hydra: add support for succeedOnFailure feature in stdenv

Dependencies

• [2] FM4O2L4M hydra: if evaluator sees cached build, also add the buildproducts
• [3] AS5PAYLI
• [4] LZO3C2KI * Hack around those SQLite timeouts: just retry the transaction.
• [5] BD3GRK4B * Get rid of "positive failures" and separate log phases.
• [6] 3E6IP3R3 * Add the name of the jobset to ReleaseSetJobs, otherwise we can't
• [7] NLJJZVHO * Use ->update({...}) properly.
• [8] K3EAQY3X * Doh.
• [9] 7YBYT2LQ
• [10] CLJQCY2X * Store info about all the build actions and allow them to be
• [11] G5A7TZVI * Don't discard old build steps when restarting a build.
• [12] D7NXMCON * Doh.
• [*] IK53RV4V
• [*] ZI535LI6 * hydra: 'new' UI for project/jobset/job/build

Change contents

• edit in src/root/common.tt at line 220
  [15.15367]

  [15.15367]
  + [% ELSIF build.resultInfo.buildstatus == 6 %]

  + <img src="/static/images/error_[% size %].png" alt="Failed (with result)" />
• edit in src/root/common.tt at line 251
  [15.16935]

  [15.16935]
  + [% ELSIF build.resultInfo.buildstatus == 6 %]

  + <img src="/static/images/failure.gif" alt="Failed (with result)" />

  + <span class="error">Build failed (with result)</span>
• replacement in src/script/hydra_build.pl.in at line 282
  [3.300]→[3.145:224](∅→∅),[3.346]→[3.145:224](∅→∅),[3.6246]→[3.145:224](∅→∅)
  − $step->update({busy => 0, status => 0, stoptime => time});
  [3.300]

  [3.6355]
  + my $stepOutpath = $step->outpath;

  + my $stepStatus = 0;

  +

  + # when $out/nix-support/failed exists, build actually failed, exit code is in the file, status code for such builds is 6

  + $stepStatus = 6 if -f "$stepOutpath/nix-support/failed";

  + $thisBuildFailed = 1 if ($drvPath eq $drvPathStep && $stepStatus == 6);

  +

  + $step->update({busy => 0, status => $stepStatus, stoptime => time});
• edit in src/script/hydra_build.pl.in at line 368
  [3.4205]

  [3.4205]
  + } else {

  + $buildStatus = 6 if $thisBuildFailed;
• replacement in src/script/hydra_build.pl.in at line 414
  [3.4797]→[3.4544:4577](∅→∅)
  − if ($buildStatus == 0) {
  [3.4797]

  [2.2494]
  + if ($buildStatus == 0 || $buildStatus == 6) {