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Clean up on error

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Fierelier 2022-05-20 18:02:59 +02:00
parent 451230a66b
commit d43b788465
1 changed files with 64 additions and 51 deletions
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115
path/make-image
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@ -1,63 +1,76 @@
#!/usr/bin/env bash
set -e
export DISK_IMAGE="$2"
export ROOT_MOUNT="$OPUS_OUTPUT/mount"
if
export DISK_IMAGE="$2"
export ROOT_MOUNT="$OPUS_OUTPUT/mount"
# Get the approximate size required for the image
export DISK_SIZE=$(du -sb "$1" | cut -f1)
# Add 256MB for SWAP, and 700MB for overhead
export DISK_SIZE=$(( $DISK_SIZE + ( 256 * 1000000 ) + ( 700 * 1000000 ) ))
# Add size of additional files
export DISK_SIZE=$(( $DISK_SIZE + $(du -sb "$OPUS_HOME/input/root-image" | cut -f1) ))
# Get the approximate size required for the image
export DISK_SIZE=$(du -sb "$1" | cut -f1)
# Add 256MB for SWAP, and 700MB for overhead
export DISK_SIZE=$(( $DISK_SIZE + ( 256 * 1000000 ) + ( 700 * 1000000 ) ))
# Add size of additional files
export DISK_SIZE=$(( $DISK_SIZE + $(du -sb "$OPUS_HOME/input/root-image" | cut -f1) ))
# Create and mount disk
fallocate -l $DISK_SIZE "$DISK_IMAGE"
export DISK_LOOP="$(losetup --show -f -P "$DISK_IMAGE")"
# Create and mount disk
fallocate -l $DISK_SIZE "$DISK_IMAGE"
export DISK_LOOP="$(losetup --show -f -P "$DISK_IMAGE")"
# Partition disk
(
echo n
echo e
echo
echo
echo +256M
echo t
echo swap
echo n
echo p
echo
echo
echo
echo t
echo
echo linux
echo w
echo
echo
) | fdisk "$DISK_LOOP"
# Partition disk
(
echo n
echo e
echo
echo
echo +256M
echo t
echo swap
echo n
echo p
echo
echo
echo
echo t
echo
echo linux
echo w
echo
echo
) | fdisk "$DISK_LOOP"
# Format partions
mkswap "${DISK_LOOP}p1"
mkfs.ext4 "${DISK_LOOP}p2"
# Format partions
mkswap "${DISK_LOOP}p1"
mkfs.ext4 "${DISK_LOOP}p2"
# Mount root
mkdir "$ROOT_MOUNT"
mount "${DISK_LOOP}p2" "$ROOT_MOUNT"
# Mount root
mkdir "$ROOT_MOUNT"
mount "${DISK_LOOP}p2" "$ROOT_MOUNT"
# Add files
dupe "$1/." "$ROOT_MOUNT"
# Add files
dupe "$1/." "$ROOT_MOUNT"
# Make fstab
echo "UUID=$(blkid -o value -s UUID "${DISK_LOOP}p1") none swap sw 0 0" >"$ROOT_MOUNT/etc/fstab"
echo "UUID=$(blkid -o value -s UUID "${DISK_LOOP}p2") / ext4 errors=remount-ro 0 1" >>"$ROOT_MOUNT/etc/fstab"
# Make fstab
echo "UUID=$(blkid -o value -s UUID "${DISK_LOOP}p1") none swap sw 0 0" >"$ROOT_MOUNT/etc/fstab"
echo "UUID=$(blkid -o value -s UUID "${DISK_LOOP}p2") / ext4 errors=remount-ro 0 1" >>"$ROOT_MOUNT/etc/fstab"
# Set up GRUB and misc
fchroot "$ROOT_MOUNT" "/setupdisk"
# Set up GRUB and misc
fchroot "$ROOT_MOUNT" "/setupdisk"
# Clear logs
find "$ROOT_MOUNT/var/log" -type f -delete
# Clear logs
find "$ROOT_MOUNT/var/log" -type f -delete
# Unmount root
umount -l "$ROOT_MOUNT"
rmdir "$ROOT_MOUNT"
losetup -d "$DISK_LOOP"
# Unmount root
umount -l "$ROOT_MOUNT"
rmdir "$ROOT_MOUNT"
losetup -d "$DISK_LOOP"
then
set +e
else
set +e
echo
echo Script execution ended due to error. Cleaning up...
umount -l "$ROOT_MOUNT"
rmdir "$ROOT_MOUNT"
losetup -d "$DISK_LOOP"
echo Script execution ended due to error.
exit 1
fi