Hotfix/propose git check ref format - #1173

Hotfix/propose git check ref format#1173

thecjharries wants to merge 4 commits into

src-d:mastersrc-d/go-git:masterfrom

thecjharries:hotfix/propose-git-check-ref-formatthecjharries/go-git:hotfix/propose-git-check-ref-formatCopy head branch name to clipboard