+ co=checkout
+ ci=commit
+ st=status
+ br=branch
+ hist=log --pretty=format:\"%h %ad | %s%d [%an]\" --graph --date=short
+ type=cat-file -t
+ dump=cat-file -p
+ dlog=log --decorate
+ oldest-ancestor = !bash -c 'diff -u <(git rev-list --first-parent "${1:-master}") <(git rev-list --first-parent "${2:-HEAD}") | sed -ne \"s/^ //p\" | head -1' -
+