feat(generator): add Mustache

fix(generator): replace gotmpl with gomplate

See merge request TECHNOFAB/soonix!5

README.md

@@ -53,8 +53,9 @@ use the `devshellModule` for easy integration, see the docs for more.
 - **`nix`**: Convert Nix data to JSON, YAML, TOML, INI, XML formats
 - **`string`**: Output raw string content with optional executable permissions
 - **`derivation`**: Use existing Nix derivations as file content
-- **`gotmpl`**: Advanced Go template rendering via gomplate
+- **`gomplate`**: Advanced Go template rendering via gomplate
 - **`jinja`**: Python Jinja2 template rendering
+- **`mustache`**: Mustache template rendering
 
 ## Docs
 

docs/index.md

@@ -19,8 +19,9 @@ Soonix helps you:
 - **nix**: Convert Nix data to JSON, YAML, TOML, INI, XML formats
 - **string**: Output raw string content with optional executable permissions
 - **derivation**: Use existing Nix derivations as file content
-- **gotmpl**: Advanced Go template rendering via gomplate
+- **gomplate**: Advanced Go template rendering via gomplate
 - **jinja**: Python Jinja2 template rendering
+- **mustache**: Mustache template rendering
 
 ### Automatic File Management
 
@@ -63,7 +64,7 @@ Automatically manage .gitignore entries for generated files to keep your reposit
 
         dockerfile = {
           output = "Dockerfile";
-          generator = "gotmpl";
+          generator = "gomplate";
           data = {
             baseImage = "node:18-alpine";
             port = 3000;

docs/usage.md

@@ -100,7 +100,7 @@ Use Go templates for more complex file generation:
 hooks = {
   dockerfile = {
     output = "Dockerfile";
-    generator = "gotmpl";
+    generator = "gomplate";
     data = {
       baseImage = "node:18-alpine";
       workdir = "/app";
@@ -331,7 +331,7 @@ in {
 hooks = {
   kubernetes-manifest = {
     output = "k8s/deployment.yaml";
-    generator = "gotmpl";
+    generator = "gomplate";
     data = {
       app = {
         name = "my-app";

lib/lib.nix

@@ -50,7 +50,7 @@
     # only a passthru
     derivation = {data, ...}: data;
 
-    gotmpl = {
+    gomplate = {
       name,
       opts,
       data,
@@ -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" "gotmpl" "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

@@ -19,10 +19,10 @@
       };
     };
     gomplate = {
-      output = "gotmpl";
-      generator = "gotmpl";
+      output = "gomplate";
+      generator = "gomplate";
       data.hello = "world";
-      opts.template = ./fixtures/gotmpl_template;
+      opts.template = ./fixtures/gomplate_template;
     };
     jinja = {
       output = "jinja";
@@ -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" = {
@@ -48,11 +54,14 @@ in {
             assert "-f ${finalFiles}/out/test.json" "should exist"
             assert_file_contains ${finalFiles}/out/test.json "soonix-test"
 
-            assert "-f ${finalFiles}/gotmpl" "should exist"
-            assert_file_contains ${finalFiles}/gotmpl "Hello world"
+            assert "-f ${finalFiles}/gomplate" "should exist"
+            assert_file_contains ${finalFiles}/gomplate "Hello world"
 
             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"
           '';
       }
       {