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.bash_prompt
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#!/usr/bin/env bash
# based on bash-powerline.sh
__powerline() {
# Solarized colorscheme
readonly FG_BASE03="\[$(tput setaf 8)\]"
readonly FG_BASE02="\[$(tput setaf 0)\]"
readonly FG_BASE01="\[$(tput setaf 10)\]"
readonly FG_BASE00="\[$(tput setaf 11)\]"
readonly FG_BASE0="\[$(tput setaf 12)\]"
readonly FG_BASE1="\[$(tput setaf 14)\]"
readonly FG_BASE2="\[$(tput setaf 7)\]"
readonly FG_BASE3="\[$(tput setaf 15)\]"
readonly BG_BASE03="\[$(tput setab 8)\]"
readonly BG_BASE02="\[$(tput setab 0)\]"
readonly BG_BASE01="\[$(tput setab 10)\]"
readonly BG_BASE00="\[$(tput setab 11)\]"
readonly BG_BASE0="\[$(tput setab 12)\]"
readonly BG_BASE1="\[$(tput setab 14)\]"
readonly BG_BASE2="\[$(tput setab 7)\]"
readonly BG_BASE3="\[$(tput setab 15)\]"
readonly FG_YELLOW="\[$(tput setaf 3)\]"
readonly FG_ORANGE="\[$(tput setaf 9)\]"
readonly FG_RED="\[$(tput setaf 1)\]"
readonly FG_MAGENTA="\[$(tput setaf 5)\]"
readonly FG_VIOLET="\[$(tput setaf 13)\]"
readonly FG_BLUE="\[$(tput setaf 4)\]"
readonly FG_CYAN="\[$(tput setaf 6)\]"
readonly FG_GREEN="\[$(tput setaf 2)\]"
readonly BG_YELLOW="\[$(tput setab 3)\]"
readonly BG_ORANGE="\[$(tput setab 9)\]"
readonly BG_RED="\[$(tput setab 1)\]"
readonly BG_MAGENTA="\[$(tput setab 5)\]"
readonly BG_VIOLET="\[$(tput setab 13)\]"
readonly BG_BLUE="\[$(tput setab 4)\]"
readonly BG_CYAN="\[$(tput setab 6)\]"
readonly BG_GREEN="\[$(tput setab 2)\]"
readonly DIM="\[$(tput dim)\]"
readonly REVERSE="\[$(tput rev)\]"
readonly RESET="\[$(tput sgr0)\]"
readonly BOLD="\[$(tput bold)\]"
readonly CLEAR="\[$(tput el)\]"
# Unicode symbols
readonly GIT_BRANCH_SYMBOL=' '
readonly GIT_BRANCH_CHANGED_SYMBOL='*'
readonly GIT_BRANCH_CLEAN_SYMBOL='✔︎'
readonly GIT_NEED_PUSH_SYMBOL='⇡'
readonly GIT_NEED_PULL_SYMBOL='⇣'
# what terminal?
case "$TERM_PROGRAM" in
iTerm.app)
readonly PS_SYMBOL="👉 "
readonly PS_SYMBOL_ERROR="\a💥"
;;
Apple_Terminal)
readonly PS_SYMBOL="👉 "
readonly PS_SYMBOL_ERROR="\a💥"
;;
*)
readonly PS_SYMBOL=$FG_GREEN""
readonly PS_SYMBOL_ERROR=$FG_RED"\a"
esac
__git_info() {
[ -x "$(which git)" ] || return # git not found
local git_eng="env LANG=C git" # force git output in English to make our work easier
# get current branch name or short SHA1 hash for detached head
local branch="$($git_eng symbolic-ref --short HEAD 2>/dev/null || $git_eng describe --tags --always 2>/dev/null)"
[ -n "$branch" ] || return # git branch not found
local marks
# how many commits local branch is ahead/behind of remote?
local stat="$($git_eng status --porcelain --branch | grep '^##' | grep -o '\[.\+\]$')"
local aheadN="$(echo $stat | grep -o 'ahead [[:digit:]]\+' | grep -o '[[:digit:]]\+')"
local behindN="$(echo $stat | grep -o 'behind [[:digit:]]\+' | grep -o '[[:digit:]]\+')"
[ -n "$aheadN" ] && marks+="$BG_BLUE$FG_BASE02 $GIT_NEED_PUSH_SYMBOL$aheadN $RESET"
[ -n "$behindN" ] && marks+="$BG_BLUE$FG_BASE02 $GIT_NEED_PULL_SYMBOL$behindN $RESET"
# branch is modified?
[ -n "$($git_eng status --porcelain)" ] && marks+="$BG_ORANGE$FG_BASE02 $GIT_BRANCH_CHANGED_SYMBOL $RESET" || marks+="$BG_GREEN$FG_BASE02 $GIT_BRANCH_CLEAN_SYMBOL$RESET"
# print the git branch segment without a trailing newline
printf " $GIT_BRANCH_SYMBOL$branch $marks "
}
ps1() {
# Check the exit code of the previous command and display different
# colors in the prompt accordingly.
if [ $? -eq 0 ]; then
local BG_EXIT=$PS_SYMBOL
else
local BG_EXIT=$PS_SYMBOL_ERROR
fi
# PS1="$BG_BASE0 $RESET$BG_BASE1 $RESET$BG_BASE2 $RESET$BG_BASE3 $RESET$BG_BASE00 $RESET$BG_BASE01 $RESET$BG_BASE02 $RESET$BG_BASE03 $RESET \n"
# PS1+="$BG_YELLOW $RESET$BG_ORANGE $RESET$BG_RED $RESET$BG_MAGENTA $RESET$BG_VIOLET $RESET$BG_BLUE $RESET$BG_CYAN $RESET$BG_GREEN $RESET \n"
# PS1+="$BOLD$BG_YELLOW $BG_ORANGE $BG_RED $BG_MAGENTA $BG_VIOLET $BG_BLUE $BG_CYAN $BG_GREEN $RESET \n"
PS1="$BG_CYAN$FG_BASE02 \A $RESET"
PS1+="$BG_YELLOW$FG_BASE02 \w $RESET"
PS1+="$BG_MAGENTA$FG_BASE02$(__git_info)$RESET$CLEAR"
PS1+="\n"
PS1+="$BG_EXIT $RESET"
}
setItermTitle() {
if [ $ITERM_SESSION_ID ]; then
echo -ne "\033];${PWD##*/}\007";
fi
}
export PROMPT_COMMAND="setItermTitle; ps1; $PROMPT_COMMAND"
}
__powerline
unset __powerline