feat(datasource/orb): Add support for internal CircleCI Registries (#33213)

Co-authored-by: Michael Kriese <michael.kriese@gmx.de>

lib/modules/datasource/orb/__snapshots__/index.spec.ts.snap

@@ -4,7 +4,7 @@ exports[`modules/datasource/orb/index getReleases processes homeUrl 1`] = `
 {
   "homepage": "https://google.com",
   "isPrivate": false,
-  "registryUrl": "https://circleci.com/",
+  "registryUrl": "https://circleci.com",
   "releases": [
     {
       "releaseTimestamp": "2018-12-11T05:28:14.080Z",
@@ -53,7 +53,7 @@ exports[`modules/datasource/orb/index getReleases processes real data 1`] = `
 {
   "homepage": "https://circleci.com/developer/orbs/orb/hyper-expanse/library-release-workflows",
   "isPrivate": false,
-  "registryUrl": "https://circleci.com/",
+  "registryUrl": "https://circleci.com",
   "releases": [
     {
       "releaseTimestamp": "2018-12-11T05:28:14.080Z",

lib/modules/datasource/orb/index.spec.ts

@@ -92,5 +92,18 @@ describe('modules/datasource/orb/index', () => {
       expect(res).toMatchSnapshot();
       expect(res?.homepage).toBe('https://google.com');
     });
+
+    it('supports other registries', async () => {
+      httpMock
+        .scope('https://cci.internal.dev')
+        .post('/graphql-unstable')
+        .reply(200, orbData);
+      const res = await getPkgReleases({
+        datasource,
+        packageName: 'hyper-expanse/library-release-workflows',
+        registryUrls: ['https://cci.internal.dev'],
+      });
+      expect(res?.registryUrl).toBe('https://cci.internal.dev');
+    });
   });
 });

lib/modules/datasource/orb/index.ts

 import { logger } from '../../../logger';
 import { cache } from '../../../util/cache/package/decorator';
+import { joinUrlParts } from '../../../util/url';
 import { Datasource } from '../datasource';
 import type { GetReleasesConfig, ReleaseResult } from '../types';
 import type { OrbResponse } from './types';
@@ -27,9 +28,10 @@ export class OrbDatasource extends Datasource {
     super(OrbDatasource.id);
   }
 
-  override readonly customRegistrySupport = false;
+  override readonly customRegistrySupport = true;
 
   override readonly defaultRegistryUrls = ['https://circleci.com/'];
+  override readonly registryStrategy = 'hunt';
 
   override readonly releaseTimestampSupport = true;
   override readonly releaseTimestampNote =
@@ -47,7 +49,7 @@ export class OrbDatasource extends Datasource {
     if (!registryUrl) {
       return null;
     }
-    const url = `${registryUrl}graphql-unstable`;
+    const url = joinUrlParts(registryUrl, 'graphql-unstable');
     const body = {
       query,
       variables: { packageName, maxVersions: MAX_VERSIONS },