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Merge pull request #8015 from tweag/progress-during-nix-copy

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Display progress when running copyPaths (nix copy)
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Théophane Hufschmitt 2023-03-10 16:23:22 +01:00 committed by GitHub
commit 99af56cd0d
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1 changed files with 9 additions and 1 deletions
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10
src/libstore/store-api.cc
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@ -1101,6 +1101,8 @@ std::map<StorePath, StorePath> copyPaths(
return storePathForDst;
};
uint64_t total = 0;
for (auto & missingPath : sortedMissing) {
auto info = srcStore.queryPathInfo(missingPath);
@ -1121,7 +1123,13 @@ std::map<StorePath, StorePath> copyPaths(
{storePathS, srcUri, dstUri});
PushActivity pact(act.id);
srcStore.narFromPath(missingPath, sink);
LambdaSink progressSink([&](std::string_view data) {
total += data.size();
act.progress(total, info->narSize);
});
TeeSink tee { sink, progressSink };
srcStore.narFromPath(missingPath, tee);
});
pathsToCopy.push_back(std::pair{infoForDst, std::move(source)});
}