# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../aufs/pkg_linux_post.conf
# Copyright (C) 2010 - 2014 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

# get version of the aufs package and determine file name of the sources
pkg_aufs_ver="$( pkgdesc ver aufs )"
pkg_aufs_source_file=`match_source_file -p aufs3-standalone-${pkg_aufs_ver} aufs`

# extracting Aufs sources into a tempdir if we found a matching source file
if [ ! -z "$pkg_aufs_source_file" ]; then
	pkg_aufs_tempdir=$( mktemp -d )
	tar -C $pkg_aufs_tempdir -xf $pkg_aufs_source_file
	pkg_aufs_srcdir="$( basename $( ls -1d $pkg_aufs_tempdir/* ) )"
	ln -sf $pkg_aufs_srcdir $pkg_aufs_tempdir/aufs3-standalone

	# patching the kernel sources
	echo_status "Including Aufs3 support (aufs package enabled)"
	var_append patchfiles ' ' "$pkg_aufs_tempdir/aufs3-standalone/aufs3-kbuild.patch"
	var_append patchfiles ' ' "$pkg_aufs_tempdir/aufs3-standalone/aufs3-base.patch"
	var_append patchfiles ' ' "$pkg_aufs_tempdir/aufs3-standalone/aufs3-mmap.patch"
	var_append patchfiles ' ' "$pkg_aufs_tempdir/aufs3-standalone/aufs3-standalone.patch"

	# apply possible local patches we have in the aufs package dir
	for x in $( ls -1 $base/package/*/aufs/*.patch 2>/dev/null ); do
		var_append patchfiles ' ' "$x"
	done

	# patches needed if the kernel was also patched with the vserver patch
	if pkginstalled vserver; then
		var_append patchfiles ' ' "$base/package/*/aufs/aufs-vserver-inode-i_flags.diff"
	fi

	# copying sources into kernel source tree
	pkg_aufs_copy_source_files() {
		cp -rv $pkg_aufs_tempdir/aufs3-standalone/{Documentation,fs} .
		cp -rv $pkg_aufs_tempdir/aufs3-standalone/include/uapi/linux/aufs_type.h include/uapi/linux/
	}
	hook_add prepatch 5 "pkg_aufs_copy_source_files"

	# removing tempdir
	hook_add finish 9 "rm -rf $pkg_aufs_tempdir"
else
	echo_warning "No matching source file found for Aufs3 support"
fi