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@devishot
Last active August 29, 2015 14:02
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~/.bashrc hacks to Git-branch and pretty console. Preview: http://s1.postimg.org/5s2i1arsv/new_bashrc.png From cool-stuff of Mail.ru: http://habrahabr.ru/company/mailru/blog/145008/
# setup color variables
color_is_on=
color_red=
color_green=
color_yellow=
color_blue=
color_white=
color_gray=
color_bg_red=
color_off=
if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
color_is_on=true
color_red="\[$(/usr/bin/tput setaf 1)\]"
color_green="\[$(/usr/bin/tput setaf 2)\]"
color_yellow="\[$(/usr/bin/tput setaf 3)\]"
color_blue="\[$(/usr/bin/tput setaf 6)\]"
color_white="\[$(/usr/bin/tput setaf 7)\]"
color_gray="\[$(/usr/bin/tput setaf 8)\]"
color_off="\[$(/usr/bin/tput sgr0)\]"
color_error="$(/usr/bin/tput setab 1)$(/usr/bin/tput setaf 7)"
color_error_off="$(/usr/bin/tput sgr0)"
fi
# get git status
function parse_git_status {
# clear git variables
GIT_BRANCH=
GIT_DIRTY=
# exit if no git found in system
local GIT_BIN=$(which git 2>/dev/null)
[[ -z $GIT_BIN ]] && return
# check we are in git repo
local CUR_DIR=$PWD
while [ ! -d ${CUR_DIR}/.git ] && [ ! $CUR_DIR = "/" ]; do CUR_DIR=${CUR_DIR%/*}; done
[[ ! -d ${CUR_DIR}/.git ]] && return
# 'git repo for dotfiles' fix: show git status only in home dir and other git repos
[[ $CUR_DIR == $HOME ]] && [[ $PWD != $HOME ]] && return
# get git branch
GIT_BRANCH=$($GIT_BIN symbolic-ref HEAD 2>/dev/null)
[[ -z $GIT_BRANCH ]] && return
GIT_BRANCH=${GIT_BRANCH#refs/heads/}
# get git status
local GIT_STATUS=$($GIT_BIN status --porcelain 2>/dev/null)
[[ -n $GIT_STATUS ]] && GIT_DIRTY=true
}
function prompt_command {
local PS1_GIT=
local PWDNAME=$PWD
# get cursor position and add new line if we're not in first column
exec < /dev/tty
local OLDSTTY=$(stty -g)
stty raw -echo min 0
echo -en "\033[6n" > /dev/tty && read -sdR CURPOS
stty $OLDSTTY
[[ ${CURPOS##*;} -gt 1 ]] && echo "${color_error}↵${color_error_off}"
# beautify working firectory name
if [ $HOME == $PWD ]; then
PWDNAME="~"
elif [ $HOME == ${PWD:0:${#HOME}} ]; then
PWDNAME="~${PWD:${#HOME}}"
fi
# parse git status and get git variables
parse_git_status
# build b/w prompt for git
[[ ! -z $GIT_BRANCH ]] && PS1_GIT=" (git: ${GIT_BRANCH})"
local color_user=
if $color_is_on; then
# set user color
case `id -u` in
0) color_user=$color_red ;;
*) color_user=$color_green ;;
esac
# build git status for prompt
if [ ! -z $GIT_BRANCH ]; then
if [ -z $GIT_DIRTY ]; then
PS1_GIT=" (git: ${color_green}${GIT_BRANCH}${color_off})"
else
PS1_GIT=" (git: ${color_red}${GIT_BRANCH}${color_off})"
fi
fi
fi
# set new color prompt
PS1="${color_user}${USER}${color_off}@${color_yellow}${HOSTNAME}${color_off}:${color_white}${PWDNAME}${color_off}${PS1_GIT}\n➜ "
}
PROMPT_COMMAND=prompt_command
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