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Fix max-jobs option

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After 0ed946aa61, max-jobs setting (-j/--max-jobs)
stopped working.

The reason was that nrLocalBuilds (which compared to maxBuildJobs to figure
out whether the limit is reached or not) is not incremented yet when tryBuild
is started; So, the solution is to move the check to tryLocalBuild.

Closes https://github.com/nixos/nix/issues/3763
This commit is contained in:
Alexander Bantyev 2020-09-25 00:07:42 +03:00
parent 8d9402f411
commit ed218e1d6c
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GPG key ID: E081FF12ADCB4AD5
1 changed files with 7 additions and 6 deletions
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13
src/libstore/build.cc
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@ -1612,6 +1612,13 @@ void DerivationGoal::tryToBuild()
actLock.reset();
state = &DerivationGoal::tryLocalBuild;
worker.wakeUp(shared_from_this());
}
void DerivationGoal::tryLocalBuild() {
bool buildLocally = buildMode != bmNormal || parsedDrv->willBuildLocally(worker.store);
/* Make sure that we are allowed to start a build. If this
derivation prefers to be done locally, do it even if
maxBuildJobs is 0. */
@ -1622,12 +1629,6 @@ void DerivationGoal::tryToBuild()
return;
}
state = &DerivationGoal::tryLocalBuild;
worker.wakeUp(shared_from_this());
}
void DerivationGoal::tryLocalBuild() {
/* If `build-users-group' is not empty, then we have to build as
one of the members of that group. */
if (settings.buildUsersGroup != "" && getuid() == 0) {