feat(generator): add Mustache

README.md

@@ -55,6 +55,7 @@ use the `devshellModule` for easy integration, see the docs for more.
 - **`derivation`**: Use existing Nix derivations as file content
 - **`gomplate`**: Advanced Go template rendering via gomplate
 - **`jinja`**: Python Jinja2 template rendering
+- **`mustache`**: Mustache template rendering
 
 ## Docs
 

docs/index.md

@@ -21,6 +21,7 @@ Soonix helps you:
 - **derivation**: Use existing Nix derivations as file content
 - **gomplate**: Advanced Go template rendering via gomplate
 - **jinja**: Python Jinja2 template rendering
+- **mustache**: Mustache template rendering
 
 ### Automatic File Management
 

lib/lib.nix

@@ -100,6 +100,21 @@
       } ''
         python ${renderScript} > $out
       '';
+
+    mustache = {
+      name,
+      opts,
+      data,
+    }: let
+      inherit (opts) template;
+      mustache = opts.mustache or pkgs.mustache-go;
+      dataJson = writeText "template-data.json" (builtins.toJSON data);
+    in
+      runCommand name {
+        buildInputs = [mustache];
+      } ''
+        mustache ${dataJson} ${template} > $out
+      '';
   };
 
   buildAllFiles = files:

lib/module.nix

@@ -30,7 +30,7 @@ in {
           };
 
           generator = mkOption {
-            type = types.enum ["nix" "string" "derivation" "gomplate" "jinja" "template"];
+            type = types.enum ["nix" "string" "derivation" "gomplate" "jinja" "mustache" "template"];
             description = ''
               Which engine to use for content generation.
             '';

tests/fixtures/mustache_template

@@ -0,0 +1 @@
+Hello {{hello}}

tests/soonix_test.nix

@@ -30,6 +30,12 @@
       data.hello = "world";
       opts.template = ./fixtures/jinja_template;
     };
+    mustache = {
+      output = "mustache";
+      generator = "mustache";
+      data.hello = "world";
+      opts.template = ./fixtures/mustache_template;
+    };
   };
 in {
   suites."Soonix Tests" = {
@@ -53,6 +59,9 @@ in {
 
             assert "-f ${finalFiles}/jinja" "should exist"
             assert_file_contains ${finalFiles}/jinja "Hello world"
+
+            assert "-f ${finalFiles}/mustache" "should exist"
+            assert_file_contains ${finalFiles}/mustache "Hello world"
           '';
       }
       {