zshrc/prompt.zsh

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# enable hook method
autoload add-zsh-hook
# enable and configure vcs_info
autoload -Uz vcs_info
add-zsh-hook precmd vcs_info
zstyle ':vcs_info:*' enable hg git cvs svn
zstyle ':vcs_info:*' formats '%s|%b|%a|%i|%R|%r|%S|%m'
# my prompt theme
function promptSetup () {
setopt prompt_subst
local TERMWIDTH
(( TERMWIDTH = ${COLUMNS} - 1 ))
NOCOLOR="%{$terminfo[sgr0]%}"
PS1=''; RPS1=''
PS2="↷ %_>"; RPS2=''
PS3="↷ ?#"; RPS3=''
PS4="↷ +i>"; RPS3=''
# prepare vcs info
VCS_LINE=''
VCS=$vcs_info_msg_0_
VCS_TYPE=$VCS[(ws:|:)1]
VCS_BRANCH=$VCS[(ws:|:)2]
VCS_CHANGES=''
# setup the prompt sign
if [[ $VCS_TYPE != '' ]]; then
VCS_LINE+=$NOCOLOR
VCS_LINE+='➜ '
case $VCS_TYPE in
'hg')
VCS_LINE+='☿ '
VCS_CHANGES=`hg st 2>/dev/null | wc -l`
;;
'git')
VCS_LINE+='± '
;;
*)
VCS_LINE+="$VCS_TYPE "
;;
esac
fi
VCS_LINE+=$VCS_BRANCH
if [[ $VCS_CHANGES > 0 ]]; then
VCS_LINE+="%F{166}%B"
VCS_LINE+=' ★ '
VCS_LINE+=$VCS_CHANGES
fi
# rootshell gets another prompt sign
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CURRENT_USER=`whoami`
PR_SIGN=$NOCOLOR
PR_SIGN+="%F{160}%B"
# prepend the hostname if we are outside
if [[ "$MYHOSTEXPRESSION" == "" ]]; then
# if not set, home is nowhere
MYHOSTEXPRESSION="^$"
fi
if [[ "`hostname`" =~ "$MYHOSTEXPRESSION" ]]; then
# we are on our home desktop
else
# we are outside on a server
PR_SIGN+="`hostname` "
fi
# setup the main sign
if [[ $CURRENT_USER == 'root' ]]; then
PR_SIGN+="☠"
elif [[ $CURRENT_USER == 'vagrant' ]]; then
PR_SIGN+="𝓥"
else
PR_SIGN+="∴"
fi
PR_SIGN+="%F{white}%b"
# http://unix.stackexchange.com/questions/1022/is-it-possible-to-display-stuff-below-the-prompt-at-a-prompt
terminfo_down_sc=$terminfo[cud1]$terminfo[cuu1]$terminfo[sc]$terminfo[cud1]
# Finally, the prompt.
PS1=$'\n' # newline (specially quotet, see zsh FAQ 3.13)
PS1+="%{$terminfo_down_sc$VCS_LINE$terminfo[rc]%}" # the second line
PS1+=$PR_STITLE # tmux title if present
PS1+=$PR_VCSSIGN # version control part if present
PS1+=%(?..'%F{136}%B%'?) # output last error number if present
PS1+=$PR_SIGN # the user sign
PS1+=" " # an additional space
# reset the tmux title
promptSetMultiplexerTabTitle "zsh"
}
add-zsh-hook precmd promptSetup
# set a tmux / screen 'tabulator' title if needed
function promptSetMultiplexerTabTitle () {
if [[ "$TERM" == "screen" ]]; then
if [[ "$1" == "" ]]; then
local CMD=${1[(wr)^(*=*|sudo|-*)]}
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echo -n "\ekttt$CMD\e\\"
else
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local title="$1 ttt" # I dont know how to prevent errors on one word strings
title=$title[(w)1]
echo -n "\ek$title\e\\"
fi
fi
}
add-zsh-hook preexec promptSetMultiplexerTabTitle
# setup tmux environment (context + status)
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# TODO: shorten the path variable
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# TODO: remove sudo if available...
function tmuxChangeDirectory () {
# set the tmux status line
if [[ "$TMUX" != "" ]]; then
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newMailCountTool="/home/seebi/bin/scripts/newMailCount.py"
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tmux set-option -g status-right "$PWD ✉ #($newMailCountTool $MAIL)" | tee >/dev/null
fi
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if [[ $VCS_TYPE == 'hg' ]]; then
#tmux kill-pane -t 1
#tmux split-window -h -l 40 "while true; do clear; date; echo; hg xlog-small -l 5 || exit; sleep 600; done;"
#tmux select-pane -t 0
fi
}
add-zsh-hook chpwd tmuxChangeDirectory
# remove the line after the prompt on execution
# http://unix.stackexchange.com/questions/1022/is-it-possible-to-display-stuff-below-the-prompt-at-a-prompt
function eraseSecondLine () {
print -rn -- $terminfo[el];
#echo; # this would keep the second line
}
add-zsh-hook preexec eraseSecondLine