int i = 0; i < hash.hashSize; ++i)
h.hash[i % newSize] ^= hash.hash[i];
@ -344,7 +347,7 @@ Hash compressHash(const Hash & hash, unsigned int newSize)
}
std::optional<HashType> parseHashTypeOpt(const string & s)
std::optional<HashType> parseHashTypeOpt(std::string_view s)
{
if (s == "md5") return htMD5;
else if (s == "sha1") return htSHA1;
@ -353,7 +356,7 @@ std::optional<HashType> parseHashTypeOpt(const string & s)
else return std::optional<HashType> {};
}
HashType parseHashType(const string & s)
HashType parseHashType(std::string_view s)
{
auto opt_h = parseHashTypeOpt(s);
if (opt_h)

21
src/libutil/hash.hh
View file

@ -27,14 +27,11 @@ enum Base : int { Base64, Base32, Base16, SRI };
struct Hash
{
static const unsigned int maxHashSize = 64;
unsigned int hashSize = 0;
unsigned char hash[maxHashSize] = {};
constexpr static size_t maxHashSize = 64;
size_t hashSize = 0;
uint8_t hash[maxHashSize] = {};
std::optional<HashType> type = {};
/* Create an unset hash object. */
Hash() { };
HashType type;
/* Create a zero-filled hash object. */
Hash(HashType type) : type(type) { init(); };
@ -107,14 +104,14 @@ Hash newHashAllowEmpty(std::string hashStr, std::optional<HashType> ht);
string printHash16or32(const Hash & hash);
/* Compute the hash of the given string. */
Hash hashString(HashType ht, const string & s);
Hash hashString(HashType ht, std::string_view s);
/* Compute the hash of the given file. */
Hash hashFile(HashType ht, const Path & path);
/* Compute the hash of the given path. The hash is defined as
(essentially) hashString(ht, dumpPath(path)). */
typedef std::pair<Hash, unsigned long long> HashResult;
typedef std::pair<Hash, uint64_t> HashResult;
HashResult hashPath(HashType ht, const Path & path,
PathFilter & filter = defaultPathFilter);
@ -123,10 +120,10 @@ HashResult hashPath(HashType ht, const Path & path,
Hash compressHash(const Hash & hash, unsigned int newSize);
/* Parse a string representing a hash type. */
HashType parseHashType(const string & s);
HashType parseHashType(std::string_view s);
/* Will return nothing on parse error */
std::optional<HashType> parseHashTypeOpt(const string & s);
std::optional<HashType> parseHashTypeOpt(std::string_view s);
/* And the reverse. */
string printHashType(HashType ht);
@ -144,7 +141,7 @@ class HashSink : public BufferedSink, public AbstractHashSink
private:
HashType ht;
Ctx * ctx;
unsigned long long bytes;
uint64_t bytes;
public:
HashSink(HashType ht);

16
src/libutil/serialise.hh
View file

@ -312,14 +312,14 @@ T readNum(Source & source)
source(buf, sizeof(buf));
uint64_t n =
((unsigned long long) buf[0]) |
((unsigned long long) buf[1] << 8) |
((unsigned long long) buf[2] << 16) |
((unsigned long long) buf[3] << 24) |
((unsigned long long) buf[4] << 32) |
((unsigned long long) buf[5] << 40) |
((unsigned long long) buf[6] << 48) |
((unsigned long long) buf[7] << 56);
((uint64_t) buf[0]) |
((uint64_t) buf[1] << 8) |
((uint64_t) buf[2] << 16) |
((uint64_t) buf[3] << 24) |
((uint64_t) buf[4] << 32) |
((uint64_t) buf[5] << 40) |
((uint64_t) buf[6] << 48) |
((uint64_t) buf[7] << 56);
if (n > std::numeric_limits<T>::max())
throw SerialisationError("serialised integer %d is too large for type '%s'", n, typeid(T).name());

8
src/libutil/util.cc
View file

@ -374,7 +374,7 @@ void writeLine(int fd, string s)
}
static void _deletePath(int parentfd, const Path & path, unsigned long long & bytesFreed)
static void _deletePath(int parentfd, const Path & path, uint64_t & bytesFreed)
{
checkInterrupt();
@ -414,7 +414,7 @@ static void _deletePath(int parentfd, const Path & path, unsigned long long & by
}
}
static void _deletePath(const Path & path, unsigned long long & bytesFreed)
static void _deletePath(const Path & path, uint64_t & bytesFreed)
{
Path dir = dirOf(path);
if (dir == "")
@ -435,12 +435,12 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed)
void deletePath(const Path & path)
{
unsigned long long dummy;
uint64_t dummy;
deletePath(path, dummy);
}
void deletePath(const Path & path, unsigned long long & bytesFreed)
void deletePath(const Path & path, uint64_t & bytesFreed)
{
//Activity act(*logger, lvlDebug, format("recursively deleting path '%1%'") % path);
bytesFreed = 0;

2
src/libutil/util.hh
View file

@ -125,7 +125,7 @@ void writeLine(int fd, string s);
second variant returns the number of bytes and blocks freed. */
void deletePath(const Path & path);
void deletePath(const Path & path, unsigned long long & bytesFreed);
void deletePath(const Path & path, uint64_t & bytesFreed);
std::string getUserName();

6
src/nix-build/nix-build.cc
View file

@ -174,7 +174,7 @@ static void _main(int argc, char * * argv)
else if (*arg == "--run-env") // obsolete
runEnv = true;
else if (*arg == "--command" || *arg == "--run") {
else if (runEnv && (*arg == "--command" || *arg == "--run")) {
if (*arg == "--run")
interactive = false;
envCommand = getArg(*arg, arg, end) + "\nexit";
@ -192,7 +192,7 @@ static void _main(int argc, char * * argv)
else if (*arg == "--pure") pure = true;
else if (*arg == "--impure") pure = false;
else if (*arg == "--packages" || *arg == "-p")
else if (runEnv && (*arg == "--packages" || *arg == "-p"))
packages = true;
else if (inShebang && *arg == "-i") {
@ -325,7 +325,7 @@ static void _main(int argc, char * * argv)
auto buildPaths = [&](const std::vector<StorePathWithOutputs> & paths) {
/* Note: we do this even when !printMissing to efficiently
fetch binary cache data. */
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths,
willBuild, willSubstitute, unknown, downloadSize, narSize);

6
src/nix-collect-garbage/nix-collect-garbage.cc
View file

@ -67,10 +67,8 @@ static int _main(int argc, char * * argv)
deleteOlderThan = getArg(*arg, arg, end);
}
else if (*arg == "--dry-run") dryRun = true;
else if (*arg == "--max-freed") {
long long maxFreed = getIntArg<long long>(*arg, arg, end, true);
options.maxFreed = maxFreed >= 0 ? maxFreed : 0;
}
else if (*arg == "--max-freed")
options.maxFreed = std::max(getIntArg<int64_t>(*arg, arg, end, true), (int64_t) 0);
else
return false;
return true;

2
src/nix-prefetch-url/nix-prefetch-url.cc
View file

@ -154,7 +154,7 @@ static int _main(int argc, char * * argv)
/* If an expected hash is given, the file may already exist in
the store. */
std::optional<Hash> expectedHash;
Hash hash;
Hash hash(ht);
std::optional<StorePath> storePath;
if (args.size() == 2) {
expectedHash = Hash(args[1], ht);

32
src/nix-store/nix-store.cc
View file

@ -77,7 +77,7 @@ static PathSet realisePath(StorePathWithOutputs path, bool build = true)
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'",
store2->printStorePath(path.path), j);
auto outPath = store2->printStorePath(i->second.path);
auto outPath = store2->printStorePath(i->second.path(*store, drv.name));
if (store2) {
if (gcRoot == "")
printGCWarning();
@ -130,7 +130,7 @@ static void opRealise(Strings opFlags, Strings opArgs)
for (auto & i : opArgs)
paths.push_back(store->followLinksToStorePathWithOutputs(i));
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
@ -219,7 +219,7 @@ static StorePathSet maybeUseOutputs(const StorePath & storePath, bool useOutput,
auto drv = store->derivationFromPath(storePath);
StorePathSet outputs;
for (auto & i : drv.outputs)
outputs.insert(i.second.path);
outputs.insert(i.second.path(*store, drv.name));
return outputs;
}
else return {storePath};
@ -313,7 +313,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
if (forceRealise) realisePath({i2});
Derivation drv = store->derivationFromPath(i2);
for (auto & j : drv.outputs)
cout << fmt("%1%\n", store->printStorePath(j.second.path));
cout << fmt("%1%\n", store->printStorePath(j.second.path(*store, drv.name)));
}
break;
}
@ -372,8 +372,8 @@ static void opQuery(Strings opFlags, Strings opArgs)
for (auto & j : maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise)) {
auto info = store->queryPathInfo(j);
if (query == qHash) {
assert(info->narHash.type == htSHA256);
cout << fmt("%s\n", info->narHash.to_string(Base32, true));
assert(info->narHash && info->narHash->type == htSHA256);
cout << fmt("%s\n", info->narHash->to_string(Base32, true));
} else if (query == qSize)
cout << fmt("%d\n", info->narSize);
}
@ -572,10 +572,8 @@ static void opGC(Strings opFlags, Strings opArgs)
if (*i == "--print-roots") printRoots = true;
else if (*i == "--print-live") options.action = GCOptions::gcReturnLive;
else if (*i == "--print-dead") options.action = GCOptions::gcReturnDead;
else if (*i == "--max-freed") {
long long maxFreed = getIntArg<long long>(*i, i, opFlags.end(), true);
options.maxFreed = maxFreed >= 0 ? maxFreed : 0;
}
else if (*i == "--max-freed")
options.maxFreed = std::max(getIntArg<int64_t>(*i, i, opFlags.end(), true), (int64_t) 0);
else throw UsageError("bad sub-operation '%1%' in GC", *i);
if (!opArgs.empty()) throw UsageError("no arguments expected");
@ -725,7 +723,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
auto path = store->followLinksToStorePath(i);
printMsg(lvlTalkative, "checking path '%s'...", store->printStorePath(path));
auto info = store->queryPathInfo(path);
HashSink sink(*info->narHash.type);
HashSink sink(info->narHash->type);
store->narFromPath(path, sink);
auto current = sink.finish();
if (current.first != info->narHash) {
@ -734,7 +732,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
.hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(path),
info->narHash.to_string(Base32, true),
info->narHash->to_string(Base32, true),
current.first.to_string(Base32, true))
});
status = 1;
@ -831,7 +829,7 @@ static void opServe(Strings opFlags, Strings opArgs)
for (auto & path : paths)
if (!path.isDerivation())
paths2.push_back({path});
unsigned long long downloadSize, narSize;
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
store->queryMissing(paths2,
willBuild, willSubstitute, unknown, downloadSize, narSize);
@ -864,7 +862,9 @@ static void opServe(Strings opFlags, Strings opArgs)
out << info->narSize // downloadSize
<< info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 4)
out << (info->narHash ? info->narHash.to_string(Base32, true) : "") << renderContentAddress(info->ca) << info->sigs;
out << (info->narHash ? info->narHash->to_string(Base32, true) : "")
<< renderContentAddress(info->ca)
<< info->sigs;
} catch (InvalidPath &) {
}
}
@ -914,9 +914,9 @@ static void opServe(Strings opFlags, Strings opArgs)
if (!writeAllowed) throw Error("building paths is not allowed");
auto drvPath = store->parseStorePath(readString(in)); // informational only
auto drvPath = store->parseStorePath(readString(in));
BasicDerivation drv;
readDerivation(in, *store, drv);
readDerivation(in, *store, drv, Derivation::nameFromPath(drvPath));
getBuildSettings();

21
src/nix/add-to-store.cc
View file

@ -9,6 +9,7 @@ struct CmdAddToStore : MixDryRun, StoreCommand
{
Path path;
std::optional<std::string> namePart;
FileIngestionMethod ingestionMethod = FileIngestionMethod::Recursive;
CmdAddToStore()
{
@ -21,6 +22,13 @@ struct CmdAddToStore : MixDryRun, StoreCommand
.labels = {"name"},
.handler = {&namePart},
});
addFlag({
.longName = "flat",
.shortName = 0,
.description = "add flat file to the Nix store",
.handler = {&ingestionMethod, FileIngestionMethod::Flat},
});
}
std::string description() override
@ -45,12 +53,19 @@ struct CmdAddToStore : MixDryRun, StoreCommand
auto narHash = hashString(htSHA256, *sink.s);
ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, *namePart));
Hash hash = narHash;
if (ingestionMethod == FileIngestionMethod::Flat) {
HashSink hsink(htSHA256);
readFile(path, hsink);
hash = hsink.finish().first;
}
ValidPathInfo info(store->makeFixedOutputPath(ingestionMethod, hash, *namePart));
info.narHash = narHash;
info.narSize = sink.s->size();
info.ca = std::optional { FixedOutputHash {
.method = FileIngestionMethod::Recursive,
.hash = info.narHash,
.method = ingestionMethod,
.hash = hash,
} };
if (!dryRun) {

9
src/nix/build.cc
View file

@ -9,6 +9,7 @@ using namespace nix;
struct CmdBuild : InstallablesCommand, MixDryRun, MixProfile
{
Path outLink = "result";
BuildMode buildMode = bmNormal;
CmdBuild()
{
@ -26,6 +27,12 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixProfile
.description = "do not create a symlink to the build result",
.handler = {&outLink, Path("")},
});
addFlag({
.longName = "rebuild",
.description = "rebuild an already built package and compare the result to the existing store paths",
.handler = {&buildMode, bmCheck},
});
}
std::string description() override
@ -53,7 +60,7 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixProfile
void run(ref<Store> store) override
{
auto buildables = build(store, dryRun ? Realise::Nothing : Realise::Outputs, installables);
auto buildables = build(store, dryRun ? Realise::Nothing : Realise::Outputs, installables, buildMode);
if (dryRun) return;

129
src/nix/bundle.cc Normal file
View file

@ -0,0 +1,129 @@
#include "command.hh"
#include "common-args.hh"
#include "shared.hh"
#include "store-api.hh"
#include "fs-accessor.hh"
using namespace nix;
struct CmdBundle : InstallableCommand
{
std::string bundler = "github:matthewbauer/nix-bundle";
std::optional<Path> outLink;
CmdBundle()
{
addFlag({
.longName = "bundler",
.description = "use custom bundler",
.labels = {"flake-url"},
.handler = {&bundler},
.completer = {[&](size_t, std::string_view prefix) {
completeFlakeRef(getStore(), prefix);
}}
});
addFlag({
.longName = "out-link",
.shortName = 'o',
.description = "path of the symlink to the build result",
.labels = {"path"},
.handler = {&outLink},
.completer = completePath
});
}
std::string description() override
{
return "bundle an application so that it works outside of the Nix store";
}
Examples examples() override
{
return {
Example{
"To bundle Hello:",
"nix bundle hello"
},
};
}
Category category() override { return catSecondary; }
Strings getDefaultFlakeAttrPaths() override
{
Strings res{"defaultApp." + settings.thisSystem.get()};
for (auto & s : SourceExprCommand::getDefaultFlakeAttrPaths())
res.push_back(s);
return res;
}
Strings getDefaultFlakeAttrPathPrefixes() override
{
Strings res{"apps." + settings.thisSystem.get() + ".", "packages"};
for (auto & s : SourceExprCommand::getDefaultFlakeAttrPathPrefixes())
res.push_back(s);
return res;
}
void run(ref<Store> store) override
{
auto evalState = getEvalState();
auto app = installable->toApp(*evalState);
store->buildPaths(app.context);
auto [bundlerFlakeRef, bundlerName] = parseFlakeRefWithFragment(bundler, absPath("."));
const flake::LockFlags lockFlags{ .writeLockFile = false };
auto bundler = InstallableFlake(
evalState, std::move(bundlerFlakeRef),
Strings{bundlerName == "" ? "defaultBundler" : bundlerName},
Strings({"bundlers."}), lockFlags);
Value * arg = evalState->allocValue();
evalState->mkAttrs(*arg, 2);
PathSet context;
for (auto & i : app.context)
context.insert("=" + store->printStorePath(i.path));
mkString(*evalState->allocAttr(*arg, evalState->symbols.create("program")), app.program, context);
mkString(*evalState->allocAttr(*arg, evalState->symbols.create("system")), settings.thisSystem.get());
arg->attrs->sort();
auto vRes = evalState->allocValue();
evalState->callFunction(*bundler.toValue(*evalState).first, *arg, *vRes, noPos);
if (!evalState->isDerivation(*vRes))
throw Error("the bundler '%s' does not produce a derivation", bundler.what());
auto attr1 = vRes->attrs->find(evalState->sDrvPath);
if (!attr1)
throw Error("the bundler '%s' does not produce a derivation", bundler.what());
PathSet context2;
StorePath drvPath = store->parseStorePath(evalState->coerceToPath(*attr1->pos, *attr1->value, context2));
auto attr2 = vRes->attrs->find(evalState->sOutPath);
if (!attr2)
throw Error("the bundler '%s' does not produce a derivation", bundler.what());
StorePath outPath = store->parseStorePath(evalState->coerceToPath(*attr2->pos, *attr2->value, context2));
store->buildPaths({{drvPath}});
auto outPathS = store->printStorePath(outPath);
auto info = store->queryPathInfo(outPath);
if (!info->references.empty())
throw Error("'%s' has references; a bundler must not leave any references", outPathS);
if (!outLink)
outLink = baseNameOf(app.program);
store.dynamic_pointer_cast<LocalFSStore>()->addPermRoot(outPath, absPath(*outLink), true);
}
};
static auto r2 = registerCommand<CmdBundle>("bundle");

3
src/nix/command.hh
View file

@ -5,6 +5,7 @@
#include "common-eval-args.hh"
#include "path.hh"
#include "flake/lockfile.hh"
#include "store-api.hh"
#include <optional>
@ -185,7 +186,7 @@ static RegisterCommand registerCommand(const std::string & name)
}
Buildables build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables);
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode = bmNormal);
std::set<StorePath> toStorePaths(ref<Store> store,
Realise mode, OperateOn operateOn,

14
src/nix/develop.cc
View file

@ -68,22 +68,22 @@ BuildEnvironment readEnvironment(const Path & path)
std::smatch match;
if (std::regex_search(pos, file.cend(), match, declareRegex)) {
if (std::regex_search(pos, file.cend(), match, declareRegex, std::regex_constants::match_continuous)) {
pos = match[0].second;
exported.insert(match[1]);
}
else if (std::regex_search(pos, file.cend(), match, varRegex)) {
else if (std::regex_search(pos, file.cend(), match, varRegex, std::regex_constants::match_continuous)) {
pos = match[0].second;
res.env.insert({match[1], Var { .exported = exported.count(match[1]) > 0, .value = match[2] }});
}
else if (std::regex_search(pos, file.cend(), match, assocArrayRegex)) {
else if (std::regex_search(pos, file.cend(), match, assocArrayRegex, std::regex_constants::match_continuous)) {
pos = match[0].second;
res.env.insert({match[1], Var { .associative = true, .value = match[2] }});
}
else if (std::regex_search(pos, file.cend(), match, functionRegex)) {
else if (std::regex_search(pos, file.cend(), match, functionRegex, std::regex_constants::match_continuous)) {
res.bashFunctions = std::string(pos, file.cend());
break;
}
@ -130,14 +130,16 @@ StorePath getDerivationEnvironment(ref<Store> store, const StorePath & drvPath)
drvName += "-env";
for (auto & output : drv.outputs)
drv.env.erase(output.first);
drv.outputs = {{"out", DerivationOutput { .path = StorePath::dummy }}};
drv.outputs = {{"out", DerivationOutput { .output = DerivationOutputInputAddressed { .path = StorePath::dummy }}}};
drv.env["out"] = "";
drv.env["_outputs_saved"] = drv.env["outputs"];
drv.env["outputs"] = "out";
drv.inputSrcs.insert(std::move(getEnvShPath));
Hash h = hashDerivationModulo(*store, drv, true);
auto shellOutPath = store->makeOutputPath("out", h, drvName);
drv.outputs.insert_or_assign("out", DerivationOutput { .path = shellOutPath });
drv.outputs.insert_or_assign("out", DerivationOutput { .output = DerivationOutputInputAddressed {
.path = shellOutPath
} });
drv.env["out"] = store->printStorePath(shellOutPath);
auto shellDrvPath2 = writeDerivation(store, drv, drvName);

25
src/nix/flake.cc
View file

@ -368,6 +368,21 @@ struct CmdFlakeCheck : FlakeCommand
}
};
auto checkBundler = [&](const std::string & attrPath, Value & v, const Pos & pos) {
try {
state->forceValue(v, pos);
if (v.type != tLambda)
throw Error("bundler must be a function");
if (!v.lambda.fun->formals ||
v.lambda.fun->formals->argNames.find(state->symbols.create("program")) == v.lambda.fun->formals->argNames.end() ||
v.lambda.fun->formals->argNames.find(state->symbols.create("system")) == v.lambda.fun->formals->argNames.end())
throw Error("bundler must take formal arguments 'program' and 'system'");
} catch (Error & e) {
e.addTrace(pos, hintfmt("while checking the template '%s'", attrPath));
throw;
}
};
{
Activity act(*logger, lvlInfo, actUnknown, "evaluating flake");
@ -490,6 +505,16 @@ struct CmdFlakeCheck : FlakeCommand
*attr.value, *attr.pos);
}
else if (name == "defaultBundler")
checkBundler(name, vOutput, pos);
else if (name == "bundlers") {
state->forceAttrs(vOutput, pos);
for (auto & attr : *vOutput.attrs)
checkBundler(fmt("%s.%s", name, attr.name),
*attr.value, *attr.pos);
}
else
warn("unknown flake output '%s'", name);

21
src/nix/installables.cc
View file

@ -276,7 +276,7 @@ std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
Installable::getCursors(EvalState & state, bool useEvalCache)
{
auto evalCache =
std::make_shared<nix::eval_cache::EvalCache>(false, Hash(), state,
std::make_shared<nix::eval_cache::EvalCache>(std::nullopt, state,
[&]() { return toValue(state).first; });
return {{evalCache->getRoot(), ""}};
}
@ -304,8 +304,9 @@ struct InstallableStorePath : Installable
{
if (storePath.isDerivation()) {
std::map<std::string, StorePath> outputs;
for (auto & [name, output] : store->readDerivation(storePath).outputs)
outputs.emplace(name, output.path);
auto drv = store->readDerivation(storePath);
for (auto & [name, output] : drv.outputs)
outputs.emplace(name, output.path(*store, drv.name));
return {
Buildable {
.drvPath = storePath,
@ -436,9 +437,11 @@ ref<eval_cache::EvalCache> openEvalCache(
std::shared_ptr<flake::LockedFlake> lockedFlake,
bool useEvalCache)
{
return ref(std::make_shared<nix::eval_cache::EvalCache>(
useEvalCache && evalSettings.pureEval,
lockedFlake->getFingerprint(),
auto fingerprint = lockedFlake->getFingerprint();
return make_ref<nix::eval_cache::EvalCache>(
useEvalCache && evalSettings.pureEval
? std::optional { std::cref(fingerprint) }
: std::nullopt,
state,
[&state, lockedFlake]()
{
@ -456,7 +459,7 @@ ref<eval_cache::EvalCache> openEvalCache(
assert(aOutputs);
return aOutputs->value;
}));
});
}
static std::string showAttrPaths(const std::vector<std::string> & paths)
@ -642,7 +645,7 @@ std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
}
Buildables build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables)
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode)
{
if (mode == Realise::Nothing)
settings.readOnlyMode = true;
@ -668,7 +671,7 @@ Buildables build(ref<Store> store, Realise mode,
if (mode == Realise::Nothing)
printMissing(store, pathsToBuild, lvlError);
else if (mode == Realise::Outputs)
store->buildPaths(pathsToBuild);
store->buildPaths(pathsToBuild, bMode);
return buildables;
}

2
src/nix/make-content-addressable.cc
View file

@ -84,7 +84,7 @@ struct CmdMakeContentAddressable : StorePathsCommand, MixJSON
info.narSize = sink.s->size();
info.ca = FixedOutputHash {
.method = FileIngestionMethod::Recursive,
.hash = info.narHash,
.hash = *info.narHash,
};
if (!json)

2
src/nix/path-info.cc
View file

@ -61,7 +61,7 @@ struct CmdPathInfo : StorePathsCommand, MixJSON
};
}
void printSize(unsigned long long value)
void printSize(uint64_t value)
{
if (!humanReadable) {
std::cout << fmt("\t%11d", value);

2
src/nix/profile.cc
View file

@ -133,7 +133,7 @@ struct ProfileManifest
info.references = std::move(references);
info.narHash = narHash;
info.narSize = sink.s->size();
info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = info.narHash };
info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = *info.narHash };
auto source = StringSource { *sink.s };
store->addToStore(info, source);

4
src/nix/repl.cc
View file

@ -483,10 +483,10 @@ bool NixRepl::processLine(string line)
but doing it in a child makes it easier to recover from
problems / SIGINT. */
if (runProgram(settings.nixBinDir + "/nix", Strings{"build", "--no-link", drvPath}) == 0) {
auto drv = readDerivation(*state->store, drvPath);
auto drv = readDerivation(*state->store, drvPath, Derivation::nameFromPath(state->store->parseStorePath(drvPath)));
std::cout << std::endl << "this derivation produced the following outputs:" << std::endl;
for (auto & i : drv.outputs)
std::cout << fmt(" %s -> %s\n", i.first, state->store->printStorePath(i.second.path));
std::cout << fmt(" %s -> %s\n", i.first, state->store->printStorePath(i.second.path(*state->store, drv.name)));
}
} else if (command == ":i") {
runProgram(settings.nixBinDir + "/nix-env", Strings{"-i", drvPath});

8
src/nix/show-derivation.cc
View file

@ -69,10 +69,10 @@ struct CmdShowDerivation : InstallablesCommand
auto outputsObj(drvObj.object("outputs"));
for (auto & output : drv.outputs) {
auto outputObj(outputsObj.object(output.first));
outputObj.attr("path", store->printStorePath(output.second.path));
if (output.second.hash) {
outputObj.attr("hashAlgo", output.second.hash->printMethodAlgo());
outputObj.attr("hash", output.second.hash->hash.to_string(Base16, false));
outputObj.attr("path", store->printStorePath(output.second.path(*store, drv.name)));
if (auto hash = std::get_if<DerivationOutputFixed>(&output.second.output)) {
outputObj.attr("hashAlgo", hash->hash.printMethodAlgo());
outputObj.attr("hash", hash->hash.hash.to_string(Base16, false));
}
}
}

8
src/nix/verify.cc
View file

@ -91,15 +91,15 @@ struct CmdVerify : StorePathsCommand
std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca)
hashSink = std::make_unique<HashSink>(*info->narHash.type);
hashSink = std::make_unique<HashSink>(info->narHash->type);
else
hashSink = std::make_unique<HashModuloSink>(*info->narHash.type, std::string(info->path.hashPart()));
hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart()));
store->narFromPath(info->path, *hashSink);
auto hash = hashSink->finish();
if (hash.first != info->narHash) {
if (hash.first != *info->narHash) {
corrupted++;
act2.result(resCorruptedPath, store->printStorePath(info->path));
logError({
@ -107,7 +107,7 @@ struct CmdVerify : StorePathsCommand
.hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(info->path),
info->narHash.to_string(Base32, true),
info->narHash->to_string(Base32, true),
hash.first.to_string(Base32, true))
});
}

14
tests/check.sh
View file

@ -61,30 +61,30 @@ nix-build check.nix -A nondeterministic --no-out-link --repeat 1 2> $TEST_ROOT/l
[ "$status" = "1" ]
grep 'differs from previous round' $TEST_ROOT/log
path=$(nix-build check.nix -A fetchurl --no-out-link --hashed-mirrors '')
path=$(nix-build check.nix -A fetchurl --no-out-link)
chmod +w $path
echo foo > $path
chmod -w $path
nix-build check.nix -A fetchurl --no-out-link --check --hashed-mirrors ''
nix-build check.nix -A fetchurl --no-out-link --check
# Note: "check" doesn't repair anything, it just compares to the hash stored in the database.
[[ $(cat $path) = foo ]]
nix-build check.nix -A fetchurl --no-out-link --repair --hashed-mirrors ''
nix-build check.nix -A fetchurl --no-out-link --repair
[[ $(cat $path) != foo ]]
nix-build check.nix -A hashmismatch --no-out-link --hashed-mirrors '' || status=$?
nix-build check.nix -A hashmismatch --no-out-link || status=$?
[ "$status" = "102" ]
echo -n > ./dummy
nix-build check.nix -A hashmismatch --no-out-link --hashed-mirrors ''
nix-build check.nix -A hashmismatch --no-out-link
echo 'Hello World' > ./dummy
nix-build check.nix -A hashmismatch --no-out-link --check --hashed-mirrors '' || status=$?
nix-build check.nix -A hashmismatch --no-out-link --check || status=$?
[ "$status" = "102" ]
# Multiple failures with --keep-going
nix-build check.nix -A nondeterministic --no-out-link
nix-build check.nix -A nondeterministic -A hashmismatch --no-out-link --check --keep-going --hashed-mirrors '' || status=$?
nix-build check.nix -A nondeterministic -A hashmismatch --no-out-link --check --keep-going || status=$?
[ "$status" = "110" ]

8
tests/fetchGit.sh
View file

@ -32,6 +32,8 @@ rev2=$(git -C $repo rev-parse HEAD)
# Fetch a worktree
unset _NIX_FORCE_HTTP
path0=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$TEST_ROOT/worktree).outPath")
path0_=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = file://$TEST_ROOT/worktree; }).outPath")
[[ $path0 = $path0_ ]]
export _NIX_FORCE_HTTP=1
[[ $(tail -n 1 $path0/hello) = "hello" ]]
@ -102,6 +104,12 @@ git -C $repo commit -m 'Bla3' -a
path4=$(nix eval --impure --refresh --raw --expr "(builtins.fetchGit file://$repo).outPath")
[[ $path2 = $path4 ]]
nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-B5yIPHhEm0eysJKEsO7nqxprh9vcblFxpJG11gXJus1=\"; }).outPath" || status=$?
[[ "$status" = "102" ]]
path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-Hr8g6AqANb3xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath")
[[ $path = $path5 ]]
# tarball-ttl should be ignored if we specify a rev
echo delft > $repo/hello
git -C $repo add hello

24
tests/fetchurl.sh
View file

@ -5,7 +5,7 @@ clearStore
# Test fetching a flat file.
hash=$(nix-hash --flat --type sha256 ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha256 $hash --no-out-link --hashed-mirrors '')
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha256 $hash --no-out-link)
cmp $outPath fetchurl.sh
@ -14,7 +14,7 @@ clearStore
hash=$(nix hash-file --type sha512 --base64 ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha512 $hash --no-out-link --hashed-mirrors '')
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha512 $hash --no-out-link)
cmp $outPath fetchurl.sh
@ -25,26 +25,24 @@ hash=$(nix hash-file ./fetchurl.sh)
[[ $hash =~ ^sha256- ]]
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr hash $hash --no-out-link --hashed-mirrors '')
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr hash $hash --no-out-link)
cmp $outPath fetchurl.sh
# Test the hashed mirror feature.
# Test that we can substitute from a different store dir.
clearStore
hash=$(nix hash-file --type sha512 --base64 ./fetchurl.sh)
hash32=$(nix hash-file --type sha512 --base16 ./fetchurl.sh)
other_store=file://$TEST_ROOT/other_store?store=/fnord/store
mirror=$TEST_ROOT/hashed-mirror
rm -rf $mirror
mkdir -p $mirror/sha512
ln -s $(pwd)/fetchurl.sh $mirror/sha512/$hash32
hash=$(nix hash-file --type sha256 --base16 ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha512 $hash --no-out-link --hashed-mirrors "file://$mirror")
storePath=$(nix --store $other_store add-to-store --flat ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)
# Test hashed mirrors with an SRI hash.
nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix to-sri --type sha512 $hash) \
--argstr name bla --no-out-link --hashed-mirrors "file://$mirror"
nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix to-sri --type sha256 $hash) \
--no-out-link --substituters $other_store
# Test unpacking a NAR.
rm -rf $TEST_ROOT/archive

18
tests/filter-source.sh
View file

@ -10,10 +10,16 @@ touch $TEST_ROOT/filterin/bak
touch $TEST_ROOT/filterin/bla.c.bak
ln -s xyzzy $TEST_ROOT/filterin/link
nix-build ./filter-source.nix -o $TEST_ROOT/filterout
checkFilter() {
test ! -e $1/foo/bar
test -e $1/xyzzy
test -e $1/bak
test ! -e $1/bla.c.bak
test ! -L $1/link
}
test ! -e $TEST_ROOT/filterout/foo/bar
test -e $TEST_ROOT/filterout/xyzzy
test -e $TEST_ROOT/filterout/bak
test ! -e $TEST_ROOT/filterout/bla.c.bak
test ! -L $TEST_ROOT/filterout/link
nix-build ./filter-source.nix -o $TEST_ROOT/filterout1
checkFilter $TEST_ROOT/filterout1
nix-build ./path.nix -o $TEST_ROOT/filterout2
checkFilter $TEST_ROOT/filterout2

14
tests/path.nix Normal file
View file

@ -0,0 +1,14 @@
with import ./config.nix;
mkDerivation {
name = "filter";
builder = builtins.toFile "builder" "ln -s $input $out";
input =
builtins.path {
path = ((builtins.getEnv "TEST_ROOT") + "/filterin");
filter = path: type:
type != "symlink"
&& baseNameOf path != "foo"
&& !((import ./lang/lib.nix).hasSuffix ".bak" (baseNameOf path));
};
}

11
tests/tarball.sh
View file

@ -27,10 +27,13 @@ test_tarball() {
nix-build -o $TEST_ROOT/result -E "import (fetchTarball file://$tarball)"
nix-build --experimental-features flakes -o $TEST_ROOT/result -E "import (fetchTree file://$tarball)"
nix-build --experimental-features flakes -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; })"
nix-build --experimental-features flakes -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })"
nix-build --experimental-features flakes -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"sha256-xdKv2pq/IiwLSnBBJXW8hNowI4MrdZfW+SYqDQs7Tzc=\"; })" 2>&1 | grep 'NAR hash mismatch in input'
nix-build -o $TEST_ROOT/result -E "import (fetchTree file://$tarball)"
nix-build -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; })"
nix-build -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })"
nix-build -o $TEST_ROOT/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"sha256-xdKv2pq/IiwLSnBBJXW8hNowI4MrdZfW+SYqDQs7Tzc=\"; })" 2>&1 | grep 'NAR hash mismatch in input'
nix-instantiate --strict --eval -E "!((import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })) ? submodules)" >&2
nix-instantiate --strict --eval -E "!((import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })) ? submodules)" 2>&1 | grep 'true'
nix-instantiate --eval -E '1 + 2' -I fnord=file://no-such-tarball.tar$ext
nix-instantiate --eval -E 'with <fnord/xyzzy>; 1 + 2' -I fnord=file://no-such-tarball$ext