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Added a way to include derivation with its outputs and dependencies - exportBuildReferenceGraph

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Michael Raskin 2007-12-30 09:30:56 +00:00
parent df303666bc
commit 2196cb67c5
1 changed files with 38 additions and 0 deletions
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38
src/libstore/build.cc
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@ -1619,6 +1619,44 @@ void DerivationGoal::startBuilder()
makeValidityRegistration(refs, false));
}
// The same for derivations
s = drv.env["exportBuildReferencesGraph"];
ss = tokenizeString(s);
if (ss.size() % 2 != 0)
throw BuildError(format("odd number of tokens in `exportReferencesGraph': `%1%'") % s);
for (Strings::iterator i = ss.begin(); i != ss.end(); ) {
string fileName = *i++;
checkStoreName(fileName); /* !!! abuse of this function */
/* Check that the store path is valid. */
Path storePath = *i++;
if (!isInStore(storePath))
throw BuildError(format("`exportReferencesGraph' contains a non-store path `%1%'")
% storePath);
storePath = toStorePath(storePath);
if (!store->isValidPath(storePath))
throw BuildError(format("`exportReferencesGraph' contains an invalid path `%1%'")
% storePath);
/* Write closure info to `fileName'. */
PathSet refs1,refs;
computeFSClosure(storePath, refs1);
for (PathSet::iterator j = refs1.begin(); j != refs1.end() ; j++) {
refs.insert (*j);
if (isDerivation (*j)) {
Derivation deriv = derivationFromPath (*j);
for (DerivationOutputs::iterator k=deriv.outputs.begin();
k != deriv.outputs.end(); k++) {
refs.insert(k->second.path);
}
}
}
/* !!! in secure Nix, the writing should be done on the
build uid for security (maybe). */
writeStringToFile(tmpDir + "/" + fileName,
makeValidityRegistration(refs, false));
}
/* If `build-users-group' is not empty, then we have to build as
one of the members of that group. */