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Merge pull request #4464 from tweag/nar-narhash-addressed

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narinfo: Change NAR URLs to be addressed on the NAR hash instead of the compressed hash
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Eelco Dolstra 2021-02-09 14:47:39 +01:00 committed by GitHub
commit ee3846b587
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2 changed files with 2 additions and 6 deletions
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6
src/libstore/binary-cache-store.cc
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@ -176,11 +176,7 @@ ref<const ValidPathInfo> BinaryCacheStore::addToStoreCommon(
auto [fileHash, fileSize] = fileHashSink.finish(); auto [fileHash, fileSize] = fileHashSink.finish();
narInfo->fileHash = fileHash; narInfo->fileHash = fileHash;
narInfo->fileSize = fileSize; narInfo->fileSize = fileSize;
narInfo->url = "nar/" + narInfo->fileHash->to_string(Base32, false) + ".nar" narInfo->url = "nar/" + info.narHash.to_string(Base32, false) + ".nar";
+ (compression == "xz" ? ".xz" :
compression == "bzip2" ? ".bz2" :
compression == "br" ? ".br" :
"");
auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now2 - now1).count(); auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now2 - now1).count();
printMsg(lvlTalkative, "copying path '%1%' (%2% bytes, compressed %3$.1f%% in %4% ms) to binary cache", printMsg(lvlTalkative, "copying path '%1%' (%2% bytes, compressed %3$.1f%% in %4% ms) to binary cache",

2
tests/binary-cache.sh
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@ -60,7 +60,7 @@ basicDownloadTests
# Test whether Nix notices if the NAR doesn't match the hash in the NAR info. # Test whether Nix notices if the NAR doesn't match the hash in the NAR info.
clearStore clearStore
nar=$(ls $cacheDir/nar/*.nar.xz | head -n1) nar=$(ls $cacheDir/nar/*.nar | head -n1)
mv $nar $nar.good mv $nar $nar.good
mkdir -p $TEST_ROOT/empty mkdir -p $TEST_ROOT/empty
nix-store --dump $TEST_ROOT/empty | xz > $nar nix-store --dump $TEST_ROOT/empty | xz > $nar