Be more steady for git errors while composing pootle email notification

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/emailer.rb b/lib/emailer.rb
index 82c14cd..a98cb2e 100644
--- a/lib/emailer.rb
+++ b/lib/emailer.rb
@@ -23,9 +23,16 @@ module Emailer
 
       sha = event.commit_details[:id]
       author = event.commit_details[:commit_author]
-      files = repository.git.commit(sha).diffs.map {|i| i.a_path}
 
-      langs = files.collect {|i| next unless i =~ /^po\/(.*).po$/; $1}.compact.join(', ')
+      begin
+        files = repository.git.commit(sha).diffs.map {|i| i.a_path}
+        langs = files.collect {|i| next unless i =~ /^po\/(.*).po$/; $1}.compact.join(', ')
+      rescue Exception => e
+        logger.warn("Failed to get git diff to compose poole commit files: #{e}")
+        files = []
+        langs = "unknown languages"
+      end
+
       event.commit_details[:message] =~ / by user ([^\s:]+)/
       translator = $1 or '<anonymous>'