commit https://github.com/vim/vim/commit/85babd6db65afb0eb06a7a9a0778d692248c5c2b Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 21 22:59:28 2016 +0200 patch 7.4.1951 Problem: Ruby test is old style. Solution: Convert to a new style test. (Ken Takata)

#! /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