cmd/sharefs: implement shared filesystem

This is for passing files between applications, similar to android /sdcard. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-25 04:05:54 +09:00
parent ea815a59e8
commit 7bfbd59810
13 changed files with 878 additions and 17 deletions
--- a/options.nix
+++ b/options.nix
@@ -40,6 +40,40 @@ in
        '';
      };

+      sharefs = {
+        user = mkOption {
+          type = types.str;
+          default = "sharefs";
+          description = ''
+            Name of the user to run the sharefs daemon as.
+          '';
+        };
+
+        group = mkOption {
+          type = types.str;
+          default = "sharefs";
+          description = ''
+            Name of the group to run the sharefs daemon as.
+          '';
+        };
+
+        name = mkOption {
+          type = types.str;
+          default = "/sdcard";
+          description = ''
+            Host path to mount sharefs on.
+          '';
+        };
+
+        source = mkOption {
+          type = types.nullOr types.str;
+          default = null;
+          description = ''
+            Writable backing directory. Setting this to null disables sharefs.
+          '';
+        };
+      };
+
      apps = mkOption {
        type =
          let