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https://github.com/privatevoid-net/nix-super.git
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3876238546
This is needed to get the path of a derivation that might not exist (e.g. for 'nix store copy-log'). InstallableStorePath::toDerivedPaths() cannot be used for this because it calls readDerivation(), so it fails if the store doesn't have the derivation.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#include "command.hh"
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#include "shared.hh"
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#include "store-api.hh"
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#include "sync.hh"
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#include "thread-pool.hh"
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#include <atomic>
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using namespace nix;
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struct CmdCopyLog : virtual CopyCommand, virtual InstallablesCommand
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{
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std::string description() override
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{
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return "copy build logs between Nix stores";
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}
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std::string doc() override
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{
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return
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#include "store-copy-log.md"
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;
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}
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Category category() override { return catUtility; }
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void run(ref<Store> srcStore) override
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{
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auto dstStore = getDstStore();
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StorePathSet drvPaths;
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for (auto & i : installables)
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for (auto & drvPath : i->toDrvPaths(getEvalStore()))
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drvPaths.insert(drvPath);
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for (auto & drvPath : drvPaths) {
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if (auto log = srcStore->getBuildLog(drvPath))
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dstStore->addBuildLog(drvPath, *log);
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else
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throw Error("build log for '%s' is not available", srcStore->printStorePath(drvPath));
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}
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}
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};
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static auto rCmdCopyLog = registerCommand2<CmdCopyLog>({"store", "copy-log"});
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