gistfile1.sh

parse_git_bullet ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        git_status="$(git status 2> /dev/null)"
        branch_pattern="^On branch ([^${IFS}]*)"
        if [[ ${git_status} =~ ${branch_pattern} ]]; then
          branch=${BASH_REMATCH[1]}
          echo "•"
        fi
    else
        return 0
    fi
}
 
parse_git_branch ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        git_status="$(git status 2> /dev/null)"
        branch_pattern="^On branch ([^${IFS}]*)"
        if [[ ${git_status} =~ ${branch_pattern} ]]; then
          branch=${BASH_REMATCH[1]}
          echo " (${branch} "
        fi
    else
        return 0
    fi
}
 
parse_git_remote ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        git_status="$(git status 2> /dev/null)"
        branch_pattern="^On branch ([^${IFS}]*)"
        remote_pattern="Your branch is (.*) of"
        diverge_pattern="Your branch and (.*) have diverged"
        # add an else if or two here if you want to get more specific
        if [[ ${git_status} =~ ${remote_pattern} ]]; then
          if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
            remote="↑"
          elif [ ${BASH_REMATCH[1]} == "behind" ]]; then
            remote="↓"
          fi
        fi
        if [[ ${git_status} =~ ${diverge_pattern} ]]; then
          remote="↕"
        fi
        if [[ ${git_status} =~ ${branch_pattern} ]]; then
          branch=${BASH_REMATCH[1]}
          
          echo "${remote})"
        fi
    else
        return 0
    fi
}