Add default catalogPath value if missing.

Currently the following target would give an empty catalogPath:
https://bitbucket.mycompany.com/projects/*/repos/*/
However it's convenient to have a default catalog value, and it would
expand as such:
https://bitbucket.mycompany.com/projects/project-a/repos/repo-b/catalog-info.yaml

Signed-off-by: Otto Nordander <otto.nordander@gmail.com>

docs/integrations/bitbucket/discovery.md

@@ -38,7 +38,11 @@ The target is composed of four parts:
   repositories prefixed with `service-`.
 - The path within each repository to find the catalog YAML file. This will
   usually be `/catalog-info.yaml` or a similar variation for catalog files
-  stored in the root directory of each repository.
+  stored in the root directory of each repository. If omitted, the default value
+  `catalog-info.yaml` will be used. E.g. given that `my-project`and `service-a`
+  exists, `https://bitbucket.mycompany.com/projects/my-project/repos/service-*/`
+  will result in:
+  `https://bitbucket.mycompany.com/projects/my-project/repos/service-a/catalog-info.yaml`.
 
 ## Custom repository processing
 

plugins/catalog-backend/src/ingestion/processors/BitbucketDiscoveryProcessor.test.ts

@@ -225,6 +225,34 @@ describe('BitbucketDiscoveryProcessor', () => {
         optional: true,
       });
     });
+
+    it.each`
+      target
+      ${'https://bitbucket.mycompany.com/projects/backstage/repos/*'}
+      ${'https://bitbucket.mycompany.com/projects/backstage/repos/*/'}
+      ${'https://bitbucket.mycompany.com/projects/backstage/repos/techdocs-*/'}
+    `("target '$target' adds default path to catalog", async ({ target }) => {
+      setupStubs([{ key: 'backstage', repos: ['techdocs-cli'] }]);
+
+      const location: LocationSpec = {
+        type: 'bitbucket-discovery',
+        target: target,
+      };
+
+      const emitter = jest.fn();
+      await processor.readLocation(location, false, emitter);
+
+      expect(emitter).toHaveBeenCalledTimes(1);
+      expect(emitter).toHaveBeenCalledWith({
+        type: 'location',
+        location: {
+          type: 'url',
+          target:
+            'https://bitbucket.mycompany.com/projects/backstage/repos/techdocs-cli/browse/catalog-info.yaml',
+        },
+        optional: true,
+      });
+    });
   });
 
   describe('Custom repository parser', () => {

plugins/catalog-backend/src/ingestion/processors/BitbucketDiscoveryProcessor.ts

@@ -84,13 +84,15 @@ export class BitbucketDiscoveryProcessor implements CatalogProcessor {
     this.logger.info(`Reading Bitbucket repositories from ${location.target}`);
 
     const { catalogPath } = parseUrl(location.target);
+    const expandedCatalogPath =
+      catalogPath === '/' ? '/catalog-info.yaml' : catalogPath;
 
     const result = await readBitbucketOrg(client, location.target);
 
     for (const repository of result.matches) {
       for await (const entity of this.parser({
         integration: integration,
-        target: `${repository.links.self[0].href}${catalogPath}`,
+        target: `${repository.links.self[0].href}${expandedCatalogPath}`,
         logger: this.logger,
       })) {
         emit(entity);