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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>
63 lines
1.2 KiB
Bash
Executable file
63 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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set -u -e
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CONFIRM="Yes, I am"
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DEVICE=$1
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MOUNTED=0
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function do_cleanup() {
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[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
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rmdir /tmp/mnt.$$
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}
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trap do_cleanup ERR INT
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cd `dirname $0`
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echo "Are you *really* sure to use $DEVICE?"
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echo "If so, type \"$CONFIRM\""
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read input
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[ "x$input" != "x$CONFIRM" ] && exit 1
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[ ! -b $DEVICE ] && {
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echo "Error, $DEVICE is not a block device"
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exit 1
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}
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count=$(grep -c -e "^$DEVICE" /proc/mounts || true)
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[ $count -ne 0 ] && {
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echo "Error, $DEVICE is mounted"
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exit 1
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}
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dd if=/dev/zero of=$DEVICE bs=512 count=1
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parted --script $DEVICE \
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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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mkfs.vfat ${DEVICE}p1
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mkfs.btrfs -f ${DEVICE}p2
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mkdir /tmp/mnt.$$
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mount -t vfat ${DEVICE}p1 /tmp/mnt.$$
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MOUNTED=1
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cp -r boot/* /tmp/mnt.$$/
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umount /tmp/mnt.$$
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MOUNTED=0
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mount -t btrfs ${DEVICE}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.$$
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MOUNTED=0
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rmdir /tmp/mnt.$$
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