removed debug print, added last 50 lines in failure emails

Dependencies

• [2] FYO6NECE hydra
• [3] ZDNXMJ3J * Typo.
• [4] MPGVCHVF * Fix an apparent incompatibility with recent DBIx::Class.
• [5] 2IEFMER5 * Add --fallback to prevent problems with obsolete substitutes.
• [6] G5A7TZVI * Don't discard old build steps when restarting a build.
• [7] KA45EBF5 * Send email if a build fails.
• [8] 7YBYT2LQ
• [9] CLJQCY2X * Store info about all the build actions and allow them to be
• [10] A63IHCMX * Register GC roots properly.
• [11] QUTWJR7P * Include more info in notification emails.

Change contents

• edit in src/script/hydra_build.pl at line 148
  [3.1698]

  [3.807]
  +

  + my $loglines = 50;

  + my $logfile = $build->resultInfo->logfile;

  + my $logtext = `tail -$loglines $logfile` if -e $logfile;
• edit in src/script/hydra_build.pl at line 160
  [3.1087]

  [3.1087]
  + . ($build->resultInfo->buildstatus != 0 ? "\nThe last $loglines lines of the build log are shown at the bottom of this email.\n" : "")
• replacement in src/script/hydra_build.pl at line 172
  [3.2044]→[3.1102:1153](∅→∅),[3.1102]→[3.1102:1153](∅→∅)
  − . "Regards,\n\nThe Hydra build daemon.\n";
  [3.2044]

  [2.4697]
  + . "Regards,\n\nThe Hydra build daemon.\n"

  + . ($build->resultInfo->buildstatus != 0 ? "\n---\n$logtext" : "");

  +
• replacement in src/script/hydra_build.pl at line 225
  [3.1163]→[2.4905:4924](∅→∅)
  − print STDERR $cmd;
  [3.1163]

  [3.4]
  +