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Display progress when running copyPaths (nix copy)

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`nix copy` operations did not show progress. This is quite confusing.

Add a `progressSink` which displays the progress during `copyPaths`,
pretty much copied from `copyStorePath`.

Fixes https://github.com/NixOS/nix/issues/8000
This commit is contained in:
Alexander Bantyev 2023-03-09 16:03:48 +04:00
parent 8730d3002f
commit 4bef2016a1
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GPG key ID: 48ABA304F3A30FE9
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)});
}