feat: combine arch tracks, use immutable override flag

ubuntu.yaml

@@ -22,7 +22,7 @@ stages:
   - module: exec
     inputs:
       - |
-        git clone --revision 8579f58f68893c2baaafc21764e9f61d1fb35c45 --depth 1 https://git.ruds.io/rs2009/akshara /akshara
+        git clone --revision "$BASE_AKSHARA_REPO_COMMIT" --depth 1 "$BASE_AKSHARA_REPO" /akshara
         cd /akshara
         cp -a usr/lib/akshara /usr/lib/akshara
         cp -a usr/lib/dracut/modules.d/10akshara /usr/lib/dracut/modules.d/10akshara
@@ -36,20 +36,25 @@ post-stages:
       - dracut --force --regenerate-all
 
 override:
-  - path: /var/lib/dpkg/
+  - path: /var/lib/dpkg
     keep: new
+    immutable: true
 
-  - path: /var/lib/apt/
+  - path: /var/lib/apt
     keep: new
 
   - path: /etc/apt/sources.list
     keep: new
+    immutable: true
 
-  - path: /etc/apt/sources.list.d/
+  - path: /etc/apt/sources.list.d
     keep: new
+    immutable: true
 
-  - path: /var/cache/blendOS/
+  - path: /var/cache/blendOS
     keep: old
 
 env:
-  IMAGE_NAME: docker://ghcr.io/rudraswat/ubuntu-rolling-gnome:main
+  BASE_IMAGE_NAME: docker://ghcr.io/rudraswat/ubuntu-rolling-gnome:main
+  BASE_AKSHARA_REPO: "https://git.ruds.io/rs2009/akshara"
+  BASE_AKSHARA_REPO_COMMIT: "f17c272b659b9641f2e921bd4c6523ca3dd1cdb5"