Handle failure with output

Dependencies

• [2] HHOMBU7G hydra-queue-runner: Implement timeouts
• [3] U2X3Y53G make sure status images always display for a list of builds
• [4] 3SQCOHZN * minor performance tweaks
• [5] RYTQLATY Keep track of failed paths in the Hydra database
• [6] T6KISLR6 Fix indentation
• [7] OCZ4LSGG Automatically retry aborted builds
• [8] 24BMQDZA Start of single-process hydra-queue-runner
• [9] 62MQPRXC Pass null values to libpqxx properly
• [10] FQQRJUO4 Mark builds as busy
• [11] GS4SFHCP templates: Use uri_for to reference static paths.
• [12] YBUGFKLE Use a distinct icon for cancelled builds
• [13] 6KIJX24R Get rid of unnecessary [%- and -%] tags
• [14] N5O7VEEO Immediately abort builds that require an unsupported system type
• [15] 5AIYUMTB Basic remote building
• [16] J7EE2XZA Fix a huge performance regression in the jobstatus page
• [17] UQQ4IL55 Add a error type for "unsupported system type"
• [*] IK53RV4V

Change contents

• edit in src/hydra-queue-runner/build-result.cc at line 30
  [3.1182]

  [3.1182]
  + Path failedFile = output + "/nix-support/failed";

  + if (pathExists(failedFile)) res.failed = true;

  +
• edit in src/hydra-queue-runner/build-result.hh at line 20
  [3.4618]

  [3.4618]
  + /* Whether this build has failed with output, i.e., the build

  + finished with exit code 0 but produced a file

  + $out/nix-support/failed. */

  + bool failed = false;

  +
• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 932
  [3.12391]→[3.12391:12559](∅→∅)
  −

  − /* FIXME: distinguish between permanent failures (a matching

  − machine doesn't exist) and temporary failures (a matching

  − machine is not available). */
• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 1047
  [3.1424]→[3.1424:1469](∅→∅)
  −

  − // FIXME: handle failed-with-output
• replacement in src/hydra-queue-runner/hydra-queue-runner.cc at line 1178
  [3.18052]→[3.18052:18078](∅→∅)
  − ((int) bsSuccess)
  [3.18052]

  [3.18078]
  + ((int) (res.failed ? bsFailedWithOutput : bsSuccess))
• replacement in src/root/common.tt at line 206
  [3.4180]→[3.568:688](∅→∅)
  − <img src="[% c.uri_for("/static/images/error_${size}.png") %]" alt="Failed (with result)" class="build-status" />
  [3.4180]

  [2.1617]
  + <img src="[% c.uri_for("/static/images/error_${size}.png") %]" alt="Failed with output" class="build-status" />
• replacement in src/root/common.tt at line 233
  [3.2585]→[3.2293:2353](∅→∅),[3.2293]→[3.2293:2353](∅→∅)
  − <span class="error">Build failed (with result)</span>
  [3.2585]

  [2.1762]
  + <span class="error">Build failed with output</span>