commit 8f09cfff84a8e7ee24a622bb32f99b4af5d58f52
Author: Arnaud Ysmal <a@stacktic.org>
Date:   Sat Nov 9 17:46:25 2019 +0100

    Initial import

diff --git a/freebsd-sets-update.sh b/freebsd-sets-update.sh
new file mode 100644
index 0000000..dbdc8c6
--- /dev/null
+++ b/freebsd-sets-update.sh
@@ -0,0 +1,186 @@
+#!/bin/sh
+
+set -e
+
+if [ "$(id -u)" != "0" ]; then
+	echo "Must be root." >&2
+	exit 1
+fi
+
+WORKDIR="/var/cache/freebsd-sets-update"
+ARCH=$(uname -p)
+BRANCH="head"
+REVISION="latest_tested"
+SETS="base kernel"
+
+URL=
+DO_DEBUG=
+DO_LOCAL=
+DO_ETCUPDATE=
+
+usage()
+{
+	echo "Usage: $0 [-b branch] [-l localdir] [-r revision] [-dev]"
+	echo "   -b: branch (head, stable-11 or stable-12)"
+	echo "   -d: add debug sets"
+	echo "   -e: execute etcupdate"
+	echo "   -l: directory where sets are located"
+	echo "   -r: try to find sets for this revision"
+	echo "   -v: show executed commands"
+}
+
+while getopts b:del:r:v OPT; do
+	case ${OPT} in
+	b)
+		BRANCH=${OPTARG}
+		;;
+	d)
+		DO_DEBUG="1"
+		SETS="${SETS} base-dbg kernel-dbg"
+		;;
+	e)
+		DO_ETCUPDATE="1"
+		;;
+	l)
+		DO_LOCAL="1"
+		WORKDIR=${OPTARG}
+		;;
+	r)
+		REVISION=${OPTARG}
+		;;
+	v)
+		set -x
+		;;
+	*)
+		usage
+		exit 1
+		;;
+	esac
+done
+
+shift $((${OPTIND} - 1))
+
+if [ -n "${*}" ]; then
+	echo "Arguments are not supported" >&2
+	exit 1
+fi
+
+
+get_url()
+{
+	echo "http://artifacts.ci.freebsd.org/snapshot/${BRANCH}/${1}/${ARCH}/${ARCH}"
+}
+
+exit_msg()
+{
+	if [ -n "${1}" ]; then
+		echo "${1}"
+	fi
+	exit 1
+}
+
+fetch_sets()
+{
+	url=$(get_url $REVISION)
+	fetch -o ${WORKDIR}/MANIFEST ${url}/MANIFEST
+	for set in $SETS; do
+		fetch -o ${WORKDIR}/${set}.txz ${url}/${set}.txz
+	done
+}
+
+install_kernel()
+{
+	echo -n "Installing ${REVISION} kernel.txz..."
+
+	if ! mkdir -p /boot/kernel /boot/kernel.old /usr/lib/debug/boot/kernel /usr/lib/debug/boot/kernel.old; then
+		exit_msg " failed, mkdir error ${?}"
+	fi
+
+	if ! rm -r /boot/kernel.old /usr/lib/debug/boot/kernel.old; then
+		exit_msg " failed, rm error ${?}"
+	fi
+
+	if ! mv /boot/kernel /boot/kernel.old; then
+		exit_msg " failed, mv error ${?}"
+	fi
+
+	if ! mv /usr/lib/debug/boot/kernel /usr/lib/debug/boot/kernel.old; then
+		exit_msg " failed, mv error ${?}"
+	fi
+	if ! tar -C / -xpf ${WORKDIR}/kernel.txz; then
+		exit_msg " failed, tar error ${?}"
+	fi
+
+	if [ -n "${DO_DEBUG}" ]; then
+		echo -n " and kernel-dbg.txz..."
+		if ! tar -C / -xpf ${WORKDIR}/kernel-dbg.txz; then
+			exit_msg " failed, tar error ${?}"
+		fi
+	fi
+
+	if ! kldxref /boot/kernel; then
+		exit_msg " failed, kldxref error ${?}"
+	fi
+
+	echo " done"
+}
+
+install_base()
+{
+	NOSCHGDIRS="/bin /sbin /lib /libexec /usr/bin /usr/sbin /usr/lib /var/empty"
+
+	echo -n "Installing ${REVISION} base.txz..."
+
+	if ! mkdir -p ${NOSCHGDIRS}; then
+		exit_msg " failed, mkdir error ${?}"
+	fi
+
+	if ! chflags -R noschg ${NOSCHGDIRS}; then
+		exit_msg " failed, chflags error ${?}"
+	fi
+
+	if ! tar -C / -xpf ${WORKDIR}/base.txz --exclude="^etc" ; then
+		exit_msg " failed, tar error ${?}"
+	fi
+	if [ -n "$DO_ETCUPDATE" ]; then
+		if ! mkdir ${WORKDIR}/etc; then
+			exit_msg " failed, mkdir error ${?}"
+		fi
+		if ! tar -C ${WORKDIR}/etc --include "^etc" -xpf ${WORKDIR}/base.txz; then
+			exit_msg " failed, tar error ${?}"
+		fi
+		if ! tar -C ${WORKDIR}/etc -cJf ${WORKDIR}/etc.txz .; then
+			exit_msg " failed, tar error ${?}"
+		fi
+		if ! etcupdate -I "/[^e][^t][^c]*"  -t ${WORKDIR}/etc.txz ; then
+			exit_msg " failed, etcupdate error ${?}"
+		fi
+	fi
+	if [ -n "${DO_DEBUG}" ]; then
+		echo -n " and base-dbg.txz..."
+		if ! tar -C / -xpf ${WORKDIR}/base-dbg.txz; then
+			exit_msg " failed, tar error ${?}"
+		fi
+	fi
+
+	echo " done"
+}
+
+if [ -z "$DO_LOCAL" ]; then
+	REVISION=$(fetch -o - -q "$(get_url ${REVISION})/revision.txt")
+	WORKDIR="${WORKDIR}/${REVISION}"
+	if uname -v | grep -q "${REVISION}" ; then
+		exit_msg "Already at version ${REVISION}"
+	fi
+	if [ ! -d "${WORKDIR}" ]; then
+		if ! mkdir -p ${WORKDIR}; then
+			exit_msg " failed, mkdir error ${?}"
+		fi
+		fetch_sets
+	fi
+fi
+
+install_kernel
+install_base
+
+echo "Upgrade done"