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vdotfiles/zsh/prompt-powerline.zsh
2022-11-24 19:10:49 +02:00

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prompt_fmtn='[ %%{\e[2;3m%%}%s%%{\e[0m%%} ] '
printf -v PROMPT2 $prompt_fmtn '%_'
printf -v PROMPT3 $prompt_fmtn '?#'
printf -v PROMPT4 $prompt_fmtn '+%N:%i'
prompt_fifo=~/.zsh_gitstatus_$$
typeset -A prompt_symbols=(
sep_a $'\ue0b0'
sep_b $'\ue0b1'
ellipsis $'\u2026'
ro $'\u2717'
ssh $'\u23fb'
git $'\ue0a0'
git_unstaged '±'
git_staged $'\u2713'
git_untracked '!'
git_unmerged '*'
bang $'\n\U01f525'
)
# gruvbox
typeset -A prompt_colors=(
fg '#ebdbb2'
user '#458588'
root '#cc241d'
ssh '#d65d0e'
host '#504945'
cwd '#3c3836'
ro '#d65d0e'
git_branch '#504945'
git_unstaged '#d65d0e'
git_staged '#458588'
git_untracked '#cc241d'
git_unmerged '#689d6a'
)
# 256 color
#typeset -A prompt_colors=(
# fg 253
# user 24
# root 124
# ssh 66
# host 238
# cwd 236
# ro 88
# git_branch 238
# git_unstaged 166
# git_untracked 124
# git_unmerged 171
# git_staged 54
#)
precmd.prompt.init() {
typeset -g prompt_string= prev_color=
}
precmd.prompt.add() {
(( $# < 2 )) && return 1
typeset data=$1 color=$2
if [[ -z $prompt_string ]]; then
prompt_string+="%K{$color}%F{$prompt_colors[fg]} $data "
else
prompt_string+="%F{$prev_color}%K{$color}$prompt_symbols[sep_a]%F{$prompt_colors[fg]} $data "
fi
prev_color=$color
}
precmd.prompt.add_same() {
prompt_string+="$prompt_symbols[sep_b] $* "
}
precmd.prompt.bang() {
prompt_string+="%F{$prev_color}%k$prompt_symbols[sep_a]%f$prompt_symbols[bang] "
}
precmd.prompt.apply() {
PROMPT=$prompt_string
unset prompt_string
}
precmd.prompt.user() {
typeset c=user
(( UID )) || c=root
precmd.prompt.add %n $prompt_colors[$c]
}
precmd.prompt.ssh() {
[[ -n $SSH_CONNECTION ]] && precmd.prompt.add $prompt_symbols[ssh] $prompt_colors[ssh]
}
precmd.prompt.host() {
precmd.prompt.add %m $prompt_colors[host]
}
precmd.prompt.cwd() {
precmd.prompt.add %~ $prompt_colors[cwd]
}
precmd.prompt.ro() {
[[ -w . ]] || precmd.prompt.add $prompt_symbols[ro] $prompt_colors[ro]
}
precmd.is_git_repo() {
typeset prompt_git_dir
prompt_git_dir=$(git rev-parse --git-dir 2>/dev/null) || return 1
[[ ! -e $prompt_git_dir/nozsh ]]
}
precmd.prompt.pre_git() {
precmd.prompt.add "$prompt_symbols[git] $prompt_symbols[ellipsis]" $prompt_colors[git_branch]
}
precmd.prompt.git() {
typeset raw_status
raw_status=$(git status --porcelain -bu 2>/dev/null) || return 0
typeset -A count
typeset branch_status git_status_string IFS=
while read line; do
case $line[1,2] in
('##')
branch_status=${line[4,-1]%%...*}
[[ $line =~ behind ]] && branch_status+=?
[[ $line =~ ahead ]] && branch_status+=!
precmd.prompt.add "$prompt_symbols[git] $branch_status" $prompt_colors[git_branch]
;;
(?[MD]) (( ++count[git_unstaged] )) ;|
([MDARC]?) (( ++count[git_staged] )) ;|
('??') (( ++count[git_untracked] )) ;|
([ADU][ADU]) (( ++count[git_unmerged] ))
esac
done <<< $raw_status
for i in git_unstaged git_untracked git_unmerged git_staged; do
(( count[$i] )) && precmd.prompt.add "$count[$i]$prompt_symbols[$i]" $prompt_colors[$i]
done
}
precmd.prompt() {
precmd.prompt.init
precmd.prompt.user
precmd.prompt.ssh
precmd.prompt.host
precmd.prompt.cwd
precmd.prompt.ro
}
precmd.git_update() {
precmd.prompt
precmd.prompt.git
precmd.prompt.bang
[[ ! -p $prompt_fifo ]] && mkfifo -m 0600 $prompt_fifo
echo -n $prompt_string > $prompt_fifo &!
kill -s USR1 $$
}
precmd.prompt.update() {
typeset -g prompt_string=$(<$prompt_fifo)
precmd.prompt.apply
zle && zle reset-prompt
}
precmd() {
precmd.prompt
if precmd.is_git_repo; then
precmd.prompt.pre_git
precmd.git_update &!
fi
precmd.prompt.bang
precmd.prompt.apply
}
TRAPUSR1() {
precmd.prompt.update
}
TRAPEXIT() {
[[ -p $prompt_fifo ]] && rm $prompt_fifo
}
function zle-line-init zle-keymap-select {
local seq=$'\e[2 q'
[[ $KEYMAP == vicmd ]] && seq=$'\e[4 q'
printf $seq
}
zle -N zle-line-init
zle -N zle-keymap-select