hst/fs: implement overlay fstype

This finally exposes overlay mounts in the high level hakurei API. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-15 03:30:51 +09:00
parent 4433c993fa
commit 9ed3ba85ea
12 changed files with 253 additions and 3 deletions
--- a/test/sandbox/configuration.nix
+++ b/test/sandbox/configuration.nix
@@ -82,6 +82,24 @@ in
        src = "/var/cache";
        write = true;
      }
+      {
+        type = "overlay";
+        dst = "/.hakurei/.ro-store";
+        lower = [
+          "/nix/.ro-store"
+          "/nix/.rw-store/upper"
+        ];
+      }
+      {
+        type = "overlay";
+        dst = "/.hakurei/store";
+        lower = [
+          "/nix/.ro-store"
+          "/nix/.rw-store/upper"
+        ];
+        upper = "/tmp/.hakurei-store-rw/upper";
+        work = "/tmp/.hakurei-store-rw/work";
+      }
    ];

    inherit (testCases) apps;