feat: support specifying stages, close #49

Author: David Arnold

modules/pre-commit.nix

@@ -258,6 +258,18 @@ in
           default = [];
         };
 
+      default_stages =
+        mkOption {
+          type = types.listOf types.str;
+          description =
+            ''
+              A configuration wide option for the stages property.
+              Installs hooks to the defined stages.
+              Default is empty which falls back to 'commit'.
+            '';
+          default = [];
+        };
+
       rawConfig =
         mkOption {
           type = types.attrs;
@@ -284,8 +296,11 @@ in
                 hooks = processedHooks;
               }
             ];
+          test = "string";
         } // lib.optionalAttrs (cfg.excludes != []) {
           exclude = mergeExcludes cfg.excludes;
+        } // lib.optionalAttrs (cfg.default_stages != []) {
+          default_stages = cfg.default_stages;
         };
 
       pre-commit.installationScript =

nix/run.nix

@@ -5,6 +5,7 @@ builtinStuff@{ pkgs, tools, pre-commit, git, runCommand, writeText, writeScript,
 , excludes ? []
 , tools ? {}
 , settings ? {}
+, default_stages ? []
 }:
 
 let
@@ -32,7 +33,7 @@ let
                 _module.args.pkgs = pkgs;
                 pre-commit =
                   {
-                    inherit hooks excludes settings;
+                    inherit hooks excludes settings default_stages;
                     tools = builtinStuff.tools // tools;
                   };
               };