multiple configuration iterator

.pre-commit-hooks.yaml

@@ -5,3 +5,12 @@
   additional_dependencies: [renovate@32.105.2]
   entry: renovate-config-validator
   files: '(^|/).?renovate(?:rc)?(?:\.json5?)?$'
+- id: renovate-config-validator-iter
+  name: renovate-config-validator
+  description: Validate Renovate config
+  language: node
+  additional_dependencies: [renovate@32.105.2]
+  entry: bash -c 'for f in ${@:0}; do renovate-config-validator $f; done'
+  files: '(^|/).?renovate(?:rc)?(?:\.json5?)?$'
+  require_serial: true
+  pass_filenames: true

README.md

@@ -13,3 +13,18 @@ repos:
     hooks:
       - id: renovate-config-validator
 ```
+
+You can also use `renovate-config-validator-iter` in a project with multiple configurations by listing the configurations in the [files](https://pre-commit.com/#hooks-files) field
+
+```yaml
+repos:
+  - repo: github.com/renovatebot/pre-commit-hooks
+    rev: 32.105.2
+    hooks:
+      - id: renovate-config-validator
+        files: |
+          (?x)^(
+            (^|.*/).?renovate(?:rc)?(?:\.json5?)?$|
+            ^default\.json
+          )
+```