- # check if inside git repo
- local git_status="`git status -unormal 2>&1`"
- if ! [[ "$git_status" =~ Not\ a\ git\ repo ]]; then
- # parse the porcelain output of git status
- if [[ "$git_status" =~ nothing\ to\ commit ]]; then
- local Color_On=$GREEN
- elif [[ "$git_status" =~ nothing\ added\ to\ commit\ but\ untracked\ files\ present ]]; then
- local Color_On=$CYAN
- else
- local Color_On=$RED
- fi
-
- if [[ "$git_status" =~ On\ branch\ ([^[:space:]]+) ]]; then
- branch=${BASH_REMATCH[1]}
- else
- # Detached HEAD. (branch=HEAD is a faster alternative.)
- branch="(`git describe --all --contains --abbrev=4 HEAD 2> /dev/null || echo HEAD`)"
- fi
-
- # add the result to prompt
- PS1+="\[$Color_On\][$branch]\[$RESET\] "
- fi
-