fix(platform/bitbucket-server): do not force lowercase project keys in autodiscover mode

docs/usage/self-hosted-configuration.md

@@ -103,6 +103,8 @@ RENOVATE_AUTODISCOVER_FILTER="/myapp/(readme\.md|src/.*)/"
 }
 ```
 
+The search for repositories is case-insensitive.
+
 **Regex**:
 
 All text inside the start and end `/` will be treated as a regular expression.

lib/modules/platform/bitbucket-server/index.spec.ts

@@ -266,7 +266,7 @@ describe('modules/platform/bitbucket-server/index', () => {
               values: [repoMock(url, 'SOME', 'repo')],
               start: 0,
             });
-          expect(await bitbucket.getRepos()).toEqual(['some/repo']);
+          expect(await bitbucket.getRepos()).toEqual(['SOME/repo']);
         });
       });
 

lib/modules/platform/bitbucket-server/index.ts

@@ -110,7 +110,7 @@ export async function getRepos(): Promise<string[]> {
     );
     const result = repos.map(
       (r: { project: { key: string }; slug: string }) =>
-        `${r.project.key.toLowerCase()}/${r.slug}`
+        `${r.project.key}/${r.slug}`
     );
     logger.debug({ result }, 'result of getRepos()');
     return result;

lib/workers/global/autodiscover.spec.ts

@@ -164,4 +164,18 @@ describe('workers/global/autodiscover', () => {
     const res = await autodiscoverRepositories(config);
     expect(res.repositories).toEqual(expectedRepositories);
   });
+
+  it('filters autodiscovered github repos case-insensitive', async () => {
+    config.autodiscover = true;
+    config.autodiscoverFilter = ['project/re*'];
+    config.platform = 'github';
+    hostRules.find = jest.fn(() => ({
+      token: 'abc',
+    }));
+    ghApi.getRepos = jest.fn(() =>
+      Promise.resolve(['project/repo', 'PROJECT/repo2'])
+    );
+    const res = await autodiscoverRepositories(config);
+    expect(res.repositories).toEqual(['project/repo', 'PROJECT/repo2']);
+  });
 });

lib/workers/global/autodiscover.ts

@@ -105,7 +105,7 @@ export function applyFilters(repos: string[], filters: string[]): string[] {
       }
       res = repos.filter(autodiscoveryPred);
     } else {
-      res = repos.filter(minimatch.filter(filter));
+      res = repos.filter(minimatch.filter(filter, { nocase: true }));
     }
     for (const repository of res) {
       matched.add(repository);