Mercurial > dotfiles
view .shell.d/00.path_manipulation.sh @ 380:0ceb8554801e
zsh: make vcs info in prompt async
Roughly cribbed from [0], but I'm hoping to rework this soon to use
the zsh async library that shouldn't require a tempfile.
0: http://www.anishathalye.com/2015/02/07/an-asynchronous-shell-prompt/
author | Augie Fackler <raf@durin42.com> |
---|---|
date | Thu, 10 Mar 2016 18:56:28 -0500 |
parents | 7dfb7799567f |
children | c85072e620a8 |
line wrap: on
line source
# Functions for manipulating $PATH. Split out so I can use them in .zshenv if I want. function insert_path_element() { insert_element_into_var $1 PATH } function remove_path_element() { remove_element_from_var $1 PATH } function insert_element_into_var () { eval varcontents=\$"$2" eval varname="$2" newcomp="$1" if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then true elif [[ "$varcontents" == "" ]] ; then export $varname="$newcomp" else export $varname="$newcomp:$varcontents" fi } function remove_element_from_var() { eval varcontents=\$"$2" eval varname="$2" newcomp="$1" if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then export $varname="`echo $varcontents | sed s%$newcomp:%%`" elif [[ "$varcontents" == "$newcomp" ]] ; then unset $varname else echo $1 not in $varname fi }