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Use RealisedPaths in copyPaths

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That way we can copy the realisations too (in addition to the store
paths themselves)
This commit is contained in:
regnat 2020-12-14 19:43:53 +01:00
parent c189031e8b
commit 2e199673a5
4 changed files with 31 additions and 28 deletions
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31
src/libstore/store-api.cc
View file

@ -783,6 +783,24 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
}
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore, const RealisedPath::Set & paths,
RepairFlag repair, CheckSigsFlag checkSigs, SubstituteFlag substitute)
{
StorePathSet storePaths;
std::set<Realisation> realisations;
for (auto path : paths) {
storePaths.insert(path.path());
if (auto realisation = std::get_if<Realisation>(&path.raw))
realisations.insert(*realisation);
}
auto pathsMap = copyPaths(srcStore, dstStore, storePaths, repair, checkSigs, substitute);
for (auto& realisation : realisations) {
dstStore->registerDrvOutput(realisation);
}
return pathsMap;
}
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & storePaths,
RepairFlag repair, CheckSigsFlag checkSigs, SubstituteFlag substitute)
{
@ -796,7 +814,6 @@ std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStor
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()));
@ -871,21 +888,9 @@ std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStor
nrDone++;
showProgress();
});
return pathsMap;
}
void copyClosure(ref<Store> srcStore, ref<Store> dstStore,
const StorePathSet & storePaths, RepairFlag repair, CheckSigsFlag checkSigs,
SubstituteFlag substitute)
{
StorePathSet closure;
srcStore->computeFSClosure(storePaths, closure);
copyPaths(srcStore, dstStore, closure, repair, checkSigs, substitute);
}
std::optional<ValidPathInfo> decodeValidPathInfo(const Store & store, std::istream & str, std::optional<HashResult> hashGiven)
{
std::string path;

9
src/libstore/store-api.hh
View file

@ -752,15 +752,12 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
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,
const RealisedPath::Set&,
RepairFlag repair = NoRepair,
CheckSigsFlag checkSigs = CheckSigs,
SubstituteFlag substitute = NoSubstitute);
/* Copy the closure of the specified paths from one store to another. */
void copyClosure(ref<Store> srcStore, ref<Store> dstStore,
const StorePathSet & storePaths,
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore,
const StorePathSet& paths,
RepairFlag repair = NoRepair,
CheckSigsFlag checkSigs = CheckSigs,
SubstituteFlag substitute = NoSubstitute);

6
src/nix-copy-closure/nix-copy-closure.cc
View file

@ -50,12 +50,12 @@ static int main_nix_copy_closure(int argc, char ** argv)
auto to = toMode ? openStore(remoteUri) : openStore();
auto from = toMode ? openStore() : openStore(remoteUri);
StorePathSet storePaths2;
RealisedPath::Set storePaths2;
for (auto & path : storePaths)
storePaths2.insert(from->followLinksToStorePath(path));
StorePathSet closure;
from->computeFSClosure(storePaths2, closure, false, includeOutputs);
RealisedPath::Set closure;
RealisedPath::closure(*from, storePaths2, closure);
copyPaths(from, to, closure, NoRepair, NoCheckSigs, useSubstitutes);

13
src/nix/copy.cc
View file

@ -8,7 +8,7 @@
using namespace nix;
struct CmdCopy : StorePathsCommand
struct CmdCopy : RealisedPathsCommand
{
std::string srcUri, dstUri;
@ -16,10 +16,10 @@ struct CmdCopy : StorePathsCommand
SubstituteFlag substitute = NoSubstitute;
using StorePathsCommand::run;
using RealisedPathsCommand::run;
CmdCopy()
: StorePathsCommand(true)
: RealisedPathsCommand(true)
{
addFlag({
.longName = "from",
@ -75,14 +75,15 @@ struct CmdCopy : StorePathsCommand
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
StorePathsCommand::run(store);
RealisedPathsCommand::run(store);
}
void run(ref<Store> srcStore, StorePaths storePaths) override
void run(ref<Store> srcStore, std::vector<RealisedPath> paths) override
{
ref<Store> dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
copyPaths(srcStore, dstStore, StorePathSet(storePaths.begin(), storePaths.end()),
copyPaths(
srcStore, dstStore, RealisedPath::Set(paths.begin(), paths.end()),
NoRepair, checkSigs, substitute);
}
};