MSys2 bash prompt

gistfile1.txt

declare MAX_PATH_LENGTH=40

declare COLOR_PATH="\[\e[34;1m\]"
declare COLOR_EXTRAS="\[\e[35m\]"
declare COLOR_MSYSTEM="\[\e[1;31;40m\]"
declare COLOR_HOST=""
declare COLOR_RESET="\[\e[0m\]"

function prompt_path {
  local path="$1"
  local prefix

  [[ "$path" =~ (~) ]] && prefix="~/"

  if (( ${#path} > $MAX_PATH_LENGTH )); then
    path=${path: -$(($MAX_PATH_LENGTH - ${#prefix}))}
    [[ "$path" =~ ^[^/]*/(.*) ]] && path="$prefix(...)${BASH_REMATCH[1]}"
  fi

  echo $path
}

function prompt_jobs {
  local num_jobs=$1
  local jobs_str

  case $num_jobs in
    (0) return ;;
    (1) jobs_str="job";;
    (*) jobs_str="jobs";;
  esac

  echo "  [$num_jobs $jobs_str]"
}

function prompt_msystem {
  case $MSYSTEM in
    (MINGW64) return ;;
  esac

  echo "  [${MSYSTEM}]"
}

PROMPT_COMMAND='echo -ne "\033]2;${USER}@${HOSTNAME}\007"'

PS1="${COLOR_RESET}( \u@${COLOR_HOST}\h${COLOR_RESET}:${COLOR_PATH}\$(prompt_path '\w')${COLOR_RESET}${COLOR_EXTRAS}\$(prompt_jobs \j)\$(prompt_msystem)${COLOR_RESET} )"$'\n\$ '


unset COLOR_PATH COLOR_EXTRAS COLOR_USER COLOR_ROOT COLOR_HOST COLOR_RESET color_by_id
# vim: set filetype=sh :