commit https://github.com/vim/vim/commit/e38a2f7ebda791bcecccd657919ae9f7e2f6438c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 2 20:07:09 2016 +0200 patch 7.4.1879 Problem: Channel test is flaky. Solution: Wait for close_cb to be invoked.

#! /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