122 lines
3.6 KiB
Bash
122 lines
3.6 KiB
Bash
# Inspired by: https://github.com/dreadatour/dotfiles/blob/master/.bash_profile
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# Setup color variables
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color_is_on=
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color_red=
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color_green=
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color_yellow=
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color_blue=
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color_white=
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color_gray=
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color_bg_red=
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color_off=
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if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
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color_is_on=true
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color_red="\[$(/usr/bin/tput setaf 1)\]"
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color_green="\[$(/usr/bin/tput setaf 2)\]"
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color_yellow="\[$(/usr/bin/tput setaf 3)\]"
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color_blue="\[$(/usr/bin/tput setaf 6)\]"
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color_white="\[$(/usr/bin/tput setaf 7)\]"
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color_gray="\[$(/usr/bin/tput setaf 8)\]"
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color_off="\[$(/usr/bin/tput sgr0)\]"
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color_error="$(/usr/bin/tput setab 1)$(/usr/bin/tput setaf 7)"
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color_error_off="$(/usr/bin/tput sgr0)"
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# set user color
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case `id -u` in
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0) color_user=$color_red ;;
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*) color_user=$color_green ;;
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esac
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fi
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# Some kind of optimization - check if git installed only on config load
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PS1_GIT_BIN=$(which git 2>/dev/null)
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function prompt_command {
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local PS1_GIT=
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local GIT_BRANCH=
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local GIT_DIRTY=
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local PWDNAME=$PWD
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# Beautify working directory name
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if [ $HOME == $PWD ]; then
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PWDNAME="~"
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elif [ $HOME == ${PWD:0:${#HOME}} ]; then
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PWDNAME="~${PWD:${#HOME}}"
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fi
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# Parse git status and get git variables
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if [[ ! -z $PS1_GIT_BIN ]]; then
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# check we are in git repo
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local CUR_DIR=$PWD
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while [[ ! -d "${CUR_DIR}/.git" ]] && [[ ! "${CUR_DIR}" == "/" ]] && [[ ! "${CUR_DIR}" == "~" ]] && [[ ! "${CUR_DIR}" == "" ]]; do CUR_DIR=${CUR_DIR%/*}; done
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if [[ -d "${CUR_DIR}/.git" ]]; then
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# 'git repo for dotfiles' fix: show git status only in home dir and other git repos
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if [[ "${CUR_DIR}" != "${HOME}" ]] || [[ "${PWD}" == "${HOME}" ]]; then
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# get git branch
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GIT_BRANCH=$($PS1_GIT_BIN symbolic-ref HEAD 2>/dev/null)
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if [[ ! -z $GIT_BRANCH ]]; then
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GIT_BRANCH=${GIT_BRANCH#refs/heads/}
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# get git status
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local GIT_STATUS=$($PS1_GIT_BIN status --porcelain 2>/dev/null)
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[[ -n $GIT_STATUS ]] && GIT_DIRTY=1
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fi
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fi
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fi
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fi
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# Build B&W prompt for git
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[[ ! -z $GIT_BRANCH ]] && PS1_GIT=" #${GIT_BRANCH}"
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# Calculate prompt length
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local PS1_length=$((${#USER}+${#HOSTNAME}+${#PWDNAME}+${#PS1_GIT}+3))
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local FILL=
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# Of length is greater, than terminal width
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if [[ $PS1_length -gt $COLUMNS ]]; then
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# strip working directory name
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PWDNAME="...${PWDNAME:$(($PS1_length-$COLUMNS+3))}"
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else
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# else calculate fillsize
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local fillsize=$(($COLUMNS-$PS1_length))
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FILL=$color_gray
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while [[ $fillsize -gt 0 ]]; do FILL="${FILL}─"; fillsize=$(($fillsize-1)); done
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FILL="${FILL}${color_off}"
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fi
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if $color_is_on; then
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# Git status for prompt
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if [ ! -z $GIT_BRANCH ]; then
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if [ -z $GIT_DIRTY ]; then
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PS1_GIT=" #${color_green}${GIT_BRANCH}${color_off}"
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else
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PS1_GIT=" #${color_red}${GIT_BRANCH}${color_off}"
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fi
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fi
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fi
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# set new color prompt
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PS1="${color_user}${USER}${color_off}@${color_yellow}${HOSTNAME}${color_off}:${color_white}${PWDNAME}${color_off}${PS1_GIT} ${FILL}\n→ "
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# get cursor position and add new line if we're not in first column
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# cool'n'dirty trick (http://stackoverflow.com/a/2575525/1164595)
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# XXX FIXME: this hack broke ssh =(
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# exec < /dev/tty
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# local OLDSTTY=$(stty -g)
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# stty raw -echo min 0
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# echo -en "\033[6n" > /dev/tty && read -sdR CURPOS
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# stty $OLDSTTY
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echo -en "\033[6n" && read -sdR CURPOS
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[[ ${CURPOS##*;} -gt 1 ]] && echo "${color_error}●${color_error_off}"
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# Set title
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echo -ne "\033]0;${USER}@${HOSTNAME}:${PWDNAME}"; echo -ne "\007"
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}
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# Set prompt command (title update and color prompt)
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PROMPT_COMMAND=prompt_command
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# Set new B&W prompt (will be overwritten in `prompt_command` later with color prompt)
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PS1='\u@\h:\w\$ '
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