rc/prompt

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################################################################################
# Utility functions for the prompt #
################################################################################
# Depending if root or not, displays the right prompt char
# and changes the color of the username
color_username () {
if [[ $EUID -eq 0 ]]; then
echo "%{$fg_bold[red]%}%n"
else
echo "%{$fg_bold[green]%}%n"
fi
}
color_prompt_char () {
if [[ $EUID -eq 0 ]]; then
echo "%{$fg_no_bold[red]%}#%{$reset_color%}"
else
echo "%{$fg_no_bold[green]%}$%{$reset_color%}"
fi
}
# Host coloring, specific to Rezometz
color_host () {
local couleur_hote=""
case $HOST in
TwelveYearsAndStillGoingStrong|lharkinateur|BecauseROSThatSWhy|lharktop|blieuxor)
couleur_hote=cyan;;
chimay|orval)
couleur_hote=magenta;;
babel|taima|era|vidar|okami|athena)
couleur_hote=red;;
loki|skadi)
couleur_hote=blue;;
*)
couleur_hote=white;;
esac
echo "%{$fg_bold[$couleur_hote]%}%m"
}
last_status () {
echo "%(?..%{$fg_no_bold[red]%}[%?])"
}
virtual_env() {
local prefix=" %{$fg_bold[green]%}(%{%b$fg[green]%}"
local suffix="%{$reset_color$fg_bold[green]%})%{$reset_color%}"
[[ -n ${VIRTUAL_ENV} ]] || return
printf "${prefix}${VIRTUAL_ENV:t}${suffix}"
}
prompt_chars() {
local git_char=''
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
local git_char="%{$fg_no_bold[blue]%}±%{$reset_color%}"
fi
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printf "%s" "${_GIT_CHAR}$(last_status) $(color_prompt_char)"
}
charge_batterie() {
local BATTERY=/sys/class/power_supply/BAT0
local REM_CAP=`cat $BATTERY/charge_now`
local FULL_CAP=`cat $BATTERY/charge_full`
local BATSTATE=`cat $BATTERY/status`
local CHARGE=$(( $REM_CAP * 100 / $FULL_CAP ))
local Batterie=""
case $BATSTATE in
'Full')
Batterie="~";;
'Charging')
Batterie="+";;
'Discharging')
Batterie="-";;
esac
# Maximum à 100%
if [ $CHARGE -gt "99" ]
then
CHARGE=100
fi
local Couleur="magenta"
if [ $CHARGE -gt "15" ]
then
Couleur="yellow"
fi
if [ $CHARGE -gt "30" ]
then
Couleur="green"
fi
echo %{$fg[${Couleur}]%B%}${Batterie}%{%b$fg[${Couleur_batt}]%}$CHARGE%%%{$reset_color%}
}
prompt_msg () {
# TODO clean up /dev/shm when prompt_msg not in use
# TODO Use unique filename in case multiple people use the same prompt
line=$(tail -1 /dev/shm/prompt_msg) 2> /dev/null
case $line in
update_rc)
msg="Update ready for rc. Run uprc to proceed";;
git_unpushed)
msg="You have unpushed business in $HOME/rc";;
git_network_unreachable)
msg="Can't reach rc git repo";;
update_sys*)
nb_pkg=$(printf "$line" | grep -o '[0-9]*' | head -n 1)
msg="Update ready for the system. $nb_pkg new package$([ $nb_pkg -gt 1 ] && printf "s")";;
*)
msg="";;
esac
# Remove last message from stack before it drives us mad
sed -i '$ d' /dev/shm/prompt_msg 2> /dev/null
echo $msg
}
# Display vim mode while using zle line editing
# https://dougblack.io/words/zsh-vi-mode.html
vim_mode () {
VIM_NORMAL="%{$fg_bold[red]%}[% N]% "
VIM_INSERT="%{$fg_bold[green]%}[% I]% "
VIM_PROMPT="${${KEYMAP/vicmd/$VIM_NORMAL}/(main|viins)/$VIM_INSERT}"
echo "$VIM_PROMPT%{$reset_color%}"
}
# set formats
# %R - repository path
# %S - path in the repository
# %a - action (e.g. rebase-i)
# %b - branchname
# %c - stangedstr (see below)
# %i - The current revision number or identifier.
# %m - Misc. In case of Git, show information about stashes
# %r - The name of the root directory of the repository
# %s - The current version control system, like git or svn
# %u - unstagedstr (see below)
fmt_branch="%b%{$reset_color%} %u%c%m%{$reset_color%}" # e.g. master¹²
fmt_action="(%{$fg[red]%}%a%{$reset_color%})" # e.g. (rebase-i)
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fmt_pre="%{$fg_bold[blue]%}[%{$reset_color%}%{$fg[blue]%}"
fmt_post="%{$fg_bold[blue]%}]%{$reset_color%}"
# check-for-changes can be really slow.
# you should disable it, if you work with large repositories
zstyle ':vcs_info:*' enable git cvs svn
zstyle ':vcs_info:*' check-for-changes true
zstyle ':vcs_info:*' unstagedstr "%{$fg_no_bold[yellow]%}●"
zstyle ':vcs_info:*' stagedstr "%{$fg_no_bold[green]%}●"
zstyle ':vcs_info:*' actionformats "${fmt_pre}${fmt_branch}${fmt_action}${fmt_post} "
zstyle ':vcs_info:*' formats "${fmt_pre}${fmt_branch}${fmt_post} "
zstyle ':vcs_info:*' nvcsformats ""
zstyle ':vcs_info:*+*:*' debug false # Set to true to see which hooks are being run
zstyle ':vcs_info:git*+set-message:*' hooks git-st git-untracked
### git: Show marker red (●) if there are untracked files in repository
# Make sure you have added staged to your 'formats': %c
+vi-git-untracked(){
if [[ $(git rev-parse --is-inside-work-tree 2> /dev/null) == 'true' ]] && \
git status --porcelain | grep '??' &> /dev/null ; then
# This will show the marker if there are any untracked files in repo.
# If instead you want to show the marker only if there are untracked
# files in $PWD, use:
#[[ -n $(git ls-files --others --exclude-standard) ]] ; then
hook_com[unstaged]="%{$fg_no_bold[red]%}●%{$reset_color%}"$hook_com[unstaged]
fi
}
### git: Show ▴/▾ when your local branch is ahead-of or behind remote HEAD.
# Make sure you have added misc to your 'formats': %m
+vi-git-st() {
local ahead behind gitstatus
# for git prior to 1.7
# ahead=$(git rev-list origin/${hook_com[branch]}..HEAD | wc -l)
ahead=$(git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
(( $ahead )) && gitstatus+="%{$fg_no_bold[cyan]%}▴%{$reset_color%}"
# for git prior to 1.7
# behind=$(git rev-list HEAD..origin/${hook_com[branch]} | wc -l)
behind=$(git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)
(( $behind )) && gitstatus+="%{$fg_no_bold[magenta]%}▾%{$reset_color%}"
hook_com[misc]+=${gitstatus}
}
precmd() { vcs_info }
prompt_create zle-line-init zle-keymap-select () {
# Carriage return to give the prompt some air
PROMPT="%{$reset_color%}"$'\n'
# Username, red when logged as root
PROMPT+="$(vim_mode) $(color_username)"
# @ symbol
PROMPT+="%{$fg_bold[blue]%}@"
# Hostname, colors defined just above
PROMPT+="$(color_host)"
# White space to separate host from pwd
PROMPT+=" %{$reset_color%}"
# Current working directory, use ~ when needed
PROMPT+="%{$fg[yellow]%}"'%~'
# Display current message
PROMPT+="%{$fg[red]%} $(prompt_msg)"
# Change the background for the whole line and line feed
PROMPT+="%{$fg_bold[green]%}%E"$'\n'
# Prompt characters for virtualenv, git and zsh
PROMPT+="$(virtual_env)$(prompt_chars) %{$reset_color%}"
# Right prompt with current repo informations
RPROMPT="${vcs_info_msg_0_}%E%{$reset_color%}"
zle reset-prompt
}
# vim: ft=zsh