commit https://github.com/vim/vim/commit/eab089d22f172ddd2d33367a998e68c2f1c6c989 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 21 19:32:02 2016 +0100 patch 7.4.1381 Problem: Exit value not available on MS-Windows. Solution: Set the exit value.

#! /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