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--option build-repeat: Keep the differing output if -K is given

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Similar to 00903fa799. Regardless of -K,
we now also print which output differs.
This commit is contained in:
Eelco Dolstra 2016-01-12 18:25:57 +01:00
parent 8906eda2f9
commit 786046cf13
1 changed files with 38 additions and 7 deletions
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39
src/libstore/build.cc
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@ -2637,6 +2637,8 @@ void DerivationGoal::registerOutputs()
outputs to allow hard links between outputs. */
InodesSeen inodesSeen;
Path checkSuffix = "-check";
/* Check whether the output paths were created, and grep each
output path to determine what other paths it references. Also make all
output paths read-only. */
@ -2750,7 +2752,7 @@ void DerivationGoal::registerOutputs()
ValidPathInfo info = worker.store.queryPathInfo(path);
if (hash.first != info.hash) {
if (settings.keepFailed) {
Path dst = path + "-check";
Path dst = path + checkSuffix;
if (pathExists(dst)) deletePath(dst);
if (rename(actualPath.c_str(), dst.c_str()))
throw SysError(format("renaming ‘%1%’ to ‘%2%’") % actualPath % dst);
@ -2804,9 +2806,11 @@ void DerivationGoal::registerOutputs()
checkRefs("disallowedReferences", false, false);
checkRefs("disallowedRequisites", false, true);
if (curRound == nrRounds) {
worker.store.optimisePath(path); // FIXME: combine with scanForReferences()
worker.store.markContentsGood(path);
}
ValidPathInfo info;
info.path = path;
@ -2819,10 +2823,37 @@ void DerivationGoal::registerOutputs()
if (buildMode == bmCheck) return;
if (curRound > 1 && prevInfos != infos)
/* Compare the result with the previous round, and report which
path is different, if any.*/
if (curRound > 1 && prevInfos != infos) {
assert(prevInfos.size() == infos.size());
for (auto i = prevInfos.begin(), j = infos.begin(); i != prevInfos.end(); ++i, ++j)
if (!(*i == *j)) {
Path prev = i->path + checkSuffix;
if (pathExists(prev))
throw NotDeterministic(
format("result of ‘%1%’ differs from previous round; rejecting as non-deterministic")
% drvPath);
format("output ‘%1%’ of ‘%2%’ differs from ‘%3%’ from previous round")
% i->path % drvPath % prev);
else
throw NotDeterministic(
format("output ‘%1%’ of ‘%2%’ differs from previous round")
% i->path % drvPath);
}
assert(false); // shouldn't happen
}
if (settings.keepFailed) {
for (auto & i : drv->outputs) {
Path prev = i.second.path + checkSuffix;
if (pathExists(prev)) deletePath(prev);
if (curRound < nrRounds) {
Path dst = i.second.path + checkSuffix;
if (rename(i.second.path.c_str(), dst.c_str()))
throw SysError(format("renaming ‘%1%’ to ‘%2%’") % i.second.path % dst);
}
}
}
if (curRound < nrRounds) {
prevInfos = infos;