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StorePath: Rewrite in C++

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On nix-env -qa -f '<nixpkgs>', this reduces maximum RSS by 20970 KiB
and runtime by 0.8%. This is mostly because we're not parsing the hash
part as a hash anymore (just validating that it consists of base-32
characters).

Also, replace storePathToHash() by StorePath::hashPart().
This commit is contained in:
Eelco Dolstra 2020-06-16 14:16:39 +02:00
parent 72e17290d4
commit 759947bf72
21 changed files with 110 additions and 111 deletions
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4
src/libstore/nar-info.cc
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@ -56,11 +56,11 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
auto refs = tokenizeString<Strings>(value, " ");
if (!references.empty()) corrupt();
for (auto & r : refs)
references.insert(StorePath::fromBaseName(r));
references.insert(StorePath(r));
}
else if (name == "Deriver") {
if (value != "unknown-deriver")
deriver = StorePath::fromBaseName(value);
deriver = StorePath(value);
}
else if (name == "System")
system = value;