#!/bin/sh

set -e
#set -x

printf "Script expects to run from src/\n"
test -e sys/conf/NOTES

NOW="20210904"
case "${NOW}" in
"")	NOW=`date +%s` ;;
esac
BURL="https://people.freebsd.org/~bz/wireless"

LINUXKPITAR=linuxkpi-latest.tar
IWLWIFITAR=iwlwifi-latest.tar
RTW88TAR=rtw88-latest.tar
NET80211PATCH=net80211-latest.diff
BUILDPATCH=build-latest.diff

printf "Fetching patches and tarballs ...\n"
for f in ${LINUXKPITAR} ${IWLWIFITAR} ${RTW88TAR} ${NET80211PATCH} ${BUILDPATCH}; do
	if test ! -f ${NOW}-${f}; then
		fetch -o ${NOW}-${f} ${BURL}/${f}
	fi
done

printf "Applying changes related to net80211  ...\n"
patch -C -s -p0 < ${NOW}-${NET80211PATCH}
patch -s -p0 < ${NOW}-${NET80211PATCH}

printf "Applying changes to the build system ...\n"
patch -C -s -p0 < ${NOW}-${BUILDPATCH}
patch -s -p0 < ${NOW}-${BUILDPATCH}

# Extract the tarball with new files (also overwriting some).
printf "Extracting iwlwifi tarball with driver and firmware ...\n"
tar -xpf ${NOW}-${IWLWIFITAR}
printf "Extracting rtw88 tarball with driver and firmware ...\n"
tar -xpf ${NOW}-${RTW88TAR}
printf "Extracting linuxkpi tarball with new files (possibly overwriting) ...\n"
tar -xpf ${NOW}-${LINUXKPITAR}

# end