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Git colored prompt
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# This is a fork of a fork of a fork... of probably https://www.marc-eymard.fr/linux/bash-prompt | |
# Add the following lines inside your ~/.bashrc | |
# START : git, coloration | |
if [ -z "$PS1_ORIG" ]; then | |
PS1_ORIG=$PS1 | |
OLD_PROMPT_COMMAND=$PROMPT_COMMAND | |
fi | |
RED='\001\033[31m\002' | |
YELLOW='\001\033[33m\002' | |
GREEN='\001\033[32m\002' | |
BLUE='\001\033[34m\002' | |
DARK_BLUE='\001\033[36m\002' | |
COLOR_NONE='\001\033[00m\002' | |
function parse_git_branch { | |
local AHEAD='↑' | |
local LATE='↓' | |
local DIVERGE='↕' | |
local NOT_CLEAN='!' | |
git rev-parse --git-dir &> /dev/null | |
if [ $? != 0 ]; then | |
echo "NOT_A_GIT_REPO" | |
else | |
git_status="$(git status 2> /dev/null)" | |
branch_pattern="^# On branch ([^${IFS}]*)" | |
remote_pattern="# Your branch is (.*)" | |
diverge_pattern="# Your branch and (.*) have diverged" | |
if [[ ! ${git_status} =~ "working tree clean" ]]; then | |
state="${RED}${NOT_CLEAN}" | |
fi | |
# add an else if or two here if you want to get more specific | |
if [[ ${git_status} =~ ${remote_pattern} ]]; then | |
if [[ ${BASH_REMATCH[1]} =~ "ahead of" ]]; then | |
remote="${YELLOW}${AHEAD}" | |
else | |
remote="${YELLOW}${LATE}" | |
fi | |
fi | |
if [[ ${git_status} =~ ${diverge_pattern} ]]; then | |
remote="${YELLOW}${DIVERGE}" | |
fi | |
branch=$(git rev-parse --abbrev-ref HEAD 2> /dev/null) | |
echo " (${branch})${remote}${state}" | |
fi | |
} | |
function prompt_func() { | |
previous_return_value=$?; | |
local git_result=$(parse_git_branch) | |
if [ "$git_result" == "NOT_A_GIT_REPO" ]; then | |
eval ${OLD_PROMPT_COMMAND} | |
PS1=$PS1_ORIG | |
else | |
local GIT_TOPLEVEL=$(git rev-parse --show-toplevel) | |
local prompt="${BLUE}[${RED}${PWD/#${GIT_TOPLEVEL%/*}/}${GREEN}${git_result}${BLUE}]${COLOR_NONE}" | |
local SEP="➔" | |
eval ${OLD_PROMPT_COMMAND} #Set the title value | |
if test $previous_return_value -eq 0; then | |
PS1="${prompt}${SEP}${COLOR_NONE} " | |
else | |
PS1="${prompt}${RED}${SEP}${COLOR_NONE} " | |
fi | |
fi | |
} | |
PROMPT_COMMAND=prompt_func | |
# END : git, coloration |
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