Fix backport branch filtering for travis

m-kuhn · web-flow · commit 92a7027a0062 · 2019-03-04T15:06:53.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,7 @@ cache:
   directories:
     - ${HOME}/.ccache
   timeout: 1000
-if: branch !~ /^backport-\d+-on-/
+if: NOT branch =~ /^backport-\d+-on-/
 
 env:
   global:
