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Fix segfault in builtin fetchurl with hashed mirrors + SRI hashes

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This commit is contained in:
Eelco Dolstra 2019-06-01 15:27:43 +02:00
parent 5450af5d0d
commit aec545c20b
2 changed files with 6 additions and 1 deletions
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3
src/libstore/builtins/fetchurl.cc
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@ -64,7 +64,8 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData)
try {
if (!hasSuffix(hashedMirror, "/")) hashedMirror += '/';
auto ht = parseHashType(getAttr("outputHashAlgo"));
fetch(hashedMirror + printHashType(ht) + "/" + Hash(getAttr("outputHash"), ht).to_string(Base16, false));
auto h = Hash(getAttr("outputHash"), ht);
fetch(hashedMirror + printHashType(h.type) + "/" + h.to_string(Base16, false));
return;
} catch (Error & e) {
debug(e.what());

4
tests/fetchurl.sh
View File

@ -42,6 +42,10 @@ ln -s $(pwd)/fetchurl.sh $mirror/sha512/$hash32
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha512 $hash --no-out-link --hashed-mirrors "file://$mirror")
# 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"
# Test unpacking a NAR.
rm -rf $TEST_ROOT/archive
mkdir -p $TEST_ROOT/archive