[PATCH installer 19/21] unconfigured: add restore mode to unconfigured.sh

[Shannon Sterz <s.sterz@proxmox.com>]

Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
---
 Proxmox/Install/Config.pm |  2 +-
 unconfigured.sh           | 18 +++++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/Proxmox/Install/Config.pm b/Proxmox/Install/Config.pm
index 00b713f..299bab1 100644
--- a/Proxmox/Install/Config.pm
+++ b/Proxmox/Install/Config.pm
@@ -46,7 +46,7 @@ sub parse_kernel_cmdline {
     my @filtered = grep {
         $_ !~ m/^(BOOT_IMAGE|root|ramdisk_size|splash|vga)=\S+$/
             && $_ !~ m/^(ro|rw|quiet)$/
-            && $_ !~ m/^(prox(debug|tui|auto)|proxmox-\S+)$/
+            && $_ !~ m/^(prox(debug|tui|auto|restore)|proxmox-\S+)$/
     } split(/\s+/, $cmdline);
 
     $cfg->{target_cmdline} = join(' ', @filtered);
diff --git a/unconfigured.sh b/unconfigured.sh
index 6af29e8..8e4300d 100755
--- a/unconfigured.sh
+++ b/unconfigured.sh
@@ -12,6 +12,7 @@ parse_cmdline() {
     proxdebug=0
     proxtui=0
     serial=0
+    proxrestore=0
     # shellcheck disable=SC2013 # per word splitting is wanted here
     for par in $(cat /proc/cmdline); do
         case $par in
@@ -27,6 +28,9 @@ parse_cmdline() {
             console=ttyS*|console=ttyAMA*)
                 serial=1
             ;;
+            proxrestore|proxmox-restore-mode)
+                proxrestore=1
+            ;;
         esac
     done;
 }
@@ -349,9 +353,17 @@ sysctl -w kernel.printk='4 4 1 7'
 
 /usr/bin/proxmox-low-level-installer dump-env
 
-if [ $proxtui -ne 0 ]; then
-    echo "Starting the TUI installer"
-    /usr/bin/proxmox-tui-installer 2>/dev/tty2
+if [ $proxtui -ne 0 ] || [ $proxrestore -ne 0 ]; then
+    if [ $proxrestore -ne 0 ]; then
+        echo "Caching device info from udev"
+        /usr/bin/proxmox-low-level-installer dump-udev
+
+        echo "Starting the TUI installer in restore mode"
+        /usr/bin/proxmox-tui-installer -r 2>/dev/tty2
+    else
+        echo "Starting the TUI installer"
+        /usr/bin/proxmox-tui-installer 2>/dev/tty2
+    fi
 elif [ $start_auto_installer -ne 0 ]; then
     echo "Caching device info from udev"
     /usr/bin/proxmox-low-level-installer dump-udev
-- 
2.47.3