tvl-depot/home/modules/pure.zsh-theme
Griffin Smith 28ccec9704 Initial commit
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2020-03-28 11:47:06 -04:00

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#!/bin/zsh -f
# vim: ft=zsh:
# MIT License
# For my own and others sanity
# git:
# %b => current branch
# %a => current action (rebase/merge)
# prompt:
# %F => color dict
# %f => reset color
# %~ => current path
# %* => time
# %n => username
# %m => shortname host
# %(?..) => prompt conditional - %(condition.true.false)
# turns seconds into human readable time
# 165392 => 1d 21h 56m 32s
prompt_pure_human_time() {
local tmp=$1
local days=$(( tmp / 60 / 60 / 24 ))
local hours=$(( tmp / 60 / 60 % 24 ))
local minutes=$(( tmp / 60 % 60 ))
local seconds=$(( tmp % 60 ))
(( $days > 0 )) && echo -n "${days}d "
(( $hours > 0 )) && echo -n "${hours}h "
(( $minutes > 0 )) && echo -n "${minutes}m "
echo "${seconds}s"
}
is_git_repo() {
command git rev-parse --is-inside-work-tree &>/dev/null
return $?
}
# fastest possible way to check if repo is dirty
prompt_pure_git_dirty() {
# check if we're in a git repo
is_git_repo || return
# check if it's dirty
[[ "$PURE_GIT_UNTRACKED_DIRTY" == 0 ]] && local umode="-uno" || local umode="-unormal"
command test -n "$(git status --porcelain --ignore-submodules ${umode})"
(($? == 0)) && echo '*'
}
prompt_pure_git_wip() {
is_git_repo || return
local subject="$(command git show --pretty=%s --quiet HEAD 2>/dev/null)"
[ "$subject" == 'wip' ] && echo '[WIP]'
}
# displays the exec time of the last command if set threshold was exceeded
prompt_pure_cmd_exec_time() {
local stop=$EPOCHSECONDS
local start=${cmd_timestamp:-$stop}
integer elapsed=$stop-$start
(($elapsed > ${PURE_CMD_MAX_EXEC_TIME:=5})) && prompt_pure_human_time $elapsed
}
prompt_pure_preexec() {
cmd_timestamp=$EPOCHSECONDS
# shows the current dir and executed command in the title when a process is active
print -Pn "\e]0;"
echo -nE "$PWD:t: $2"
print -Pn "\a"
}
# string length ignoring ansi escapes
prompt_pure_string_length() {
echo ${#${(S%%)1//(\%([KF1]|)\{*\}|\%[Bbkf])}}
}
prompt_pure_nix_info() {
local packages_info=''
if [[ -z $NIX_SHELL_PACKAGES ]]; then
packages_info='[nix-shell]'
else
packages_info="{ $NIX_SHELL_PACKAGES }"
fi
case $IN_NIX_SHELL in
'pure')
echo "$fg_bold[green][nix-shell] "
;;
'impure')
echo "$fg_bold[magenta][nix-shell] "
;;
*) ;;
esac
}
prompt_pure_precmd() {
# shows the full path in the title
print -Pn '\e]0;%~\a'
# git info
vcs_info
local prompt_pure_preprompt="\n$(prompt_pure_nix_info)$fg_bold[green]$prompt_pure_username%F{blue}%~%F{yellow}$vcs_info_msg_0_`prompt_pure_git_dirty` $fg_no_bold[red]`prompt_pure_git_wip`%f %F{yellow}`prompt_pure_cmd_exec_time`%f "
print -P $prompt_pure_preprompt
# check async if there is anything to pull
# (( ${PURE_GIT_PULL:-1} )) && {
# # check if we're in a git repo
# command git rev-parse --is-inside-work-tree &>/dev/null &&
# # make sure working tree is not $HOME
# [[ "$(command git rev-parse --show-toplevel)" != "$HOME" ]] &&
# # check check if there is anything to pull
# command git fetch &>/dev/null &&
# # check if there is an upstream configured for this branch
# command git rev-parse --abbrev-ref @'{u}' &>/dev/null && {
# local arrows=''
# (( $(command git rev-list --right-only --count HEAD...@'{u}' 2>/dev/null) > 0 )) && arrows='⇣'
# (( $(command git rev-list --left-only --count HEAD...@'{u}' 2>/dev/null) > 0 )) && arrows+='⇡'
# print -Pn "\e7\e[A\e[1G\e[`prompt_pure_string_length $prompt_pure_preprompt`C%F{cyan}${arrows}%f\e8"
# }
# } &!
# reset value since `preexec` isn't always triggered
unset cmd_timestamp
}
prompt_pure_setup() {
# prevent percentage showing up
# if output doesn't end with a newline
export PROMPT_EOL_MARK=''
prompt_opts=(cr subst percent)
zmodload zsh/datetime
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
add-zsh-hook precmd prompt_pure_precmd
add-zsh-hook preexec prompt_pure_preexec
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:git*' formats ' %b'
zstyle ':vcs_info:git*' actionformats ' %b|%a'
# show username@host if logged in through SSH
[[ "$SSH_CONNECTION" != '' ]] && prompt_pure_username='%n@%m '
# prompt turns red if the previous command didn't exit with 0
PROMPT='%(?.%F{green}.%F{red})%f '
}
prompt_pure_setup "$@"