Add git branch info to your prompt (only in git-controlled directories!)

gistfile1.txt

function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working direct
ory clean)" ]] && echo "*"
}

function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(par
se_git_dirty)]/"
}

RED="\[\033[0;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"
RESET="\[\033[0;0m\]"

PS1="$RED\h:\W$YELLOW \$(parse_git_branch)$GREEN\$$RESET "