return 0 when not a git repo before, 128 was returned, which could display an error, but out of a git repo this should exit silently fixes #2226
return 0 when not a git repo
before, 128 was returned, which could display an error,
but out of a git repo this should exit silently
fixes #2226

erwinvaneijk/oh-my-zsh,erwinvaneijk/oh-my-zsh