#!/bin/bash -n # -------------------------------------------------------------------------------- # (C)opyright 2025 by Daniel Dietrich - MIT license # -------------------------------------------------------------------------------- # # -------------------------------------------------------------------------------- # # Usage: # # | Command | Description | # | ------------------------------------------- | ------------------------------ | # | . <(curl gitprompt.sh) | Use gitprompt in Active shell | # | curl gitprompt.sh/install | sh | Install gitprompt to $HOME | # # Customize gitprompt by placing ENV vars in your .bashrc or .zshrc file. # # | ENV var | Default | Description | # | ----------------------- | ------------ | ----------------------------------- | # | GP_COLOR_GIT_BRANCH | "38;5;8" | Branch color | # | GP_COLOR_GIT_REPOSITORY | "38;5;7" | Repository color | # | GP_COLOR_GIT_STATUS | "38;5;209" | Dirty state color | # | GP_COLOR_GIT_UNPUSHED | "38;5;221" | Unpushed state color | # | GP_COLOR_GIT_UNTRACKED | "38;5;197" | Untracked file color | # | GP_COLOR_GIT_USER | "38;5;21" | Current user color | # | | | | # | GP_COLOR_PROMPT | "38;5;49" | Prompt color | # | GP_COLOR_PWD_DARK | "1;38;5;24" | Directory color dark | # | GP_COLOR_PWD_LIGHT | "1;38;5;39" | Directory color light | # | | | | # | GP_PROMPT_SYMBOL | "❯" | Prompt symbol | # | GP_SEPARATOR | " " | Separator between git parts | # | GP_USER | (unset) | When set displays git user.email | # # -------------------------------------------------------------------------------- # shellcheck disable=SC2155 __gp_color() { if [ -n "$ZSH_VERSION" ]; then echo -ne "%{\e[$1m%}" else echo -ne "\001\033[$1m\002" fi } __gp_status() { # preferences local COLOR_BRANCH=$(__gp_color "${GP_COLOR_GIT_BRANCH:-38;5;8}") local COLOR_REPOSITORY=$(__gp_color "${GP_COLOR_GIT_REPOSITORY:-38;5;7}") local COLOR_STATUS=$(__gp_color "${GP_COLOR_GIT_STATUS:-38;5;209}") local COLOR_UNPUSHED=$(__gp_color "${GP_COLOR_GIT_UNPUSHED:-38;5;221}") local COLOR_UNTRACKED=$(__gp_color "${GP_COLOR_GIT_UNTRACKED:-38;5;197}") local COLOR_USER=$(__gp_color "${GP_COLOR_GIT_USER:-38;5;21}") local COLOR_RESET=$(__gp_color 0) local SEPARATOR=${GP_SEPARATOR-" "} # default " " if unset OR empty # variables local git_status branch_info local state_display untracked changes untracked_state dirty_state local branch_display branch local unpushed_display remote ahead behind unpushed local repository_display repository local user_display user __append() { echo -n "${SEPARATOR}${1}" } __parse() ( echo -n "$(sed -rn "$1" <<< "$branch_info")" ) # first line: branch, remote, ahead, behind # subsequent lines: local changes if ! git_status=${2:-"$(git status -sb 2>/dev/null)"}; then return 0 fi branch_info=$(head -n 1 <<< "$git_status") # parse state untracked=$(echo "$git_status" | tail -n +2 | grep -c "^??") changes=$(echo "$git_status" | tail -n +2 | grep -c -v "^??") untracked_state=$([ "$untracked" -gt 0 ] && __append "?$untracked") dirty_state=$([ "$changes" -gt 0 ] && __append "±$changes") # parse branch branch=$(__parse "s/^## (HEAD $no branch$)$/\1/p") branch=${branch:-$(__parse "s/^## No commits yet on ([^\.]*).*$/\1/p")} branch=${branch:-$(__parse "s/^## ([^\.]*)[\.]{3}.*$/\1/p")} # branch...remote branch=${branch:-$(__parse "s/^## (.*)[^ ]*.*$/\1/p")} # branch # parse push state remote=$(__parse "s/^## .*[\.]{3}([^ ]*).*$/\1/p") ahead=$(__parse "s/^## .* \[.*ahead ([0-9]*).*$/\1/p") behind=$(__parse "s/^## .* \[.*behind ([0-9]*).*$/\1/p") unpushed=$( [ -z "$remote" ] && __append "[local]"; [ -n "$ahead" ] && __append "↑$ahead"; [ -n "$behind" ] && __append "↓$behind"; ) # parse repository name repository=$(git remote get-url origin 2>/dev/null | sed 's/.*\///' | sed 's/\.git$//') repository=${repository:-$(git rev-parse --show-toplevel | xargs basename)} # parse user.name user=$([ -n "$GP_USER" ] && git config user.email) # create display strings branch_display="${COLOR_BRANCH}⎇ ${branch}$(if [ -n "$remote" ] && [ "$remote" != "origin/$branch" ]; then echo -n " → $remote"; fi)" state_display="${COLOR_STATUS}${dirty_state}${COLOR_UNTRACKED}${untracked_state}" unpushed_display="${COLOR_UNPUSHED}${unpushed}" repository_display="${COLOR_REPOSITORY}${repository}$(__append "${branch_display}")" user_display="${COLOR_USER}$(if [ -n "$user" ]; then __append "$user"; fi)" # combine results, substitution after newline necessary because of trimming printf "%s\n%s" "${repository_display}${unpushed_display}${state_display}${user_display}" "${COLOR_RESET}" } __gp_pwd() { # preferences local COLOR_DARK=$(__gp_color "${GP_COLOR_PWD_DARK:-1;38;5;24}") local COLOR_LIGHT=$(__gp_color "${GP_COLOR_PWD_LIGHT:-1;38;5;39}") local COLOR_RESET=$(__gp_color 0) # variables local pwd="${PWD/#$HOME/~}" local dir prefix suffix # computing directory components dir=$(dirname "$pwd" 2>/dev/null) prefix=$(if [[ "$dir" == "." ]] || [[ -z "$dir" ]]; then echo -n ""; elif [[ "$dir" == "/" ]]; then echo -n "/"; else echo -n "$dir/"; fi) dir=$(basename "$pwd" 2>/dev/null) suffix=$(if [[ "$dir" == "/" ]]; then echo -n ""; else echo -n "$dir"; fi) # combine results printf "%s" "${COLOR_DARK}${prefix/#\~/${COLOR_LIGHT}~${COLOR_DARK}}${COLOR_LIGHT}${suffix}${COLOR_RESET}" } __gp_prompt() { # preferences local COLOR_PROMPT=$(__gp_color "${GP_COLOR_PROMPT:-38;5;49}") local COLOR_RESET=$(__gp_color 0) local PROMPT_SYMBOL=${GP_PROMPT_SYMBOL-"❯"} # combine results printf "%s" "${COLOR_PROMPT}${PROMPT_SYMBOL}${COLOR_RESET}" } export TERM=xterm-256color if [ -n "$ZSH_VERSION" ]; then setopt PROMPT_SUBST export PROMPT="\$(__gp_status)%\$((\$COLUMNS / 2))<…<\$(__gp_pwd) \$(__gp_prompt) " else export PS1="\$(__gp_status)\$(__gp_pwd) \$(__gp_prompt) " fi