Ben Woodall

Last of the freelance hackers - Greatest sword fighter in the world

Git Terminal Colors

git

I wanted to migrate some of my previous code snippets from my tumblr blog http://tumblr.com/benwoodall to here, and I also wanted to test out some of the available plugins. So here post number 1!

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c_cyan=`tput setaf 6`
c_red=`tput setaf 1`
c_green=`tput setaf 2`
c_sgr0=`tput sgr0`
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}]*)"
        remote_pattern="# Your branch is (.*) of"
        diverge_pattern="# Your branch and (.*) have diverged"
        merge_pattern="#   unmerged:"
        # 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} =~ ${merge_pattern} ]]; then
          remote="|MERGING"
        fi
        if [[ ${git_status} =~ ${branch_pattern} ]]; then
          branch=${BASH_REMATCH[1]}
          echo "${branch}${remote}"
        fi
    else
        return 0
    fi
}
branch_color ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        git_status="$(git status 2> /dev/null)"
        color=""
        if [[ ${git_status} =~ "working directory clean" ]]; then
            color="${c_green}"
        else
            color=${c_red}
        fi
    else
        return 0
    fi
    echo -ne $color
}

export PS1='\h:\W$(__git_ps1 "[\[$(branch_color)\]$(parse_git_branch)\[${c_sgr0}\]]\[\e[0m\]")$ '

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