mig: Handle failure of mounting /@/home subvolume [boo#1227339]

usr/lib/tik/modules/post/20-mig

@@ -25,44 +25,44 @@ if [ "${migrate}" == 1 ]; then
  fi
 
  prun /usr/bin/mkdir ${mig_dir}/mnt
-  prun /usr/bin/mount -o compress=zstd:1 ${probedpart} ${mig_dir}/mnt
-  prun /usr/bin/systemd-repart --pretty 0 --root ${mig_dir}/mnt --dry-run=0 ${probedpart}
-  prun /usr/bin/mount -o compress=zstd:1,subvol=/@/var ${probedpart} ${mig_dir}/mnt/var
-  prun /lib/systemd/systemd-growfs ${mig_dir}/mnt/var
-  etcmountcmd=$(cat ${mig_dir}/mnt/etc/fstab | grep "overlay /etc" | sed 's/\/sysroot\//${mig_dir}\/mnt\//g' | sed 's/\/work-etc.*/\/work-etc ${mig_dir}\/mnt\/etc\//' | sed 's/overlay \/etc overlay/\/usr\/bin\/mount -t overlay overlay -o/')
-  eval prun "$etcmountcmd"
-  prun /usr/bin/cat ${mig_dir}/passwd.out | prun tee -a ${mig_dir}/mnt/etc/passwd
-  prun /usr/bin/cat ${mig_dir}/group.out | prun tee -a ${mig_dir}/mnt/etc/group
-  prun /usr/bin/cat ${mig_dir}/shadow.out | prun tee -a ${mig_dir}/mnt/etc/shadow
-  prun /usr/bin/sed -i "/^wheel:/ s/$/$(head -n 1 ${mig_dir}/passwd.out | awk -F'[/:]' '{print $1}')/" ${mig_dir}/mnt/etc/group
-  prun /usr/bin/cp -a ${mig_dir}/subuid ${mig_dir}/mnt/etc/subuid
-  prun /usr/bin/cp -a ${mig_dir}/subgid ${mig_dir}/mnt/etc/subgid
-  # It's not guaranteed that the system will have existing network configs, localtime or AccountsService
-  prun-opt /usr/bin/cp -a ${mig_dir}/system-connections/* ${mig_dir}/mnt/etc/NetworkManager/system-connections
-  prun-opt /usr/bin/cp -a ${mig_dir}/localtime ${mig_dir}/mnt/etc/localtime
-  prun-opt /usr/bin/cp -a ${mig_dir}/users/* ${mig_dir}/mnt/var/lib/AccountsService/users
-  prun-opt /usr/bin/cp -a ${mig_dir}/icons/* ${mig_dir}/mnt/var/lib/AccountsService/icons
-  prun-opt /usr/bin/cp -a ${mig_dir}/bluetooth/* ${mig_dir}/mnt/var/lib/bluetooth
-  prun-opt /usr/bin/cp -a ${mig_dir}/fprint/* ${mig_dir}/mnt/var/lib/fprint
-  prun-opt /usr/bin/cp -a ${mig_dir}/openvpn/* ${mig_dir}/mnt/etc/openvpn
-  prun /usr/bin/umount ${mig_dir}/mnt/etc
-  prun /usr/bin/umount ${mig_dir}/mnt/var
-  prun /usr/bin/umount ${mig_dir}/mnt
-  prun /usr/bin/mount -o compress=zstd:1,subvol=/@ ${probedpart} ${mig_dir}/mnt
-  prun /usr/sbin/btrfs subvolume delete ${mig_dir}/mnt/home
-  (prun /usr/sbin/btrfs send ${mig_dir}/${snap_dir} | pv -f -F "# %b copied in %t %r" | prun /usr/sbin/btrfs receive ${mig_dir}/mnt) 2>&1 | d --progress --title="Restoring /home" --pulsate --auto-close --no-cancel --width=400
-  prun /usr/bin/mv ${mig_dir}/mnt/${snap_dir} ${mig_dir}/mnt/home
-  prun /usr/sbin/btrfs property set -f -ts ${mig_dir}/mnt/home ro false
-  for subsubvol in $(prun-opt /usr/sbin/btrfs subvolume list -o ${mig_dir}/${snap_dir} --sort=path | rev | cut -f1 -d' ' | rev | sed 's/^@//'); do
-  subsubvolname=$(basename $subsubvol)
-  subsubdirname=$(dirname $subsubvol | awk -F "${mig_dir}/${snap_dir}" '{print $2}')
-  (prun /usr/sbin/btrfs send ${subsubvol} | pv -f -F "# %b copied in %t %r" | prun /usr/sbin/btrfs receive ${mig_dir}/mnt/home/${subsubdirname} ) 2>&1 | d --progress --title="Restoring containers" --pulsate --auto-close --no-cancel --width=400
-  prun /usr/sbin/btrfs property set -f -ts ${mig_dir}/mnt/home/${subsubdirname}/${subsubvolname} ro false
-  prun-opt /usr/bin/sed -i 's/driver = "overlay"/driver = "btrfs"/g' ${mig_dir}/mnt/etc/containers/storage.conf
-  done
-  for userhome in ${mig_dir}/mnt/home/*/; do
-  writemigdesktop $userhome
-  done
-  prun /usr/bin/umount ${mig_dir}/mnt
-  prun /usr/bin/rmdir ${mig_dir}/mnt
+ prun /usr/bin/mount -o compress=zstd:1 ${probedpart} ${mig_dir}/mnt
+ prun /usr/bin/systemd-repart --pretty 0 --root ${mig_dir}/mnt --dry-run=0 ${probedpart}
+ prun /usr/bin/mount -o compress=zstd:1,subvol=/@/var ${probedpart} ${mig_dir}/mnt/var
+ prun /lib/systemd/systemd-growfs ${mig_dir}/mnt/var
+ etcmountcmd=$(cat ${mig_dir}/mnt/etc/fstab | grep "overlay /etc" | sed 's/\/sysroot\//${mig_dir}\/mnt\//g' | sed 's/\/work-etc.*/\/work-etc ${mig_dir}\/mnt\/etc\//' | sed 's/overlay \/etc overlay/\/usr\/bin\/mount -t overlay overlay -o/')
+ eval prun "$etcmountcmd"
+ prun /usr/bin/cat ${mig_dir}/passwd.out | prun tee -a ${mig_dir}/mnt/etc/passwd
+ prun /usr/bin/cat ${mig_dir}/group.out | prun tee -a ${mig_dir}/mnt/etc/group
+ prun /usr/bin/cat ${mig_dir}/shadow.out | prun tee -a ${mig_dir}/mnt/etc/shadow
+ prun /usr/bin/sed -i "/^wheel:/ s/$/$(head -n 1 ${mig_dir}/passwd.out | awk -F'[/:]' '{print $1}')/" ${mig_dir}/mnt/etc/group
+ prun /usr/bin/cp -a ${mig_dir}/subuid ${mig_dir}/mnt/etc/subuid
+ prun /usr/bin/cp -a ${mig_dir}/subgid ${mig_dir}/mnt/etc/subgid
+ # It's not guaranteed that the system will have existing network configs, localtime or AccountsService
+ prun-opt /usr/bin/cp -a ${mig_dir}/system-connections/* ${mig_dir}/mnt/etc/NetworkManager/system-connections
+ prun-opt /usr/bin/cp -a ${mig_dir}/localtime ${mig_dir}/mnt/etc/localtime
+ prun-opt /usr/bin/cp -a ${mig_dir}/users/* ${mig_dir}/mnt/var/lib/AccountsService/users
+ prun-opt /usr/bin/cp -a ${mig_dir}/icons/* ${mig_dir}/mnt/var/lib/AccountsService/icons
+ prun-opt /usr/bin/cp -a ${mig_dir}/bluetooth/* ${mig_dir}/mnt/var/lib/bluetooth
+ prun-opt /usr/bin/cp -a ${mig_dir}/fprint/* ${mig_dir}/mnt/var/lib/fprint
+ prun-opt /usr/bin/cp -a ${mig_dir}/openvpn/* ${mig_dir}/mnt/etc/openvpn
+ prun /usr/bin/umount ${mig_dir}/mnt/etc
+ prun /usr/bin/umount ${mig_dir}/mnt/var
+ prun /usr/bin/umount ${mig_dir}/mnt
+ prun /usr/bin/mount -o compress=zstd:1,subvol=/@ ${probedpart} ${mig_dir}/mnt
+ prun /usr/sbin/btrfs subvolume delete ${mig_dir}/mnt/home
+ (prun /usr/sbin/btrfs send ${mig_dir}/${snap_dir} | pv -f -F "# %b copied in %t %r" | prun /usr/sbin/btrfs receive ${mig_dir}/mnt) 2>&1 | d --progress --title="Restoring /home" --pulsate --auto-close --no-cancel --width=400
+ prun /usr/bin/mv ${mig_dir}/mnt/${snap_dir} ${mig_dir}/mnt/home
+ prun /usr/sbin/btrfs property set -f -ts ${mig_dir}/mnt/home ro false
+ for subsubvol in $(prun-opt /usr/sbin/btrfs subvolume list -o ${mig_dir}/${snap_dir} --sort=path | rev | cut -f1 -d' ' | rev | sed 's/^@//'); do
+ subsubvolname=$(basename $subsubvol)
+ subsubdirname=$(dirname $subsubvol | awk -F "${mig_dir}/${snap_dir}" '{print $2}')
+ (prun /usr/sbin/btrfs send ${subsubvol} | pv -f -F "# %b copied in %t %r" | prun /usr/sbin/btrfs receive ${mig_dir}/mnt/home/${subsubdirname} ) 2>&1 | d --progress --title="Restoring containers" --pulsate --auto-close --no-cancel --width=400
+ prun /usr/sbin/btrfs property set -f -ts ${mig_dir}/mnt/home/${subsubdirname}/${subsubvolname} ro false
+ prun-opt /usr/bin/sed -i 's/driver = "overlay"/driver = "btrfs"/g' ${mig_dir}/mnt/etc/containers/storage.conf
+ done
+ for userhome in ${mig_dir}/mnt/home/*/; do
+ writemigdesktop $userhome
+ done
+ prun /usr/bin/umount ${mig_dir}/mnt
+ prun /usr/bin/rmdir ${mig_dir}/mnt
 fi

usr/lib/tik/modules/pre/20-mig

@@ -81,7 +81,7 @@ if [ -z "${skipbackup}" ]; then
 
  if [ -n "${probedpart}" ]; then
  prun /usr/bin/mkdir ${mig_dir}/mnt
- if prun /usr/bin/mount -o compress=zstd:1,subvol=/@/home ${probedpart} ${mig_dir}/mnt; then
+ if prun-opt /usr/bin/mount -o compress=zstd:1,subvol=/@/home ${probedpart} ${mig_dir}/mnt; then
  prun /usr/sbin/btrfs quota rescan -w ${mig_dir}/mnt | d --progress --title="Detected existing /home subvolume.." --pulsate --auto-close --no-cancel --width=400
  home_size=$(prun /usr/sbin/btrfs qgroup show --raw -f ${mig_dir}/mnt | grep @/home$ | awk '{print $2}')
  tik_stick_size=$(prun /usr/sbin/btrfs fi usage --raw ${mig_dir} | grep estimated | awk '{print $3}')