Merge pull request #301 from ublue-os/rootful-ublue-update

feat: Implement changes for rootful ublue-update

system_files/deck/shared/usr/bin/steamos-update

@@ -61,7 +61,7 @@ if command -v ublue-update > /dev/null; then
     }
     upgrade() {
       # Pull exit code from ublue-update
-      ublue-update --force > /dev/null 2>&1
+      systemctl start ublue-update-force > /dev/null 2>&1
       echo $? > /tmp/upgrade-check
     }
     upgrade | fake_progress

system_files/deck/shared/usr/etc/polkit-1/rules.d/ublue-update-force.rules

@@ -0,0 +1,8 @@
+polkit.addRule(function(action, subject) {
+    if (subject.isInGroup("wheel") &&
+        action.id == "org.freedesktop.systemd1.manage-units" &&
+        action.lookup("unit") == "ublue-update-force.service")
+    {
+        return polkit.Result.YES;
+    }
+})

system_files/deck/shared/usr/lib/systemd/system/ublue-update-force.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Force Universal Blue Update Oneshot Service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/ublue-update --force
+RemainAfterExit=no