BinaryCacheStore: Implement getBuildLog()
We assume that build logs are stored under log/<drv>, e.g. /nix/store/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv maps to https://cache.nixos.org/log/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv
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3 changed files with 31 additions and 1 deletions
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@ -382,4 +382,28 @@ ref<FSAccessor> BinaryCacheStore::getFSAccessor()
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return make_ref<RemoteFSAccessor>(ref<Store>(shared_from_this()));
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}
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std::shared_ptr<std::string> BinaryCacheStore::getBuildLog(const Path & path)
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{
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Path drvPath;
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if (isDerivation(path))
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drvPath = path;
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else {
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try {
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auto info = queryPathInfo(path);
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// FIXME: add a "Log" field to .narinfo
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if (info->deriver == "") return nullptr;
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drvPath = info->deriver;
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} catch (InvalidPath &) {
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return nullptr;
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}
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}
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auto logPath = "log/" + baseNameOf(drvPath);
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debug("fetching build log from binary cache ‘%s/%s’", getUri(), logPath);
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return getFile(logPath);
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}
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}
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@ -122,6 +122,8 @@ public:
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void addSignatures(const Path & storePath, const StringSet & sigs) override
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{ notImpl(); }
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std::shared_ptr<std::string> getBuildLog(const Path & path) override;
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};
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}
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@ -95,7 +95,11 @@ std::shared_ptr<std::string> LocalFSStore::getBuildLog(const Path & path_)
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assertStorePath(path);
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if (!isDerivation(path)) {
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path = queryPathInfo(path)->deriver;
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try {
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path = queryPathInfo(path)->deriver;
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} catch (InvalidPath &) {
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return nullptr;
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}
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if (path == "") return nullptr;
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}
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