fix-permissions
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fix-permissions
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	#!/bin/sh

	# Allow this script to fail without failing a build
	set +e

	SYMLINK_OPT=${2:--L}

	# Fix permissions on the given directory or file to allow group read/write of
	# regular files and execute of directories.

	[ $(id -u) -ne 0 ] && CHECK_OWNER=" -uid $(id -u)"

	# If argument does not exist, script will still exit with 0,
	# but at least we'll see something went wrong in the log
	if ! [ -e "$1" ] ; then
	echo "ERROR: File or directory $1 does not exist." >&2
	# We still want to end successfully
	exit 0
	fi

	find $SYMLINK_OPT "$1" ${CHECK_OWNER} \! -gid 0 -exec chgrp 0 {} +
	find $SYMLINK_OPT "$1" ${CHECK_OWNER} \! -perm -g+rw -exec chmod g+rw {} +
	find $SYMLINK_OPT "$1" ${CHECK_OWNER} -perm /u+x -a \! -perm /g+x -exec chmod g+x {} +
	find $SYMLINK_OPT "$1" ${CHECK_OWNER} -type d \! -perm /g+x -exec chmod g+x {} +

	# Always end successfully
	exit 0