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* Export the references graph to the build hook.

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This commit is contained in:
Eelco Dolstra 2005-03-23 13:16:36 +00:00
parent 3f236f01ae
commit 0df9f08078
1 changed files with 32 additions and 16 deletions
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48
src/libstore/build.cc
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@ -806,36 +806,52 @@ DerivationGoal::HookReply DerivationGoal::tryBuildHook()
Path outputListFN = tmpDir + "/outputs"; Path outputListFN = tmpDir + "/outputs";
Path referencesFN = tmpDir + "/references"; Path referencesFN = tmpDir + "/references";
string s; /* The `inputs' file lists all inputs that have to be copied
for (PathSet::iterator i = inputPaths.begin(); to the remote system. This unfortunately has to contain
i != inputPaths.end(); ++i) the entire derivation closure to ensure that the validity
s += *i + "\n"; invariant holds on the remote system. (I.e., it's
for (DerivationInputs::iterator i = drv.inputDrvs.begin(); unfortunate that we have to list it since the remote system
i != drv.inputDrvs.end(); ++i) *probably* already has it.) */
s += i->first + "\n"; PathSet allInputs;
writeStringToFile(inputListFN, s); allInputs.insert(inputPaths.begin(), inputPaths.end());
computeFSClosure(drvPath, allInputs);
string s;
for (PathSet::iterator i = allInputs.begin();
i != allInputs.end(); ++i)
s += *i + "\n";
writeStringToFile(inputListFN, s);
/* The `outputs' file lists all outputs that have to be copied
from the remote system. */
s = ""; s = "";
for (DerivationOutputs::iterator i = drv.outputs.begin(); for (DerivationOutputs::iterator i = drv.outputs.begin();
i != drv.outputs.end(); ++i) i != drv.outputs.end(); ++i)
s += i->second.path + "\n"; s += i->second.path + "\n";
writeStringToFile(outputListFN, s); writeStringToFile(outputListFN, s);
/* The `references' file has exactly the format accepted by
`nix-store --register-validity'. */
s = ""; s = "";
for (PathSet::iterator i = inputPaths.begin(); for (PathSet::iterator i = allInputs.begin();
i != inputPaths.end(); ++i) i != allInputs.end(); ++i)
{ {
s += *i; s += *i + "\n";
Path deriver = queryDeriver(noTxn, *i);
s += deriver + "\n";
PathSet references; PathSet references;
queryReferences(noTxn, *i, references); queryReferences(noTxn, *i, references);
s += (format("%1%\n") % references.size()).str();
for (PathSet::iterator j = references.begin(); for (PathSet::iterator j = references.begin();
j != references.end(); ++j) j != references.end(); ++j)
{ s += *j + "\n";
s += " ";
s += *j;
}
s += "\n";
} }
writeStringToFile(referencesFN, s); writeStringToFile(referencesFN, s);
/* Tell the hook to proceed. */ /* Tell the hook to proceed. */