feat: disable pre-commit manager (#11616)

Disables pre-commit manager by default.

BREAKING CHANGE: pre-commit manager is no longer enabled by default, and must be opted into manually.

lib/config/presets/internal/default.ts

@@ -33,6 +33,12 @@ export const presets: Record<string, Preset> = {
       },
     ],
   },
+  enablePreCommit: {
+    description: 'Enable the pre-commit manager',
+    'pre-commit': {
+      enabled: true,
+    },
+  },
   ignoreModulesAndTests: {
     description:
       'Ignore `node_modules`, `bower_components`, `vendor` and various test/tests directories',

lib/manager/pre-commit/index.ts

@@ -2,5 +2,9 @@ export { extractPackageFile } from './extract';
 
 export const defaultConfig = {
   commitMessageTopic: 'pre-commit hook {{depName}}',
+  enabled: false,
   fileMatch: ['(^|/)\\.pre-commit-config\\.yaml$'],
+  prBodyNotes: [
+    'Note: The `pre-commit` manager in Renovate is not supported by the `pre-commit` maintainers or community. Please do not report any problems there, instead [create a Discussion in the Renovate repository](https://github.com/renovatebot/renovate/discussions/new) if you have any questions.',
+  ],
 };

lib/manager/pre-commit/readme.md

@@ -1,4 +1,10 @@
-Renovate supports updating of Git dependencies within pre-commit configuration `.pre-commit-config.yaml` files or other YAML files that use the same format (via `fileMatch` configuration).
+_Important note_: The `pre-commit` manager is disabled by default and must be opted into through config.
+Renovate's approach to version updating is not fully aligned with `pre-commit upgrade` and this has caused frustration for `pre-commit`'s creator/maintainer.
+Attempts to work with the `pre-commit` project to fix these gaps have been rejected, so therefore we have chosen to disable the manager by default indefinitely.
+Please do not contact the `pre-commit` project/maintainer about any Renovate-related topic.
+To view a list of open issues related to the `pre-commit` manager in Renovate, see the [filtered list using the `manager:pre-commit` label](https://github.com/renovatebot/renovate/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Amanager%3Apre-commit).
+
+When enabled, Renovate supports updating of Git dependencies within pre-commit configuration `.pre-commit-config.yaml` files or other YAML files that use the same format (via `fileMatch` configuration).
 Updates are performed if the files follow the conventional format used in typical pre-commit files:
 
 ```yaml
@@ -8,3 +14,15 @@ repos:
     hooks:
       - id: some-hook-id
 ```
+
+To enable the `pre-commit` manager, add the following config:
+
+```json
+{
+  "pre-commit": {
+    "enabled": true
+  }
+}
+```
+
+Alternatively, add `:enablePreCommit` to your `extends` array.