[Travis] Fix backport branch being run as push job (#9680)

3nids · nyalldawson · commit c0eefae23ecd · 2019-04-02T17:03:34.000+10:00
(cherry picked from commit eacd47b)
diff --git a/.travis.yml b/.travis.yml
@@ -11,7 +11,7 @@ cache:
     - ${HOME}/.ccache_docker_build_cosmic
     - ${HOME}/.ccache_docker_build_bionic
   timeout: 1000
-if: NOT branch =~ /^(cherry-pick-)?backport-\d+-on-/
+if: NOT branch =~ /^(cherry-pick-)?backport-\d+-/ AND NOT branch =~ /-patch-\d+$/
 
 env:
   global:
