patch 8.1.0049: shell cannot tell running in a terminal window commit https://github.com/vim/vim/commit/d7a137fb0d980545dd567bee9c24cf7b9c3a2eae Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 12 18:05:24 2018 +0200 patch 8.1.0049: shell cannot tell running in a terminal window Problem: Shell cannot tell running in a terminal window. Solution: Add the VIM_TERMINAL environment variable. (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