ostree-initrd: Suppressed init-script informational output. Fixed initramfs unmount bug.

BugzID: 54171

Signed-off-by: Lucien Mueller <lucien.mueller@netmodule.com>

recipes-sota/ostree-initrd/files/init.sh

@@ -0,0 +1,76 @@
+#!/bin/sh
+set -eu
+
+# -------------------------------------------
+
+log_error() { echo "$0[$$]: ERROR $*" >&2; }
+
+do_mount_fs() {
+	[[ -e /proc/filesystems ]] && { grep -q "$1" /proc/filesystems || { log_error "Unknown filesystem"; return 1; } }
+	[[ -d "$2" ]] || mkdir -p "$2"
+	[[ -e /proc/mounts ]] && { grep -q -e "^$1 $2 $1" /proc/mounts && { return 0; } }
+	mount -t "$1" "$1" "$2"
+}
+
+bail_out() {
+	log_error "$@"
+	#exec reboot -f
+	exec sh
+}
+
+get_ostree_sysroot() {
+	for opt in $(cat /proc/cmdline); do
+		arg=$(echo "$opt" | cut -d'=' -f1)
+		if [ "$arg" == "ostree_root" ]; then
+			echo "$opt" | cut -d'=' -f2-
+			return
+		fi
+	done
+	echo "LABEL=otaroot"
+}
+
+export PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/lib/ostree
+
+
+do_mount_fs proc /proc
+do_mount_fs sysfs /sys
+do_mount_fs devpts /dev/pts
+do_mount_fs tmpfs /dev/shm
+do_mount_fs tmpfs /tmp
+do_mount_fs tmpfs /run
+
+# check if smack is active (and if so, mount smackfs)
+grep -q smackfs /proc/filesystems && {
+	do_mount_fs smackfs /sys/fs/smackfs
+
+	# adjust current label and network label
+	echo System >/proc/self/attr/current
+	echo System >/sys/fs/smackfs/ambient
+}
+
+mkdir -p /sysroot
+ostree_sysroot=$(get_ostree_sysroot)
+
+mount "$ostree_sysroot" /sysroot || {
+	# The SD card in the R-Car M3 takes a bit of time to come up
+	# Retry the mount if it fails the first time
+	sleep 5
+	mount "$ostree_sysroot" /sysroot || bail_out "Unable to mount $ostree_sysroot as physical sysroot"
+}
+ostree-prepare-root /sysroot > /dev/null 2>&1
+
+# move mounted devices to new root
+cd /sysroot
+for x in dev proc run; do
+	mount -o move "/$x" "$x"
+done
+
+# switch to new rootfs
+mkdir -p run/initramfs
+
+pivot_root . run/initramfs || bail_out "pivot_root failed."
+
+
+exec chroot . sh -c 'umount /run/initramfs/tmp; umount /run/initramfs/sys; umount /run/initramfs; exec /sbin/init' \
+	  <dev/console >dev/console 2>&1
+

recipes-sota/ostree-initrd/ostree-initrd.bbappend

@@ -0,0 +1,3 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += "file://init.sh"