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computeFSClosure: Only process the missing/corrupt paths

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Issue #122.
This commit is contained in:
Eelco Dolstra 2013-06-13 16:43:20 +02:00
parent bfee9a2581
commit 6cc2a8f8ed
1 changed files with 17 additions and 11 deletions
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28
src/libstore/build.cc
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@ -786,6 +786,9 @@ private:
/* Outputs that are already valid. */ /* Outputs that are already valid. */
PathSet validPaths; PathSet validPaths;
/* Outputs that are corrupt or not valid. */
PathSet missingPaths;
/* User selected for running the builder. */ /* User selected for running the builder. */
UserLock buildUser; UserLock buildUser;
@ -1305,6 +1308,9 @@ void DerivationGoal::tryToBuild()
return; return;
} }
missingPaths = outputPaths(drv.outputs);
foreach (PathSet::iterator, i, validPaths) missingPaths.erase(*i);
/* If any of the outputs already exist but are not valid, delete /* If any of the outputs already exist but are not valid, delete
them. */ them. */
foreach (DerivationOutputs::iterator, i, drv.outputs) { foreach (DerivationOutputs::iterator, i, drv.outputs) {
@ -1442,8 +1448,8 @@ void DerivationGoal::buildDone()
/* Some cleanup per path. We do this here and not in /* Some cleanup per path. We do this here and not in
computeClosure() for convenience when the build has computeClosure() for convenience when the build has
failed. */ failed. */
foreach (DerivationOutputs::iterator, i, drv.outputs) { foreach (PathSet::iterator, i, missingPaths) {
Path path = i->second.path; Path path = *i;
/* If the output was already valid, just skip (discard) it. */ /* If the output was already valid, just skip (discard) it. */
if (validPaths.find(path) != validPaths.end()) continue; if (validPaths.find(path) != validPaths.end()) continue;
@ -1671,9 +1677,7 @@ int childEntry(void * arg)
void DerivationGoal::startBuilder() void DerivationGoal::startBuilder()
{ {
PathSet missing = outputPaths(drv.outputs); startNest(nest, lvlInfo, format(repair ? "repairing path(s) %1%" : "building path(s) %1%") % showPaths(missingPaths));
foreach (PathSet::iterator, i, validPaths) missing.erase(*i);
startNest(nest, lvlInfo, format(repair ? "repairing path(s) %1%" : "building path(s) %1%") % showPaths(missing));
/* Right platform? */ /* Right platform? */
if (!canBuildLocally(drv.platform)) if (!canBuildLocally(drv.platform))
@ -1964,7 +1968,7 @@ void DerivationGoal::startBuilder()
/* If we're repairing, then we don't want to delete the /* If we're repairing, then we don't want to delete the
corrupt outputs in advance. So rewrite them as well. */ corrupt outputs in advance. So rewrite them as well. */
if (repair) if (repair)
foreach (PathSet::iterator, i, missing) foreach (PathSet::iterator, i, missingPaths)
if (worker.store.isValidPath(*i) && pathExists(*i)) if (worker.store.isValidPath(*i) && pathExists(*i))
redirectedBadOutputs[*i] = addHashRewrite(*i); redirectedBadOutputs[*i] = addHashRewrite(*i);
} }
@ -2249,6 +2253,8 @@ void DerivationGoal::computeClosure()
output paths read-only. */ output paths read-only. */
foreach (DerivationOutputs::iterator, i, drv.outputs) { foreach (DerivationOutputs::iterator, i, drv.outputs) {
Path path = i->second.path; Path path = i->second.path;
if (missingPaths.find(path) == missingPaths.end()) continue;
if (!pathExists(path)) { if (!pathExists(path)) {
throw BuildError( throw BuildError(
format("builder for `%1%' failed to produce output path `%2%'") format("builder for `%1%' failed to produce output path `%2%'")
@ -2330,12 +2336,12 @@ void DerivationGoal::computeClosure()
paths referenced by each of them. If there are cycles in the paths referenced by each of them. If there are cycles in the
outputs, this will fail. */ outputs, this will fail. */
ValidPathInfos infos; ValidPathInfos infos;
foreach (DerivationOutputs::iterator, i, drv.outputs) { foreach (PathSet::iterator, i, missingPaths) {
ValidPathInfo info; ValidPathInfo info;
info.path = i->second.path; info.path = *i;
info.hash = contentHashes[i->second.path].first; info.hash = contentHashes[*i].first;
info.narSize = contentHashes[i->second.path].second; info.narSize = contentHashes[*i].second;
info.references = allReferences[i->second.path]; info.references = allReferences[*i];
info.deriver = drvPath; info.deriver = drvPath;
infos.push_back(info); infos.push_back(info);
} }