Make restartBuilds faster

Dependencies

• [2] MBRAFK6F Register restarted derivations as GC roots
• [3] VHV6GI4L Add a jobset eval action to restart all aborted/cancelled builds
• [4] UOINKJ2J Add an action to cancel all builds in a jobset eval
• [*] 2GK5DOU7 * Downloading closures.

Change contents

• replacement in src/lib/Hydra/Helper/Nix.pm at line 575
  [3.788]→[3.788:803](∅→∅)
  − my $n = 0;
  [3.788]

  [3.803]
  + my @buildIds;
• edit in src/lib/Hydra/Helper/Nix.pm at line 581
  [3.900]

  [3.900]
  +
• replacement in src/lib/Hydra/Helper/Nix.pm at line 585
  [3.1036]→[3.1036:1101](∅→∅),[3.1101]→[2.0:1](∅→∅)
  − push @paths, $_->drvpath foreach $build->buildsteps;

  −
  [3.1036]

  [2.1]
  + push @buildIds, $build->id;
• edit in src/lib/Hydra/Helper/Nix.pm at line 587
  [2.43]

  [3.1101]
  + }
• replacement in src/lib/Hydra/Helper/Nix.pm at line 589
  [3.1102]→[3.1102:1296](∅→∅)
  − $build->update(

  − { finished => 0

  − , busy => 0

  − , locker => ""

  − , iscachedbuild => 0

  − });

  − $n++;
  [3.1102]

  [3.1296]
  + $db->resultset('Builds')->search({ id => \@buildIds })->update(

  + { finished => 0

  + , busy => 0

  + , locker => ""

  + , iscachedbuild => 0

  + });
• replacement in src/lib/Hydra/Helper/Nix.pm at line 596
  [3.1297]→[3.1297:1492](∅→∅)
  − # Reset the stats for the evals to which this build belongs.

  − # !!! Should do this in a trigger.

  − $build->jobsetevals->update({nrsucceeded => undef});

  − }
  [3.1297]

  [3.1492]
  + # Reset the stats for the evals to which the builds belongs.

  + # !!! Should do this in a trigger.

  + $db->resultset('JobsetEvals')->search({ build => \@buildIds }, { join => 'buildIds' })->update({ nrsucceeded => undef });
• replacement in src/lib/Hydra/Helper/Nix.pm at line 605
  [3.1640]→[3.1640:1655](∅→∅)
  − return $n;
  [3.1640]

  [3.1616]
  + return scalar(@buildIds);