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Merge pull request #12692 from obsidiansystems/small-derivation-goal-cleanups

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Small derivation goal cleanups
This commit is contained in:
Jörg Thalheim 2025-03-19 23:30:23 +01:00 • committed by GitHub
commit c97f779dbb
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3 changed files with 19 additions and 17 deletions
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21
src/libstore/build/derivation-goal.cc
View file

@ -533,9 +533,6 @@ Goal::Co DerivationGoal::gaveUpOnSubstitution()
debug("added input paths %s", worker.store.showPaths(inputPaths));
/* What type of derivation are we building? */
derivationType = drv->type();
/* Okay, try to build. Note that here we don't wait for a build
slot to become available, since we don't need one if there is a
build hook. */
@ -597,16 +594,18 @@ Goal::Co DerivationGoal::tryToBuild()
}
}
if (!outputLocks.lockPaths(lockFiles, "", false)) {
if (!actLock)
actLock = std::make_unique<Activity>(*logger, lvlWarn, actBuildWaiting,
if (!outputLocks.lockPaths(lockFiles, "", false))
{
Activity act(*logger, lvlWarn, actBuildWaiting,
fmt("waiting for lock on %s", Magenta(showPaths(lockFiles))));
worker.waitForAWhile(shared_from_this());
co_await Suspend{};
co_return tryToBuild();
}
actLock.reset();
/* Wait then try locking again, repeat until success (returned
boolean is true). */
do {
worker.waitForAWhile(shared_from_this());
co_await Suspend{};
} while (!outputLocks.lockPaths(lockFiles, "", false));
}
/* Now check again whether the outputs are valid. This is because
another process may have started building in parallel. After

5
src/libstore/build/derivation-goal.hh
View file

@ -198,11 +198,6 @@ struct DerivationGoal : public Goal
std::unique_ptr<HookInstance> hook;
#endif
/**
* The sort of derivation we are building.
*/
std::optional<DerivationType> derivationType;
BuildMode buildMode;
std::unique_ptr<MaintainCount<uint64_t>> mcExpectedBuilds, mcRunningBuilds;

10
src/libstore/unix/build/local-derivation-goal.cc
View file

@ -150,6 +150,13 @@ struct LocalDerivationGoal : DerivationGoal, RestrictionContext
*/
std::shared_ptr<AutoDelete> autoDelChroot;
/**
* The sort of derivation we are building.
*
* Just a cached value, can be recomputed from `drv`.
*/
std::optional<DerivationType> derivationType;
/**
* Stuff we need to pass to initChild().
*/
@ -478,7 +485,8 @@ Goal::Co LocalDerivationGoal::tryLocalBuild()
co_return tryToBuild();
}
assert(derivationType);
/* Cache this */
derivationType = drv->type();
/* Are we doing a chroot build? */
{