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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 referencesFN = tmpDir + "/references";
string s;
for (PathSet::iterator i = inputPaths.begin();
i != inputPaths.end(); ++i)
s += *i + "\n";
for (DerivationInputs::iterator i = drv.inputDrvs.begin();
i != drv.inputDrvs.end(); ++i)
s += i->first + "\n";
writeStringToFile(inputListFN, s);
/* The `inputs' file lists all inputs that have to be copied
to the remote system. This unfortunately has to contain
the entire derivation closure to ensure that the validity
invariant holds on the remote system. (I.e., it's
unfortunate that we have to list it since the remote system
*probably* already has it.) */
PathSet allInputs;
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 = "";
for (DerivationOutputs::iterator i = drv.outputs.begin();
i != drv.outputs.end(); ++i)
s += i->second.path + "\n";
writeStringToFile(outputListFN, s);
/* The `references' file has exactly the format accepted by
`nix-store --register-validity'. */
s = "";
for (PathSet::iterator i = inputPaths.begin();
i != inputPaths.end(); ++i)
for (PathSet::iterator i = allInputs.begin();
i != allInputs.end(); ++i)
{
s += *i;
s += *i + "\n";
Path deriver = queryDeriver(noTxn, *i);
s += deriver + "\n";
PathSet references;
queryReferences(noTxn, *i, references);
s += (format("%1%\n") % references.size()).str();
for (PathSet::iterator j = references.begin();
j != references.end(); ++j)
{
s += " ";
s += *j;
}
s += "\n";
s += *j + "\n";
}
writeStringToFile(referencesFN, s);
/* Tell the hook to proceed. */