yazi: Fix expected structure of flavors

modules/programs/yazi.nix

@@ -164,7 +164,7 @@ in {
       default = { };
       description = ''
         Pre-made themes.
-        Values should be a package or path containing an `init.lua` file.
+        Values should be a package or path containing the required files.
         Will be linked to {file}`$XDG_CONFIG_HOME/yazi/flavors/<name>.yazi`.
 
         See <https://yazi-rs.github.io/docs/flavors/overview/> for documentation.
@@ -228,26 +228,37 @@ in {
     ]);
 
     assertions = let
-      mkAsserts = opt:
+      mkAsserts = opt: requiredFiles:
         mapAttrsToList (name: value:
           let
             isDir = pathIsDirectory "${value}";
             msgNotDir = optionalString (!isDir)
               "The path or package should be a directory, not a single file.";
-            hasInitLua = pathExists "${value}/init.lua"
-              && !(pathIsDirectory "${value}/init.lua");
-            msgNoInitLua = optionalString (!hasInitLua)
-              "The path or package must contain a file `init.lua`.";
+            isFileMissing = file:
+              !(pathExists "${value}/${file}")
+              || pathIsDirectory "${value}/${file}";
+            missingFiles = filter isFileMissing requiredFiles;
+            msgFilesMissing = optionalString (missingFiles != [ ])
+              "The ${singularOpt} is missing these files: ${
+                toString missingFiles
+              }";
             singularOpt = removeSuffix "s" opt;
           in {
-            assertion = isDir && hasInitLua;
+            assertion = isDir && missingFiles == [ ];
             message = ''
               Value at `programs.yazi.${opt}.${name}` is not a valid yazi ${singularOpt}.
               ${msgNotDir}
-              ${msgNoInitLua}
+              ${msgFilesMissing}
               Evaluated value: `${value}`
             '';
           }) cfg.${opt};
-    in (mkAsserts "flavors") ++ (mkAsserts "plugins");
+    in (mkAsserts "flavors" [
+      "flavor.toml"
+      "tmtheme.xml"
+      "README.md"
+      "preview.png"
+      "LICENSE"
+      "LICENSE-tmtheme"
+    ]) ++ (mkAsserts "plugins" [ "init.lua" ]);
   };
 }

tests/modules/programs/yazi/flavor/README.md

@@ -0,0 +1,50 @@
+<div align="center">
+  <img src="https://github.com/sxyazi/yazi/blob/main/assets/logo.png?raw=true" alt="Yazi logo" width="20%">
+</div>
+
+<h3 align="center">
+	Example Flavor for <a href="https://github.com/sxyazi/yazi">Yazi</a>
+</h3>
+
+## Cooking up a new flavor
+
+> [!NOTE]
+> Please remove this section from your README before publishing.
+
+1. [x] Fork this repository and rename it to `your-flavor-name.yazi`.
+2. [ ] Copy the **parts you need to customize** from the [default theme.toml](https://github.com/sxyazi/yazi/blob/main/yazi-config/preset/theme.toml) as `./flavor.toml`, and change them to meet your preferences.
+3. [ ] Find a `.tmTheme` file on GitHub that matches the color of your flavor, copy it and it's license file as `./tmtheme.xml`, and `LICENSE-tmtheme`.
+4. [ ] Modify the content and preview image in the README to fit your flavor.
+
+## 👀 Preview
+
+<img src="preview.png" width="600" />
+
+## 🎨 Installation
+
+<!-- Please replace "username/example.yazi" with your repository name. -->
+
+```bash
+# Linux/macOS
+git clone https://github.com/username/example.yazi.git ~/.config/yazi/flavors/example.yazi
+
+# Windows
+git clone https://github.com/username/example.yazi.git %AppData%\yazi\config\flavors\example.yazi
+```
+
+## ⚙️ Usage
+
+Add the these lines to your `theme.toml` configuration file to use it:
+
+<!-- Please replace "example" with your flavor name. -->
+
+```toml
+[flavor]
+use = "example"
+```
+
+## 📜 License
+
+The flavor is MIT-licensed, and the included tmTheme is also MIT-licensed.
+
+Check the [LICENSE](LICENSE) and [LICENSE-tmtheme](LICENSE-tmtheme) file for more details.

tests/modules/programs/yazi/flavor/flavor.toml

@@ -0,0 +1,2 @@
+# This is a flavor.
+

tests/modules/programs/yazi/flavor/init.lua

@@ -1 +0,0 @@
--- This is a flavor.

tests/modules/programs/yazi/settings.nix

@@ -83,7 +83,7 @@
       ## Produces warning
       #"flavor-with-suffix.yazi" = ./flavor;
       ## Fails assertion
-      #single-file-flavor = ./flavor/init.lua;
+      #single-file-flavor = ./flavor/flavor.toml;
       #empty-dir-flavor = ./empty;
     };
   };
@@ -101,7 +101,7 @@
       ${./init.lua}
     assertFileContent home-files/.config/yazi/plugins/testplugin.yazi/init.lua \
       ${./plugin/init.lua}
-    assertFileContent home-files/.config/yazi/flavors/testflavor.yazi/init.lua \
-      ${./flavor/init.lua}
+    assertFileContent home-files/.config/yazi/flavors/testflavor.yazi/flavor.toml \
+      ${./flavor/flavor.toml}
   '';
 }