Merge pull request #390 from phip1611/cmake-format

hooks: init cmake-format

README.md

@@ -255,17 +255,21 @@ use nix
 - [mkdocs-linkcheck](https://github.com/byrnereese/linkchecker-mkdocs)
 - [headache](https://github.com/frama-c/headache)
 - [crystal](https://crystal-lang.org/reference/man/crystal#crystal-tool-format)
+- [cmake-format](https://cmake-format.readthedocs.io/en/latest/)
 
-You must configure which languages should be formatted by `clang_format` using
-`clang-format.types_or`. For example to check both C and C++ files:
+You may restrict which languages should be formatted by `clang-format` using
+`clang-format.types_or`. For example to check only C and C++ files:
 
 ```nix
 clang-format = {
   enable = true;
-  types_or = [ "c" "c++" ];
+  types_or = lib.mkForce [ "c" "c++" ];
 };
 ```
 
+Otherwise, the default internal list is used which includes everything that 
+clang-format supports.
+
 ## Git
 
 - [commitizen](https://github.com/commitizen-tools/commitizen)

modules/hooks.nix

@@ -113,6 +113,15 @@ in
             default = false;
           };
         };
+      cmake-format =
+        {
+          configPath = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Path to the configuration file (.json,.python,.yaml)";
+            default = "";
+            example = ".cmake-format.json";
+          };
+        };
       credo = {
         strict =
           mkOption {
@@ -1367,6 +1376,21 @@ in
           entry = "${tools.cljfmt}/bin/cljfmt fix";
           types_or = [ "clojure" "clojurescript" "edn" ];
         };
+      cmake-format =
+        {
+          name = "cmake-format";
+          description = "A tool for formatting CMake-files.";
+          entry =
+            let
+              maybeConfigPath =
+                if settings.cmake-format.configPath == ""
+                # Searches automatically for the config path.
+                then ""
+                else "-C ${settings.cmake-format.configPath}";
+            in
+            "${tools.cmake-format}/bin/cmake-format --check ${maybeConfigPath}";
+          files = "\\.cmake$|CMakeLists.txt";
+        };
       commitizen =
         {
           name = "commitizen check";