debian-cd-clone/tools/make-firmware-image

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#!/bin/sh
# Work out which firmware files to include in the image
# Several steps:
#
# 1. Look for packages which contain "firmware" or "microcode" in their package names
# 2. Check each of those packages to see if they contain files in /lib/firmware
# 3. For those that do, add them into the firmware temp tree
# 4. Make images (tar.gz, zip) of that tree
set -e
MIRROR=$1
SUITE=$2
TMPDIR=$3
export LC_ALL=C
if [ "$MIRROR"x = ""x ] || \
[ "$SUITE"x = ""x ] || \
[ "$TMPDIR"x = ""x ] ; then
echo "$0: Need parameters"
exit 1
fi
rm -rf $TMPDIR/firmware
mkdir -p $TMPDIR/firmware
FILES=`$BASEDIR/tools/catz ${MIRROR}/dists/${SUITE}/*/binary-*/Packages.*z* | \
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grep-dctrl -Pe '.*(firmware|microcode).*' -s Filename -n | sort -u`
for FILE in $FILES; do
# Don't use "grep -q" here, it causes errors from tar
if (dpkg --contents ${MIRROR}/${FILE} | grep " ./lib/firmware/" >/dev/null) ; then
cp ${MIRROR}/${FILE} $TMPDIR/firmware
fi
done
cd $TMPDIR/firmware
tar czf ../firmware.tar.gz .
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zip -9rq ../firmware.zip .
cd ..
find firmware | cpio --quiet -o -H newc | gzip -9 > firmware.cpio.gz
ls -l $PWD/firmware.cpio.gz $PWD/firmware.tar.gz $PWD/firmware.zip
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md5sum firmware.* > MD5SUMS
sha1sum firmware.* > SHA1SUMS
sha256sum firmware.* > SHA256SUMS
sha512sum firmware.* > SHA512SUMS