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Debug when storePath changes

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these rewrites should be transparent, but they are important to know
about when debugging
This commit is contained in:
Matthew Bauer 2020-06-12 15:32:52 -05:00
parent e3cb536f19
commit 88120442d2
2 changed files with 8 additions and 3 deletions
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4
src/libstore/store-api.cc
View file

@ -661,6 +661,8 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & st
FileIngestionMethod ingestionMethod { info->ca.compare(6, 2, "r:") == 0 };
Hash hash(std::string(info->ca, ingestionMethod == FileIngestionMethod::Recursive ? 8 : 6));
storePathForDst = dstStore->makeFixedOutputPath(ingestionMethod, hash, storePath.name());
if (storePathForDst != storePath)
debug("rewriting path '%s' to '%s' for substituter '%s'", srcStore->printStorePath(storePath), dstStore->printStorePath(storePathForDst), dstStore->getUri());
}
if (dstStore->isValidPath(storePathForDst)) {
@ -687,6 +689,8 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & st
FileIngestionMethod ingestionMethod { info->ca.compare(6, 2, "r:") == 0 };
Hash hash(std::string(info->ca, ingestionMethod == FileIngestionMethod::Recursive ? 8 : 6));
storePathForDst = dstStore->makeFixedOutputPath(ingestionMethod, hash, storePath.name());
if (storePathForDst != storePath)
debug("rewriting path '%s' to '%s' for substituter '%s'", srcStore->printStorePath(storePath), dstStore->printStorePath(storePathForDst), dstStore->getUri());
}
if (!dstStore->isValidPath(storePathForDst)) {

7
tests/fetchurl.sh
View file

@ -35,12 +35,13 @@ clearStore
other_store=file://$TEST_ROOT/other_store
hash=$(nix hash-file --type sha256 --base16 ./fetchurl.sh)
storePath=$(nix add-to-store --store $other_store ./fetchurl.sh)
outPath=$(nix-build -vvvvvv '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)
storePath=$(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) \
nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix to-sri --type sha256 $hash) \
--argstr name bla --no-out-link --substituters $other_store
# Test unpacking a NAR.