commit https://github.com/vim/vim/commit/23c463a157b4f5585ad85efc9f453ffc09c245c3 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 22 11:39:27 2016 +0100 patch 7.4.1386 Problem: When the Job exit callback is invoked, the job may be freed too soon. (Yasuhiro Matsumoto) Solution: Increase refcount.

#! /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