I think this is almost working!

1 files changed, 49 insertions, 23 deletions

diff --git a/modules/koreader/default.nix b/modules/koreader/default.nix
index 3cc5281..ab1be83 100644
--- a/modules/koreader/default.nix
+++ b/modules/koreader/default.nix
@@ -8,15 +8,42 @@ in {
 
     package = mkPackageOption pkgs "kobo-koreader" {};
 
-    _allFiles = mkOption {
+    _createdFiles = mkOption {
       type = types.package;
+      internal = true;
       readOnly = true;
+      default = pkgs.buildEnv {
+        name = "koreader-files-created";
+        paths = mapAttrsToList (_: v: v._package) cfg.file;
+        extraPrefix = cfg.devicePath;
+      };
+    };
+
+    finalPackage = mkOption {
+      type = types.package;
       internal = true;
-      default = pkgs.symlinkJoin {
-        name = "koreader-files";
-        paths = mapAttrsToList (_: v: v._package) cfg.file ++ [ cfg.package ];
+      readOnly = true;
+      default = pkgs.mergePaths {
+        name = "koreader-package";
+        paths = [
+          (pkgs.linkFarm "koreader" [{
+            name = removePrefix "/" cfg.devicePath;
+            path = cfg.package.out;
+          }])
+          cfg._createdFiles
+          cfg.package.KoboRoot
+        ];
       };
     };
+    # _allFiles = mkOption {
+    #   type = types.package;
+    #   readOnly = true;
+    #   internal = true;
+    #   default = pkgs.symlinkJoin {
+    #     name = "koreader-files";
+    #     paths = mapAttrsToList (_: v: v._package) cfg.file ++ [ cfg.package ];
+    #   };
+    # };
 
     path = mkOption {
       type = types.str;
@@ -43,25 +70,24 @@ in {
     };
   };
 
-  config = mkIf cfg.enable {
-    koboroot.include = [
-      (pkgs.linkFarm [{
-        name = cfg.devicePath;
-        path = cfg._allFiles;
-      })
-      cfg.package.KoboRoot
-    ];
+  config = mkMerge [
+    {
+      info.koreader = cfg.enable;
+    }
+    (mkIf cfg.enable {
+      koboroot.include = singleton cfg.finalPackage;
 
-    nickel.menu.item = mkIf cfg.nickel.enable {
-      koreader = singleton {
-        location = "main";
-        label = "KOReader";
-        action = "cmd_spawn";
-        arg = [
-          "quiet"
-          "exec ${cfg.devicePath}/koreader.sh";
-        ];
+      nickel.menu.item = mkIf cfg.nickel.enable {
+        koreader = singleton {
+          location = "main";
+          label = "KOReader";
+          action = "cmd_spawn";
+          arg = [
+            "quiet"
+            "exec ${cfg.devicePath}/koreader.sh"
+          ];
+        };
       };
-    };
-  };
+    })
+  ];
 }