Pass failing dependent builds to buildFinished

Dependencies

• [2] BLVQGJ4L Use OO-style plugins
• [3] 7YBYT2LQ
• [4] AS5PAYLI
• [5] PMNWRTGJ Add multiple output support
• [6] IUCHXUJP Use "can" to check whether a plugin supports buildFinished
• [7] MNZ67UXO If a build step fail, immediately fail all queued builds that depend on it
• [8] OG7BEM57
• [9] KA45EBF5 * Send email if a build fails.
• [10] 5EQYVRWE Add a plugin mechanism
• [*] BD3GRK4B * Get rid of "positive failures" and separate log phases.
• [*] 37R34XJO * Negative caching: don't perform a build if a dependency already

Change contents

• replacement in src/script/hydra-build at line 40
  [3.266]→[3.266:301](∅→∅)
  − my ($drvPath, $errorMsg) = @_;
  [3.266]

  [3.301]
  + my ($drvPath, $errorMsg, $dependents) = @_;
• edit in src/script/hydra-build at line 76
  [3.1554]

  [3.1554]
  +

  + push @$dependents, $d;
• replacement in src/script/hydra-build at line 88
  [3.164]→[2.633:681](∅→∅)
  − $plugin->buildFinished($build, []);
  [3.164]

  [3.226]
  + $plugin->buildFinished($build, $dependents);
• edit in src/script/hydra-build at line 115
  [12.3622]

  [13.3433]
  +

  + my $dependents = [];
• replacement in src/script/hydra-build at line 211
  [3.1708]→[3.1708:1765](∅→∅)
  − failDependents($drvPathStep, $errorMsg);
  [3.1708]

  [3.649]
  + failDependents($drvPathStep, $errorMsg, $dependents);
• replacement in src/script/hydra-build at line 310
  [3.874]→[3.333:357](∅→∅)
  − notify($build, []);
  [3.874]

  [3.6647]
  + notify($build, $dependents);