v9.7

- DietPi-Patches | Avoid shell warning for command substitution reading /proc node

.update/patches

@@ -1793,7 +1793,9 @@ Patch_9_7()
  # NanoPi R5S/R6S migration from legacy image with 8 partitions to Armbian-based kernel and bootloader
  elif [[ $G_HW_MODEL == 76 ]] && dpkg-query -s 'firmware-nanopi5' &> /dev/null
  then
- case $(</proc/device-tree/model) in
+ local rmodel
+ read -r rmodel < /proc/device-tree/model
+ case $rmodel in
  *R5S*) HW_VARIANT=1 /boot/dietpi/func/dietpi-set_software apt-mirror dietpi; local model='nanopi-r5s';;
  *R5C*) HW_VARIANT=2 /boot/dietpi/func/dietpi-set_software apt-mirror dietpi; local model='nanopi-r5c';;
  *) G_DIETPI-NOTIFY 1 'No known SBC model detected'; exit 1;;
@@ -1852,7 +1854,7 @@ Patch_9_7()
  G_EXEC_OUTPUT=1 G_EXEC sfdisk --no-reread -N1 "$rootdrive" <<< ',+' # Needed, since above command and '286720,+' somehow create the partition 2015 sectors smaller, resulting in too large filesystem size. Only a subsequent ',+' expands it to the true end of the drive.
  # LAN interface migration
  G_DIETPI-NOTIFY 2 'Migrating LAN interface configs'
- case $(</proc/device-tree/model) in
+ case $rmodel in
  *R5S*) local eth0='ethto2' eth1='ethto0' eth2='ethto1';;
  *R5C*) local eth0='ethto1' eth1='ethto0' eth2='';;
  *) :;;
@@ -1868,7 +1870,9 @@ Patch_9_7()
 
  elif [[ $G_HW_MODEL == 79 ]] && dpkg-query -s 'firmware-nanopi6' &> /dev/null
  then
- case $(</proc/device-tree/model) in
+ local rmodel
+ read -r rmodel < /proc/device-tree/model
+ case $rmodel in
  *R6S*) HW_VARIANT=1 /boot/dietpi/func/dietpi-set_software apt-mirror dietpi; local model='nanopi-r6s';;
  *R6C*) HW_VARIANT=2 /boot/dietpi/func/dietpi-set_software apt-mirror dietpi; local model='nanopi-r6c';;
  *T6*) HW_VARIANT=3 /boot/dietpi/func/dietpi-set_software apt-mirror dietpi; local model='nanopct6';;
@@ -1934,7 +1938,7 @@ Patch_9_7()
  G_EXEC_OUTPUT=1 G_EXEC sfdisk --no-reread -N1 "$rootdrive" <<< ',+' # Needed, since above command and '286720,+' somehow create the partition 2015 sectors smaller, resulting in too large filesystem size. Only a subsequent ',+' expands it to the true end of the drive.
  # LAN interface migration
  G_DIETPI-NOTIFY 2 'Migrating LAN interface configs'
- case $(</proc/device-tree/model) in
+ case $rmodel in
  *R6S*) local eth1='ethto2' eth2='ethto1';;
  *) local eth0='skip';;
  esac