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# fast prompt theme
# MIT License
# Based on lean prompt theme by Miek Gieben: https://github.com/miekg/lean
# Based on Pure by Sindre Sorhus: https://github.com/sindresorhus/pure
: ${PROMPT_FAST_NOTITLE=0} ${PROMPT_FAST_VIMODE=y} ${PROMPT_FAST_VIMODE_FORMAT=%S} ${PROMPT_FAST_CMD_MAX_EXEC_TIME=5}
prompt_fast_help () {
cat << EOF
This is a one line prompt that tries to stay out of your face. It utilizes the
left side prompt for most information, like the CWD. When the exit code of a
process isn't zero the prompt turns red and the exit code is displayed. If a
process takes more than 5 (default) seconds to run the total running time is
shown in the next prompt.
Configuration:
PROMPT_FAST_VIMODE: used to determine whether or not to display indicator (default on)
PROMPT_FAST_VIMODE_FORMAT: Defaults to "%S"
PROMPT_FAST_NOTITLE: used to determine whether or not to set the title, set to 0
by default. Set it to your own condition, make it 1 when you don't want the
title set.
PROMPT_FAST_CMD_MAX_EXEC_TIME: if a commands takes more than this many seconds,
show how long it took
EOF
}
# fastest possible way to check if repo is dirty
prompt_fast_git_dirty () {
# check if we're in a git repo
git rev-parse --is-inside-work-tree &>/dev/null &&
# check if it's dirty
[ -n "$(git status --porcelain --ignore-submodules -uno 2>/dev/null | head -n 1)" ] &&
echo ' +'
}
# displays the exec time of the last command if set threshold was exceeded
prompt_fast_cmd_exec_time () {
[ -n "$cmd_timestamp" ] || return
integer elapsed=$EPOCHSECONDS-$cmd_timestamp
((elapsed > PROMPT_FAST_CMD_MAX_EXEC_TIME)) || return
# turns seconds into human readable time, 165392 => 1d 21h 56m 32s
((elapsed > 60 * 60 * 24)) && print -f '%dd ' $((elapsed / 60 / 60 / 24))
((elapsed > 60 * 60)) && print -f '%dh ' $((elapsed / 60 / 60 % 24))
((elapsed > 60)) && print -f '%dm ' $((elapsed / 60 % 60))
((elapsed > 0)) && print -f '%ds ' $((elapsed % 60))
}
prompt_fast_set_title () {
# shows the current tty and dir and executed command in the title when a process is active
print -Pn '\e]0;'
tr -dc '[:print:]' <<< "$1"
print -Pn ' - %~$prompt_fast_title_host\a'
}
prompt_fast_preexec () {
cmd_timestamp=$EPOCHSECONDS
((PROMPT_FAST_NOTITLE != 1)) && prompt_fast_set_title "$1"
}
prompt_fast_pwd () {
local fast_path=$(print -Pn '%~')
local components=${#fast_path//[^\/]} # this counts the initial /
# Only abbreviate as /1/…/2/3 if we have something to cut out between 1 and 2!
# /1/2/3 -> /1/…/2/3 makes no sense.
if ((components > 3 && $#fast_path > ${PROMPT_FAST_PATH_FRACTION:-0.33} * COLUMNS)); then
print -Pn '%-1~/…/%2/'
else
print "$fast_path"
fi
}
prompt_fast_precmd () {
((PROMPT_FAST_NOTITLE != 1)) && print -Pn "\\e]0;%~$prompt_fast_title_host\a"
vcs_info
local a j jobs=()
for a j (${(kv)jobstates}); do
i=${${(@s,:,)j}[2]}
jobs+=($a${i//[^+-]/})
done
# print with [ ] and space separated
local prompt_fast_jobs=${jobs:+%F{8}[${(j: :)jobs}] }
local vimode=${${KEYMAP/vicmd/${PROMPT_FAST_VIMODE:+$PROMPT_FAST_VIMODE_FORMAT}}/(main|viins)/}
setopt promptsubst
local vcs_info_str='$vcs_info_msg_0_' # avoid https://github.com/njhartwell/pw3nage
local genv_short=${GUIX_ENVIRONMENT##*/}
genv_short=${genv_short:0:5}
local italic=$'\e[03m'
PROMPT="${TMUX+%F{yellow\}t }${GUIX_ENVIRONMENT+%F{11\}${genv_short}%u }$prompt_fast_jobs$prompt_fast_host%F{blue}$(prompt_fast_pwd)%F{8}$vcs_info_str$(prompt_fast_git_dirty) %F{yellow}$(prompt_fast_cmd_exec_time)%(?..%B%F{red}%?%f%b )%(?.%F{blue}.%B%F{red})$vimode%#%s%u%f%k%b "
unset cmd_timestamp # reset value since `preexec` isn't always triggered
}
zle-keymap-select () {
prompt_fast_precmd
zle reset-prompt
}
prompt_fast_setup () {
prompt_opts=(cr percent sp subst)
#zmodload zsh/datetime # for strftime -- appears unused
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
[ -z "$PROMPT_FAST_VIMODE" ] && zle -N zle-keymap-select
add-zsh-hook precmd prompt_fast_precmd
add-zsh-hook preexec prompt_fast_preexec
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:git*' formats ' %b'
zstyle ':vcs_info:git*' actionformats ' %b|%a'
if [ -n "$SSH_CONNECTION" ]; then
prompt_fast_title_host=' - %n@%m'
prompt_fast_host='%(!.%F{red}.%F{green})%n@%m:'
else
prompt_fast_title_host='%(!. - %n@%m.)'
prompt_fast_host='%(!.%F{red}%n@%m:.)'
fi
return 0
}
if [ "$TERM" = dumb ]; then
# Emacs Tramp needs a simple prompt when connecting over SSH.
PS1='$ '
else
prompt_fast_setup "$@"
fi
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