135 lines
3.5 KiB
Bash
135 lines
3.5 KiB
Bash
# enable command substitution in prompt
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setopt prompt_subst
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PROMPT='$(prompt_cmd)'
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RPROMPT=''
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[[ -v ZSH_THEME_HOSTNAME_COLOR ]] || ZSH_THEME_HOSTNAME_COLOR="$(printf "%03d" "$(hostname | md5sum | head -c2)")"
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# we export this for motd
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export ZSH_THEME_HOSTNAME_COLOR
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ZSH_THEME_GIT_PROMPT_PREFIX="%{$FG[008]%} on %{$fg[cyan]%}"
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ZSH_THEME_GIT_PROMPT_SUFFIX=""
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ZSH_THEME_GIT_PROMPT_ADDED="%{$fg_bold[green]%}+"
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ZSH_THEME_GIT_PROMPT_MODIFIED="%{$fg_bold[blue]%}!"
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ZSH_THEME_GIT_PROMPT_DELETED="%{$fg_bold[red]%}-"
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ZSH_THEME_GIT_PROMPT_RENAMED="%{$fg_bold[magenta]%}>"
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ZSH_THEME_GIT_PROMPT_UNMERGED="%{$fg_bold[yellow]%}#"
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ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg_bold[cyan]%}?"
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ZSH_THEME_GIT_PROMPT_AHEAD="%{$fg_bold[white]%}↑"
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ZSH_THEME_GIT_PROMPT_BEHIND="%{$fg_bold[white]%}↓"
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# Evaluate if root user
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__is_root() {
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if uname -s | egrep '^(CYGWIN)|(MINGW)|(MSYS)' 2>&1 >/dev/null; then
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id -G | grep 544 2>&1 >/dev/null
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else
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[ $UID -eq 0 ]
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fi
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}
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# Get the tmp directory
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function __get_runtime_dir() {
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if [[ -n "$XDG_RUNTIME_DIR" ]]; then
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echo -n "$XDG_RUNTIME_DIR"
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else
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echo -n "/tmp/"
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fi
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}
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prompt_cmd() {
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# exit code
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local exit_code=$?
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local exit_code_hex=$(printf '(%02x)' $exit_code)
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if [[ exit_code -eq 0 ]]; then
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exit_code_hex="%{$FG[008]%}$exit_code_hex"
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else
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exit_code_hex="%{$fg[red]%}$exit_code_hex"
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fi
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# name@hostname
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local user_color="$ZSH_THEME_HOSTNAME_COLOR"
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if __is_root; then
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local user_color="red"
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fi
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local name_hostname="%{$FG[$user_color]%}$USER%{$FG[$ZSH_THEME_HOSTNAME_COLOR]%}@%m"
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# working directory
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local wd_base="${PWD/$HOME/~}"
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local wd_post=$(echo "$wd_base" | grep -Eo '(^~|/[^/]+){1,4}$')
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local wd_pre=$(echo "${wd_base/$wd_post/}" | grep -Eo '^~|/[^/]{2}' | tr -d '\n' )
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local wd="$wd_pre$wd_post"
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[[ "$wd" == "" ]] && wd="/"
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wd="%{$fg[yellow]%}$wd"
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# prompt
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if __is_root; then
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# #
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local prompt="%{$fg[red]%}#"
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else
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# $
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local prompt="%{$FG[008]%}$"
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fi
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printf "%s %s %s\n%s %s" "$exit_code_hex" "$name_hostname" "$wd" "$prompt" "%{$reset_color%}"
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}
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rprompt_cmd() {
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# git
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if git rev-parse --git-dir >/dev/null 2>&1; then
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local prompt_info="$(git_prompt_info)"
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if [[ -z "$prompt_info" ]]; then
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local git_rev="$(git_prompt_short_sha)"
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else
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local git_rev="$prompt_info"
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fi
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local prompt_status="$(git_prompt_status)"
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if [[ -n "$prompt_status" ]]; then
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local git_status="$(printf "%s[%s%s]" "%{$FG[008]%}" "$prompt_status" "%{$reset_color%}%{$FG[008]%}")"
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fi
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fi
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printf "%s %s%s" "$git_rev" "$git_status" "%{$reset_color%}"
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}
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# Based on http://www.anishathalye.com/2015/02/07/an-asynchronous-shell-prompt/
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ASYNC_PROC=0
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function precmd() {
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function async() {
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# save to temp file
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printf "%s" "$(rprompt_cmd)" > "$(__get_runtime_dir)/zsh_prompt_$$"
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# signal parent
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kill -s USR1 $$
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}
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# do not clear RPROMPT, let it persist
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# kill child if necessary
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if [[ "${ASYNC_PROC}" != 0 ]]; then
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kill -s HUP $ASYNC_PROC >/dev/null 2>&1 || :
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fi
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# start background computation
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async &!
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ASYNC_PROC=$!
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}
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function TRAPUSR1() {
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# read from tmp file
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RPROMPT="$(cat $(__get_runtime_dir)/zsh_prompt_$$)"
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rm "/tmp/zsh_prompt_$$" &>/dev/null
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# reset proc number
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ASYNC_PROC=0
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# redisplay
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zle && zle reset-prompt
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}
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# vim: syn=zsh
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