mirror of https://github.com/OpenIPC/firmware.git
54 lines
1.5 KiB
Bash
Executable File
54 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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on_exit() {
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mountpoint -q /proc && umount /proc
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exec /sbin/init $*
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}
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trap on_exit 0
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mount -t proc proc /proc || exit
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grep -q overlay /proc/filesystems || exit
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if ! grep -q 'root=.*nfs\|mmcblk\|ram' /proc/cmdline; then
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if grep -q ubifs /proc/cmdline; then
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mount -t ubifs ubi0:rootfs_data /overlay
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else
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mtdblkdev=$(awk -F ':' '/rootfs_data/ {print $1}' /proc/mtd | sed 's/mtd/mtdblock/')
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mtdchrdev=$(grep 'rootfs_data' /proc/mtd | cut -d: -f1)
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mount -t jffs2 /dev/${mtdblkdev} /overlay
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if [ $? -ne 0 ] || { dmesg | grep "jffs2.*: Magic bitmask.*not found" >/dev/null 2>&1; }; then
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echo "jffs2 health check error, format required!"
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flash_eraseall -j /dev/${mtdchrdev}
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echo "Done! Remounting..."
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mount -t jffs2 /dev/${mtdblkdev} /overlay || mount -t tmpfs tmpfs /overlay || exit
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if ! cat /proc/mounts | grep ${mtdblkdev}; then
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echo "--------------------------------"
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echo "Crash - your flash in the trash!"
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echo "--------------------------------"
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fi
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fi
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fi
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if grep -q overlayfs /proc/filesystems; then
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mount -t overlayfs overlayfs -o lowerdir=/,upperdir=/overlay,ro /mnt || {
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umount /overlay
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exit
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}
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else
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overlay_rootdir=/overlay/root
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overlay_workdir=/overlay/work
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mkdir -p ${overlay_rootdir} ${overlay_workdir}
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mount -t overlay overlay -o lowerdir=/,upperdir=${overlay_rootdir},workdir=${overlay_workdir} /mnt || {
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umount /overlay
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exit
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}
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fi
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pivot_root /mnt /mnt/rom
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mount -o noatime,move /rom/proc /proc
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mount -o noatime,move /rom/dev /dev
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mount -o noatime,move /rom/overlay /overlay
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fi
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