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Include the output name in the GC root link

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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.
This commit is contained in:
Eelco Dolstra 2012-08-24 16:58:11 -04:00
parent 4aa1e5c554
commit a9e6752bbd
5 changed files with 18 additions and 23 deletions
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10
src/nix-store/nix-store.cc
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@ -64,15 +64,19 @@ static PathSet realisePath(const Path & path)
if (isDerivation(path)) {
store->buildPaths(singleton<PathSet>(path));
Derivation drv = derivationFromPath(*store, path);
rootNr++;
PathSet outputs;
foreach (DerivationOutputs::iterator, i, drv.outputs) {
Path outPath = i->second.path;
if (gcRoot == "")
printGCWarning();
else
outPath = addPermRoot(*store, outPath,
makeRootName(gcRoot, rootNr), indirectRoot);
else {
Path rootName = gcRoot;
if (rootNr > 1) rootName += "-" + int2String(rootNr);
if (i->first != "out") rootName += "-" + i->first;
outPath = addPermRoot(*store, outPath, rootName, indirectRoot);
}
outputs.insert(outPath);
}
return outputs;