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fix the hash rewriting for ca-derivations

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This commit is contained in:
regnat 2020-11-25 11:20:03 +01:00
parent 605bacdc92
commit 13c557fe82
2 changed files with 20 additions and 3 deletions
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14
src/libstore/build/derivation-goal.cc
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@ -3121,6 +3121,20 @@ void DerivationGoal::registerOutputs()
newInfo0.references = refs.second;
if (refs.first)
newInfo0.references.insert(newInfo0.path);
if (scratchPath != newInfo0.path) {
// Also rewrite the output path
auto source = sinkToSource([&](Sink & nextSink) {
StringSink sink;
dumpPath(actualPath, sink);
RewritingSink rsink2(oldHashPart, std::string(newInfo0.path.hashPart()), nextSink);
rsink2((unsigned char *) sink.s->data(), sink.s->size());
rsink2.flush();
});
Path tmpPath = actualPath + ".tmp";
restorePath(tmpPath, *source);
deletePath(actualPath);
movePath(tmpPath, actualPath);
}
assert(newInfo0.ca);
return newInfo0;

9
tests/content-addressed.nix
View file

@ -16,14 +16,16 @@ rec {
};
rootCA = mkDerivation {
name = "rootCA";
outputs = [ "out" "dev" ];
outputs = [ "out" "dev" "foo"];
buildCommand = ''
echo "building a CA derivation"
echo "The seed is ${toString seed}"
mkdir -p $out
echo ${rootLegacy}/hello > $out/dep
# test symlink at root
ln -s $out $out/self
# test symlinks at root
ln -s $out $dev
ln -s $out $foo
'';
__contentAddressed = true;
outputHashMode = "recursive";
@ -34,7 +36,8 @@ rec {
buildCommand = ''
echo "building a dependent derivation"
mkdir -p $out
echo ${rootCA}/hello > $out/dep
cat ${rootCA}/self/dep
echo ${rootCA}/self/dep > $out/dep
'';
__contentAddressed = true;
outputHashMode = "recursive";