+
+## begin get new kernel and btrfs-progs ##
+case $HOSTNAME in
+ sy|so)
+ # on sy t11, severe wifi degredation on 6.8
+ # on so t11, no x11 display on 6.8
+ $FAI/distro-install-common/install-mainline-kernel-debs stable
+ ;;
+ *)
+ if ! $ROOTCMD dpkg -s -- freesh-archive-keyring 2>&1 | grep -Fx "Status: install ok installed" &>/dev/null; then
+ apt-get -y install wget
+ wget -O /target/tmp/x.deb https://linux-libre.fsfla.org/pub/linux-libre/freesh/pool/main/f/freesh-archive-keyring/freesh-archive-keyring_1.1_all.deb
+ $ROOTCMD dpkg -i /tmp/x.deb
+ $ROOTCMD apt-get update
+ $ROOTCMD apt-get -y install linux-libre
+ fi
+ ;;
+esac
+
+pre=https://mirrors.edge.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs
+tarball=$(curl -s $pre/sha256sums.asc \
+ | awk '$2 ~ /^btrfs-progs-v/ { print $2 }' | grep -v -- -rc | grep "^btrfs-progs-v.*gz\$" | sort -V | tail -n1)
+url="$pre/$tarball"
+dir=${tarball%.tar.gz}
+ver=${dir#btrfs-progs-}
+cur_ver=$($ROOTCMD btrfs --version 2>/dev/null | awk '{print $2}') ||:
+
+if [[ $FAI_ROOT == / ]]; then
+ bp_dir=/a/opt/btrfs-progs-release
+else
+ bp_dir=$FAI/distro-install-common/btrfs-progs-release
+fi
+if [[ $ver != "$cur_ver" ]]; then
+ if [[ $ver != "$($bp_dir/btrfs --version 2>/dev/null | awk '{print $2}')" ]]; then
+ cd $target/tmp
+ wget $url
+ tar xzf $tarball
+ $ROOTCMD apt-get -y build-dep btrfs-progs
+ # no docs cuz I didn't want to bother fixing error of missing docs dependencies
+ $ROOTCMD bash -xe <<EOF
+cd /tmp/${tarball%.tar.gz}
+./configure --disable-documentation
+make
+make install
+EOF
+ # If our desktop is HOST2, will we btrbk this latest bprogs to other
+ # machines.
+ if [[ -s /a/bin/bash_unpublished/source-state ]]; then
+ source /a/bin/bash_unpublished/source-state
+ fi
+ if [[ $HOST2 == "$HOSTNAME" && $FAI_ROOT != / ]]; then
+ rm -rf $bp_dir
+ chown -R iank:iank $target/tmp/${tarball%.tar.gz}
+ mv $target/tmp/${tarball%.tar.gz} $bp_dir
+ fi
+ else
+ if ! $ROOTCMD dpkg -s -- build-essential 2>&1 | grep -Fx "Status: install ok installed" &>/dev/null; then
+ $ROOTCMD apt-get -y install build-essential
+ fi
+
+ if [[ $FAI_ROOT == / ]]; then
+ cd /a/opt/btrfs-progs-release
+ make install
+ else
+ mkdir -p $target/tmp/bprogs
+ mount -o bind $bp_dir $target/tmp/bprogs
+ $ROOTCMD bash -xe <<EOF
+cd /tmp/bprogs
+make install
+EOF
+ fi
+ fi
+fi
+## end get new kernel and btrfs-progs ##