filter-github-emails: Strip [monitoring-plugins]

Now that we edit the GitHub notifications anyway, lets also strip the
[monitoring-plugins] tag.  We don't strip the tags of our other
repositories, so that notifications for them do stand out (on the rare
occasion we receive them).

1 files changed, 6 insertions, 0 deletions

diff --git a/libexec/filter-github-emails b/libexec/filter-github-emails
index 38c2168..9b86f7e 100755
--- a/libexec/filter-github-emails
+++ b/libexec/filter-github-emails
@@ -157,6 +157,12 @@ sub edit_header {
         $header->header_set('To' => $recipient);
         $header->header_set('X-MP-Content' => $description);
 
+        # Strip the [monitoring-plugins] tag.
+        my $subject = $header->header('Subject');
+        $subject =~ s/^\[monitoring-plugins\] //;
+        $subject =~ s/^Re: \[monitoring-plugins\] /Re: /;
+        $header->header_set('Subject' => $subject);
+
         return $header;
 }