After talking to a friend of mine Jeff Larkin about bash prompts, I decided to modify what he did into a single line bash prompt. By adding the following to your .bashrc you’ll get the branch your on in git (if current directory is tracked), a color denoting the status of the branch as well as the return code of the last command (if non-zero)
#
# Define some colors first: Capitals denote bold
#
red='\e[0;31m'
RED='\e[1;31m'
green='\e[0;32m'
GREEN='\e[1;32m'
yellow='\e[0;33m'
YELLOW='\e[1;33m'
blue='\e[0;34m'
BLUE='\e[1;34m'
magenta='\e[0;35m'
MAGENTA='\e[1;35m'
cyan='\e[0;36m'
CYAN='\e[1;36m'
NC='\e[0m' # No Color
# Taken from http://www.opinionatedprogrammer.com/2011/01/colorful-bash-prompt-reflecting-git-status/
function _git_prompt() {
local git_status="`git status -unormal 2>&1`"
if ! [[ "$git_status" =~ Not\ a\ git\ repo ]]; then
if [[ "$git_status" =~ nothing\ to\ commit ]]; then
local ansi=$GREEN
elif [[ "$git_status" =~ nothing\ added\ to\ commit\ but\ untracked\ files\ present ]]; then
local ansi=$RED
else
local ansi=$YELLOW
fi
if [[ "$git_status" =~ On\ branch\ ([^[:space:]]+) ]]; then
branch=${BASH_REMATCH[1]}
#test "$branch" != master || branch=' '
else
# Detached HEAD. (branch=HEAD is a faster alternative.)
branch="(`git describe --all --contains --abbrev=4 HEAD 2> /dev/null ||
echo HEAD`)"
fi
echo -n '[\['"$ansi"'\]'"$branch"'\[\e[0m\]]'
fi
}
function report_status() {
RET_CODE=$?
if [[ $RET_CODE -ne 0 ]] ; then
echo -ne "[\[$RED\]$RET_CODE\[$NC\]]"
fi
}
export _PS1="\[$NC\][\u@\h \W]"
export PS2="\[$NC\]> "
export PROMPT_COMMAND='_status=$(report_status);export PS1="$(_git_prompt)${_status}${_PS1}\$ ";unset _status;'Image may be NSFW.
