UBUNTU: [Packaging] resync git-ubuntu-log

[mirror_ubuntu-bionic-kernel.git] / debian / scripts / misc / get-firmware

#!/bin/bash
#
# Find all files in linux-firmware that are new or different since the previous release
# and copy them into the kernel firmware directory. You should only do this on the
# backport branch since it would be redundant on the released kernel. It assumed you've
# unpacked linux-firmware from each release into separate directories.
#
# Example: $0 ~/ubuntu/linux-firmware-precise ~/ubuntu/linux-firmware-quantal

if [ "$1" = "" ] || [ "$2" = "" ] || [ ! -f $1/WHENCE ] || [ ! -f $2/WHENCE ]
then
	echo You must supply 2 firmware directories.
	exit 1
fi

if [ ! -f debian/debian.env ]
then
	echo You must run this script from the root of the repo
	exit 1
fi
. debian/debian.env

NFWINFO="`find $DEBIAN -name fwinfo|wc -l`"
if [ ! "$NFWINFO" = "1" ]
then
	echo Your repo is hosed. There can only be one fwinfo file.
	find $DEBIAN -name fwinfo
	exit 1
fi

FWINFO="`pwd`/`find $DEBIAN -name fwinfo`"

CDIR=`pwd`
OFW=$1
NFW=$2

cd $NFW
#
# Find all files in $NFW that are new or different from $1
#
(find . -type f | egrep -v "debian|git|LICEN|WHEN|READ|Make|configure" | sed 's;\./;;' | \
while read f
do
	if grep -q $f $FWINFO
	then
		if [ ! -f $OFW/$f ]
		then
			echo $f
		elif ! cmp $f $OFW/$f > /dev/null
		then
			echo $f
		fi
	fi
done) |\
while read f
do
	mkdir -p $CDIR/firmware/`dirname $f`
	if [ ! -f $CDIR/firmware/`dirname $f`/`basename $f`.ihex ]
	then
		cp -v $f $CDIR/firmware/`dirname $f`
	fi
done