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Move NAR-related commands to 'nix nar'

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This commit is contained in:
Eelco Dolstra 2020-07-24 20:42:24 +02:00
parent 79c1967ded
commit ef583303f0
6 changed files with 54 additions and 27 deletions
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6
src/nix/cat.cc
View file

@ -64,13 +64,11 @@ struct CmdCatNar : StoreCommand, MixCat
return "print the contents of a file inside a NAR file on stdout";
}
Category category() override { return catUtility; }
void run(ref<Store> store) override
{
cat(makeNarAccessor(make_ref<std::string>(readFile(narPath))));
}
};
static auto rCmdCatStore = registerCommand<CmdCatStore>("cat-store");
static auto rCmdCatNar = registerCommand<CmdCatNar>("cat-nar");
static auto rCmdCatStore = registerCommand2<CmdCatStore>({"store", "cat"});
static auto rCmdCatNar = registerCommand2<CmdCatNar>({"nar", "cat"});

8
src/nix/ls.cc
View file

@ -134,7 +134,7 @@ struct CmdLsNar : Command, MixLs
return {
Example{
"To list a specific file in a NAR:",
"nix ls-nar -l hello.nar /bin/hello"
"nix nar ls -l hello.nar /bin/hello"
},
};
}
@ -144,13 +144,11 @@ struct CmdLsNar : Command, MixLs
return "show information about a path inside a NAR file";
}
Category category() override { return catUtility; }
void run() override
{
list(makeNarAccessor(make_ref<std::string>(readFile(narPath))));
}
};
static auto rCmdLsStore = registerCommand<CmdLsStore>("ls-store");
static auto rCmdLsNar = registerCommand<CmdLsNar>("ls-nar");
static auto rCmdLsStore = registerCommand2<CmdLsStore>({"store", "ls"});
static auto rCmdLsNar = registerCommand2<CmdLsNar>({"nar", "ls"});

31
src/nix/nar.cc Normal file
View file

@ -0,0 +1,31 @@
#include "command.hh"
using namespace nix;
struct CmdNar : NixMultiCommand
{
CmdNar() : MultiCommand(RegisterCommand::getCommandsFor({"nar"}))
{ }
std::string description() override
{
return "query the contents of NAR files";
}
Category category() override { return catUtility; }
void run() override
{
if (!command)
throw UsageError("'nix nar' requires a sub-command.");
command->second->prepare();
command->second->run();
}
void printHelp(const string & programName, std::ostream & out) override
{
MultiCommand::printHelp(programName, out);
}
};
static auto rCmdNar = registerCommand<CmdNar>("nar");

6
tests/binary-cache.sh
View file

@ -196,13 +196,13 @@ narCache=$TEST_ROOT/nar-cache
rm -rf $narCache
mkdir $narCache
[[ $(nix cat-store --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
[[ $(nix store cat --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
rm -rfv "$cacheDir/nar"
[[ $(nix cat-store --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
[[ $(nix store cat --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
(! nix cat-store --store file://$cacheDir $outPath/foobar)
(! nix store cat --store file://$cacheDir $outPath/foobar)
# Test NAR listing generation.

4
tests/linux-sandbox.sh
View file

@ -22,9 +22,9 @@ outPath=$(nix-build dependencies.nix --no-out-link --sandbox-paths /nix/store)
nix path-info -r $outPath | grep input-2
nix ls-store -R -l $outPath | grep foobar
nix store ls -R -l $outPath | grep foobar
nix cat-store $outPath/foobar | grep FOOBAR
nix store cat $outPath/foobar | grep FOOBAR
# Test --check without hash rewriting.
nix-build dependencies.nix --no-out-link --check --sandbox-paths /nix/store

26
tests/nar-access.sh
View file

@ -9,45 +9,45 @@ cd "$TEST_ROOT"
narFile="$TEST_ROOT/path.nar"
nix-store --dump $storePath > $narFile
# Check that find and ls-nar match.
# Check that find and nar ls match.
( cd $storePath; find . | sort ) > files.find
nix ls-nar -R -d $narFile "" | sort > files.ls-nar
nix nar ls -R -d $narFile "" | sort > files.ls-nar
diff -u files.find files.ls-nar
# Check that file contents of data match.
nix cat-nar $narFile /foo/data > data.cat-nar
nix nar cat $narFile /foo/data > data.cat-nar
diff -u data.cat-nar $storePath/foo/data
# Check that file contents of baz match.
nix cat-nar $narFile /foo/baz > baz.cat-nar
nix nar cat $narFile /foo/baz > baz.cat-nar
diff -u baz.cat-nar $storePath/foo/baz
nix cat-store $storePath/foo/baz > baz.cat-nar
nix store cat $storePath/foo/baz > baz.cat-nar
diff -u baz.cat-nar $storePath/foo/baz
# Test --json.
diff -u \
<(nix ls-nar --json $narFile / | jq -S) \
<(nix nar ls --json $narFile / | jq -S) \
<(echo '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' | jq -S)
diff -u \
<(nix ls-nar --json -R $narFile /foo | jq -S) \
<(nix nar ls --json -R $narFile /foo | jq -S) \
<(echo '{"type":"directory","entries":{"bar":{"type":"regular","size":0,"narOffset":368},"baz":{"type":"regular","size":0,"narOffset":552},"data":{"type":"regular","size":58,"narOffset":736}}}' | jq -S)
diff -u \
<(nix ls-nar --json -R $narFile /foo/bar | jq -S) \
<(nix nar ls --json -R $narFile /foo/bar | jq -S) \
<(echo '{"type":"regular","size":0,"narOffset":368}' | jq -S)
diff -u \
<(nix ls-store --json $storePath | jq -S) \
<(nix store ls --json $storePath | jq -S) \
<(echo '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' | jq -S)
diff -u \
<(nix ls-store --json -R $storePath/foo | jq -S) \
<(nix store ls --json -R $storePath/foo | jq -S) \
<(echo '{"type":"directory","entries":{"bar":{"type":"regular","size":0},"baz":{"type":"regular","size":0},"data":{"type":"regular","size":58}}}' | jq -S)
diff -u \
<(nix ls-store --json -R $storePath/foo/bar| jq -S) \
<(nix store ls --json -R $storePath/foo/bar| jq -S) \
<(echo '{"type":"regular","size":0}' | jq -S)
# Test missing files.
nix ls-store --json -R $storePath/xyzzy 2>&1 | grep 'does not exist in NAR'
nix ls-store $storePath/xyzzy 2>&1 | grep 'does not exist'
nix store ls --json -R $storePath/xyzzy 2>&1 | grep 'does not exist in NAR'
nix store ls $storePath/xyzzy 2>&1 | grep 'does not exist'
# Test failure to dump.
if nix-store --dump $storePath >/dev/full ; then