feat: add by-label disk support

Signed-off-by: sisungo <[email protected]>

misc/rules/0050-blockdev.ron

@@ -15,6 +15,21 @@
         when: Match("FSUUID", ""),
         do: [Unset("FSUUID")],
     ),
+    (
+        when: All([
+            Match("ACTION", "add"),
+            Match("SUBSYSTEM", "block"),
+            Match("DEVNODE", ".*"),
+        ]),
+        do: [
+            UseProvider("FSLABEL", f("blkid -o value -s LABEL {DEVNODE}")),
+        ],
+        on_error: Continue,
+    ),
+    (
+        when: Match("FSLABEL", ""),
+        do: [Unset("FSLABEL")],
+    ),
 
     // Create link aliases for block devices
     (
@@ -42,6 +57,14 @@
         ]),
         do: [Add("SYMLINKS", f("{DEVROOT}/disk/by-uuid/{FSUUID}"))],
     ),
+    (
+        when: All([
+            Match("ACTION", "add"),
+            Match("SUBSYSTEM", "block"),
+            Match("FSLABEL", ".+"),
+        ]),
+        do: [Add("SYMLINKS", f("{DEVROOT}/disk/by-label/{FSLABEL}"))],
+    ),
     (
         when: All([
             Match("ACTION", "add"),