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Include the output name in the GC root link
Output names are now appended to resulting GC symlinks, e.g. by nix-build. For backwards compatibility, if the output is named "out", nothing is appended. E.g. doing "nix-build -A foo" on a derivation that produces outputs "out", "bin" and "dev" will produce symlinks "./result", "./result-bin" and "./result-dev", respectively.
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5 changed files with 18 additions and 23 deletions
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@ -33,16 +33,6 @@ static void sigintHandler(int signo)
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}
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Path makeRootName(const Path & gcRoot, int & counter)
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{
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counter++;
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if (counter == 1)
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return gcRoot;
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else
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return (format("%1%-%2%") % gcRoot % counter).str();
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}
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void printGCWarning()
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{
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static bool haveWarned = false;
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@ -26,7 +26,6 @@ MakeError(UsageError, nix::Error);
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class StoreAPI;
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/* Ugh. No better place to put this. */
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Path makeRootName(const Path & gcRoot, int & counter);
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void printGCWarning();
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void printMissing(StoreAPI & store, const PathSet & paths);
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@ -64,9 +64,11 @@ void processExpr(EvalState & state, const Strings & attrPaths,
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Path drvPath = i->queryDrvPath(state);
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if (gcRoot == "")
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printGCWarning();
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else
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drvPath = addPermRoot(*store, drvPath,
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makeRootName(gcRoot, rootNr), indirectRoot);
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else {
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Path rootName = gcRoot;
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if (++rootNr > 1) rootName += "-" + int2String(rootNr);
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drvPath = addPermRoot(*store, drvPath, rootName, indirectRoot);
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}
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std::cout << format("%1%\n") % drvPath;
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}
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}
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@ -64,15 +64,19 @@ static PathSet realisePath(const Path & path)
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if (isDerivation(path)) {
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store->buildPaths(singleton<PathSet>(path));
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Derivation drv = derivationFromPath(*store, path);
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rootNr++;
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PathSet outputs;
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foreach (DerivationOutputs::iterator, i, drv.outputs) {
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Path outPath = i->second.path;
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if (gcRoot == "")
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printGCWarning();
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else
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outPath = addPermRoot(*store, outPath,
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makeRootName(gcRoot, rootNr), indirectRoot);
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else {
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Path rootName = gcRoot;
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if (rootNr > 1) rootName += "-" + int2String(rootNr);
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if (i->first != "out") rootName += "-" + i->first;
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outPath = addPermRoot(*store, outPath, rootName, indirectRoot);
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}
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outputs.insert(outPath);
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}
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return outputs;
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