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7f5f64978d
Instead of having an overlay mounted /root in the root filesystem, move it to the other user directories, i.e. /usr/root. We then overlay mount the entire /usr directory. This still allows us to mount /usr from somewhere else if we wish, but cleans up/simplifies the filesystem for now and implements some default management of general user directories. Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
65 lines
1.1 KiB
Bash
Executable file
65 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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set -u -e
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FILE=$1
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MOUNTED=0
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LOOPATTACHED=0
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function do_cleanup() {
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[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
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[ $LOOPATTACHED -ne 0 ] && losetup -d ${LODEV}
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rmdir /tmp/mnt.$$
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}
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trap do_cleanup ERR INT
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cd `dirname $0`
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if [ -e "$FILE" ]; then
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echo "Error, $FILE exists"
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exit 1
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fi
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truncate -s 1G $FILE
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parted --script $FILE \
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"mklabel msdos" \
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"mkpart primary fat32 1M 256M" \
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"mkpart primary btrfs 256M 100%" \
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"set 1 boot on"
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LODEV=$(losetup -f)
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losetup -P ${LODEV} ${FILE}
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LOOPATTACHED=1
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mkfs.vfat ${LODEV}p1
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mkfs.btrfs -f ${LODEV}p2
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mkdir /tmp/mnt.$$
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mount -t vfat ${LODEV}p1 /tmp/mnt.$$
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MOUNTED=1
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syslinux --install ${LODEV}p1
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cp syslinux.cfg /tmp/mnt.$$/syslinux.cfg
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cp -r VERSIONDIR /tmp/mnt.$$/
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umount /tmp/mnt.$$
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MOUNTED=0
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mount -t btrfs ${LODEV}p2 /tmp/mnt.$$
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MOUNTED=1
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mkdir /tmp/mnt.$$/etc /tmp/mnt.$$/etc_work
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mkdir /tmp/mnt.$$/var_lib /tmp/mnt.$$/var_lib_work
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mkdir -p /tmp/mnt.$$/usr/root /tmp/mnt.$$/usr_work
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chmod 750 /tmp/mnt.$$/usr/root /tmp/mnt.$$/usr_work
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chown 0:0 /tmp/mnt.$$/usr/root
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umount /tmp/mnt.$$
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MOUNTED=0
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losetup -d ${LODEV}
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LOOPATTACHED=0
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dd if=mbr.bin of=$FILE conv=notrunc
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rmdir /tmp/mnt.$$
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