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make git prompt more useful
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| RED="\[\033[0;31m\]" | |
| YELLOW="\[\033[0;33m\]" | |
| GREEN="\[\033[0;32m\]" | |
| BLUE="\[\033[0;34m\]" | |
| LIGHT_RED="\[\033[1;31m\]" | |
| LIGHT_GREEN="\[\033[1;32m\]" | |
| WHITE="\[\033[1;37m\]" | |
| LIGHT_GRAY="\[\033[0;37m\]" | |
| COLOR_NONE="\[\e[0m\]" | |
| function parse_git_branch { | |
| git rev-parse --git-dir &> /dev/null | |
| git_status="$(git status 2> /dev/null)" | |
| branch_pattern="^# On branch ([^${IFS}]*)" | |
| detached_branch_pattern="# Not currently on any branch" | |
| remote_pattern="# Your branch is (.*) of" | |
| diverge_pattern="# Your branch and (.*) have diverged" | |
| if [[ ${git_status}} =~ "Changed but not updated" ]]; then | |
| state="${RED}⚡" | |
| fi | |
| # add an else if or two here if you want to get more specific | |
| if [[ ${git_status} =~ ${remote_pattern} ]]; then | |
| if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then | |
| remote="${YELLOW}↑" | |
| else | |
| remote="${YELLOW}↓" | |
| fi | |
| fi | |
| if [[ ${git_status} =~ ${diverge_pattern} ]]; then | |
| remote="${YELLOW}↕" | |
| fi | |
| if [[ ${git_status} =~ ${branch_pattern} ]]; then | |
| branch=${BASH_REMATCH[1]} | |
| elif [[ ${git_status} =~ ${detached_branch_pattern} ]]; then | |
| branch="${YELLOW}NO BRANCH" | |
| fi | |
| if [[ ${#state} -gt "0" || ${#remote} -gt "0" ]]; then | |
| s=" " | |
| fi | |
| echo " ${branch}${s}${remote}${state}" | |
| } | |
| function prompt_func() { | |
| git rev-parse --git-dir > /dev/null 2>&1 | |
| if [ $? -eq 0 ]; then | |
| prompt="${TITLEBAR}${BLUE}[${RED}\W${GREEN}$(parse_git_branch)${BLUE}]${COLOR_NONE} " | |
| PS1="${prompt}$ " | |
| else | |
| PS1=$PSAVE | |
| fi | |
| } | |
| export PSAVE=$PS1 | |
| PROMPT_COMMAND=prompt_func |
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