feat: Support for Platform "Gerrit"

docs/usage/configuration-options.md

@@ -1070,6 +1070,19 @@ If you allow Renovate to run on "Selected" repositories, `forkProcessing` will b
 Only the `onboardingConfigFileName` (which defaults to `renovate.json`) is supported for `forkProcessing`.
 You can't use other filenames because Renovate only checks the default filename when using the Git-hosting platform's API.
 
+## gerritLabelMapping
+
+The name of the Gerrit labels to use for the `StabilityDays` and `Merge-Confidence` status.
+
+```json
+{
+  "stabilityDaysLabel": "Renovate-Stability",
+  "mergeConfidenceLabel": "Renovate-Confidence"
+}
+```
+
+If one or both are unset, then these information will not be passed to the Gerrit changes.
+
 ## gitAuthor
 
 You can customize the Git author that's used whenever Renovate creates a commit.

lib/config/global.ts

@@ -20,6 +20,7 @@ export class GlobalConfig {
     'dryRun',
     'exposeAllEnv',
     'executionTimeout',
+    'gerritLabelMapping',
     'githubTokenWarn',
     'localDir',
     'migratePresets',

lib/config/options/index.ts

@@ -964,7 +964,7 @@ const options: RenovateOptions[] = [
     description: 'Set to `true` to automatically approve PRs.',
     type: 'boolean',
     default: false,
-    supportedPlatforms: ['azure'],
+    supportedPlatforms: ['azure', 'gerrit'],
   },
   // depType
   {
@@ -2559,6 +2559,17 @@ const options: RenovateOptions[] = [
     default: false,
     supportedPlatforms: ['github'],
   },
+  {
+    name: 'gerritLabelMapping',
+    description:
+      'The name of the Gerrit labels to use for the `StabilityDays` and `Merge-Confidence` (branch)status.',
+    type: 'object',
+    default: {
+      stabilityDaysLabel: undefined,
+      mergeConfidenceLabel: undefined,
+    },
+    supportedPlatforms: ['gerrit'],
+  },
   {
     name: 'branchNameStrict',
     description: `Whether to be strict about the use of special characters within the branch name.`,

lib/config/presets/local/index.ts

@@ -21,6 +21,7 @@ const resolvers = {
   bitbucket: local,
   'bitbucket-server': local,
   codecommit: null,
+  gerrit: local,
   gitea,
   github,
   gitlab,

lib/config/types.ts

@@ -132,6 +132,10 @@ export interface RepoGlobalConfig {
   dockerUser?: string;
   dryRun?: DryRunConfig;
   executionTimeout?: number;
+  gerritLabelMapping?: {
+    stabilityDaysLabel?: string;
+    mergeConfidenceLabel?: string;
+  };
   gitTimeout?: number;
   exposeAllEnv?: boolean;
   githubTokenWarn?: boolean;

lib/constants/platforms.ts

@@ -3,6 +3,7 @@ export type PlatformId =
   | 'codecommit'
   | 'bitbucket'
   | 'bitbucket-server'
+  | 'gerrit'
   | 'gitea'
   | 'github'
   | 'gitlab'

lib/modules/platform/api.ts

@@ -3,6 +3,7 @@ import * as azure from './azure';
 import * as bitbucket from './bitbucket';
 import * as bitbucketServer from './bitbucket-server';
 import * as codecommit from './codecommit';
+import * as gerrit from './gerrit';
 import * as gitea from './gitea';
 import * as github from './github';
 import * as gitlab from './gitlab';
@@ -16,6 +17,7 @@ api.set(azure.id, azure);
 api.set(bitbucket.id, bitbucket);
 api.set(bitbucketServer.id, bitbucketServer);
 api.set(codecommit.id, codecommit);
+api.set(gerrit.id, gerrit);
 api.set(gitea.id, gitea);
 api.set(github.id, github);
 api.set(gitlab.id, gitlab);