remove ascii escapes from log in tail page and emails

Dependencies

• [2] KSD75RNJ Hydra/18: fixed uninitialized value error when logfile is null
• [3] F5RYSE7T qualify order by column
• [4] ZEEZRG2E clean up build page for build that failed with result
• [5] KA45EBF5 * Send email if a build fails.
• [6] A63IHCMX * Register GC roots properly.
• [7] T7Z63K6T hydra: moves jobsetOverview sub
• [8] BOFOHCPK removed debug print, added last 50 lines in failure emails
• [9] 2GK5DOU7 * Downloading closures.
• [10] V62IBGJV * Cannot call isValidPath on a logfile. This happened to work because
• [11] QUTWJR7P * Include more info in notification emails.
• [12] PPJN6SDP * paging for releases page
• [13] XBU2ODSP * More renaming.
• [14] NZI7E2E3 * hydra: handle case where logfile is empty
• [15] 2R7GHSA4 * hydra: added initial version of build graph
• [*] LBNVQXUB * Build the /build stuff in a separate controller.
• [*] AFTXA575 * $HYDRA_DATA environment variable.
• [*] 7YBYT2LQ

Change contents

• replacement in src/lib/Hydra/Controller/Build.pm at line 58
  [5.126]→[5.207:251](∅→∅),[4.168]→[5.207:251](∅→∅),[5.207]→[5.207:251](∅→∅)
  − $c->stash->{logtext} = `tail -n 50 $path`;
  [4.168]

  [5.222]
  + $c->stash->{logtext} = removeAsciiEscapes(`tail -n 50 $path`);
• replacement in src/lib/Hydra/Helper/Nix.pm at line 17
  [5.654]→[5.35:100](∅→∅)
  − getViewResult getLatestSuccessfulViewResult jobsetOverview);
  [5.654]

  [5.486]
  + getViewResult getLatestSuccessfulViewResult jobsetOverview removeAsciiEscapes);
• edit in src/lib/Hydra/Helper/Nix.pm at line 262
  [18.850]

  [3.371]
  + sub removeAsciiEscapes {

  + my ($logtext) = @_;

  + $logtext =~ s/\e\[[A-Za-z]//g;

  + return $logtext;

  + }
• replacement in src/script/hydra_build.pl.in at line 159
  [5.71]→[2.0:108](∅→∅)
  − my $logtext = defined $logfile && -e $logfile ? `tail -$loglines $logfile` : "No logfile available.\n";
  [5.71]

  [5.807]
  + my $logtext = defined $logfile && -e $logfile ? removeAsciiEscapes(`tail -$loglines $logfile`) : "No logfile available.\n";