132 lines
3.2 KiB
Plaintext
132 lines
3.2 KiB
Plaintext
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setopt prompt_subst # enable command substitution in prompt
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PROMPT='$(prompt_cmd)'
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RPROMPT=''
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ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[white]%} 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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[ $UID -eq 0 ]
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fi
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}
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prompt_cmd() {
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# exit code
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local exit_code=$?
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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[white]%}$exit_code_hex"
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else
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exit_code_hex="%{$fg[red]%}$exit_code_hex"
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fi
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# name@hostname
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local default_color="green"
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local user_color="$default_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[$default_color]%}@%m"
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# working directory
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local wd_arr=($(grep -Eo '[^/]+' <<<"${PWD/$HOME/~}"))
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local dir_count=${#wd_arr[@]}
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local dir_abbr=$((dir_count-3))
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for ((i=dir_count; i >= 1 ; i--)); do
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local dir="${wd_arr[i]}"
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if [ $i -lt $dir_abbr ]; then
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wd="${dir:0:1}/$wd"
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else
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wd="$dir/$wd"
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fi
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done
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if [ -z "$wd" ]; then
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wd="//"
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elif [ "${wd:0:1}" != "~" ]; then
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wd="/$wd"
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fi
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wd="%{$fg[yellow]%}${wd:0:-1}"
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# prompt
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if [ "$IS_ROOT" = true ]; then
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local prompt="%{$fg[red]%}#"
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else
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local prompt="%{$fg[white]%}$"
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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]" "%{$fg[white]%}" "$prompt_status" "%{$reset_color%}%{$fg[white]%}")"
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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)" > "/tmp/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 temp file
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RPROMPT="$(cat /tmp/zsh_prompt_$$)"
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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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