patch 8.2.0481: Travis is still using trusty Commit: https://github.com/vim/vim/commit/7d333a900d260b8e8caa0fb159c85023fc8795bd Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 30 19:13:29 2020 +0200 patch 8.2.0481: Travis is still using trusty Problem: Travis is still using trusty. Solution: Adjust config to use bionic. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/5868)

#! /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