Merge branch 'queue-17'

Dependencies

• [2] A5V7HLIQ * Shut up DBIx::Class.
• [3] QZLMDKMU * Queue runner: don't start scheduled builds builds if they belong to
• [4] AHTEIK7G * Added a maintainers field to the Builds table.
• [5] JK2QWPH6
• [6] NREF6YOA * Don't start more builds concurrently than allowed for each system
• [7] L2E6EVE2 * Merged the Build and Job tables.
• [8] T7CCJQOF * Revert for now due to Postgres breakage.
• [9] 7YBYT2LQ
• [10] AFTXA575 * $HYDRA_DATA environment variable.
• [11] D6YQQQCN * Don't ignore SIGCHLD after all, Perl doesn't like it. Just do
• [12] TULPZ62Y * Perform builds in parallel.
• [*] DQD7JMSU * Fix the terminology.

Change contents

• replacement in src/script/hydra_queue_runner.pl at line 9
  [3.206]→[3.7877:7878](∅→∅),[3.1139]→[3.7877:7878](∅→∅),[3.7877]→[3.7877:7878](∅→∅)
  −
  [3.1139]

  [3.7878]
  + use Nix;
• edit in src/script/hydra_queue_runner.pl at line 53
  [3.8398]

  [3.8410]
  + sub findBuildDependencyInQueue {

  + my ($build) = @_;

  + my $drvpath = $build->drvpath;

  + my @paths = reverse(split '\n', `nix-store -qR $drvpath`);

  +

  + foreach my $path (@paths) {

  + if($path ne $drvpath) {

  + (my $depBuild) = $db->resultset('Builds')->search(

  + { drvpath => $path, finished => 0, busy => 0, enabled => 1, disabled => 0 },

  + { join => ['schedulingInfo', 'project'], rows => 1 } ) ;

  + return $depBuild if defined $depBuild;

  + }

  + }

  + return $build ;

  + }
• replacement in src/script/hydra_queue_runner.pl at line 80
  [3.110]→[3.8604:8605](∅→∅),[2.111]→[3.8604:8605](∅→∅),[3.235]→[3.8604:8605](∅→∅),[3.600]→[3.8604:8605](∅→∅),[3.11853]→[3.8604:8605](∅→∅),[3.17989]→[3.8604:8605](∅→∅),[3.8604]→[3.8604:8605](∅→∅)
  −
  [2.111]

  [3.236]
  +
• edit in src/script/hydra_queue_runner.pl at line 108
  [14.728]

  [14.728]
  + $build = findBuildDependencyInQueue($build);

  +