Add hledger-fmt hook

README.md

@@ -490,6 +490,7 @@ use nix
 - [end-of-file-fixer](https://github.com/pre-commit/pre-commit-hooks/blob/main/pre_commit_hooks/end_of_file_fixer.py)
 - [fix-byte-order-marker](https://github.com/pre-commit/pre-commit-hooks/blob/main/pre_commit_hooks/fix_byte_order_marker.py)
 - [headache](https://github.com/frama-c/headache)
+- [hledger-fmt](https://github.com/mondeja/hledger-fmt)
 - [mixed-line-endings](https://github.com/pre-commit/pre-commit-hooks/blob/main/pre_commit_hooks/mixed_line_ending.py)
 - [mkdocs-linkcheck](https://github.com/byrnereese/linkchecker-mkdocs)
 - [openapi-spec-validator](https://github.com/python-openapi/openapi-spec-validator)

modules/hooks.nix

@@ -680,6 +680,20 @@ in
           };
         };
       };
+      hledger-fmt = mkOption {
+        description = "hledger-fmt hook";
+        type = types.submodule {
+          imports = [ hookModule ];
+          options.settings = {
+            fix =
+              mkOption {
+                type = types.bool;
+                description = "Fix the files in place.";
+                default = false;
+              };
+          };
+        };
+      };
       hlint = mkOption {
         description = "hlint hook";
         type = types.submodule {
@@ -3083,6 +3097,22 @@ lib.escapeShellArgs (lib.concatMap (ext: [ "--ghc-opt" "-X${ext}" ]) hooks.fourm
           entry = "${hooks.hindent.package}/bin/hindent";
           files = "\\.l?hs(-boot)?$";
         };
+      hledger-fmt =
+        {
+          name = "hledger-fmt";
+          description = "Opinionated hledger's journal files formatter.";
+          package = tools.hledger-fmt;
+          entry =
+            let
+              cmdArgs = mkCmdArgs (
+                with hooks.hledger-fmt.settings; [
+                  [ fix "--fix" ]
+                ]
+              );
+            in
+            "${hooks.hledger-fmt.package}/bin/hledger-fmt ${cmdArgs}";
+          files = "\\.(hledger|journal|j)$";
+        };
       hlint =
         {
           name = "hlint";

nix/tools.nix

@@ -39,6 +39,7 @@
 , hadolint
 , haskellPackages
 , hindent
+, hledger-fmt ? null
 , hlint
 , hpack
 , html-tidy
@@ -147,6 +148,7 @@ in
     gptcommit
     hadolint
     hindent
+    hledger-fmt
     hlint
     hpack
     html-tidy