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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. */ outputs to allow hard links between outputs. */
InodesSeen inodesSeen; InodesSeen inodesSeen;
Path checkSuffix = "-check";
/* Check whether the output paths were created, and grep each /* Check whether the output paths were created, and grep each
output path to determine what other paths it references. Also make all output path to determine what other paths it references. Also make all
output paths read-only. */ output paths read-only. */
@ -2750,7 +2752,7 @@ void DerivationGoal::registerOutputs()
ValidPathInfo info = worker.store.queryPathInfo(path); ValidPathInfo info = worker.store.queryPathInfo(path);
if (hash.first != info.hash) { if (hash.first != info.hash) {
if (settings.keepFailed) { if (settings.keepFailed) {
Path dst = path + "-check"; Path dst = path + checkSuffix;
if (pathExists(dst)) deletePath(dst); if (pathExists(dst)) deletePath(dst);
if (rename(actualPath.c_str(), dst.c_str())) if (rename(actualPath.c_str(), dst.c_str()))
throw SysError(format("renaming ‘%1%’ to ‘%2%’") % actualPath % dst); throw SysError(format("renaming ‘%1%’ to ‘%2%’") % actualPath % dst);
@ -2804,9 +2806,11 @@ void DerivationGoal::registerOutputs()
checkRefs("disallowedReferences", false, false); checkRefs("disallowedReferences", false, false);
checkRefs("disallowedRequisites", false, true); checkRefs("disallowedRequisites", false, true);
if (curRound == nrRounds) {
worker.store.optimisePath(path); // FIXME: combine with scanForReferences() worker.store.optimisePath(path); // FIXME: combine with scanForReferences()
worker.store.markContentsGood(path); worker.store.markContentsGood(path);
}
ValidPathInfo info; ValidPathInfo info;
info.path = path; info.path = path;
@ -2819,10 +2823,37 @@ void DerivationGoal::registerOutputs()
if (buildMode == bmCheck) return; 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( throw NotDeterministic(
format("result of ‘%1%’ differs from previous round; rejecting as non-deterministic") format("output ‘%1%’ of ‘%2%’ differs from ‘%3%’ from previous round")
% drvPath); % 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) { if (curRound < nrRounds) {
prevInfos = infos; prevInfos = infos;