commit https://github.com/vim/vim/commit/6bd364e08461159ad3c153ffba4def5b896486a1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 16:19:07 2016 +0100 patch 7.4.1401 Problem: Having 'autochdir' set during startup and using diff mode doesn't work. (Axel Bender) Solution: Don't use 'autochdir' while still starting up. (Christian Brabandt)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done