[#6222] ticket:349 Handle git errors gracefully in symbolics_for_commit
[#6222] ticket:349 Handle git errors gracefully in symbolics_for_commit

apache/allura,lym/allura-git,lym/allura-git,apache/allura,lym/allura-git,heiths/allura,apache/allura,heiths/allura,lym/allura-git,heiths/allura,apache/incubator-allura,lym/allura-git,apache/incubator-allura,apache/allura,heiths/allura,heiths/allura,apache/allura,apache/incubator-allura,apache/incubator-allura