Support catalogPath wildcards

Signed-off-by: Andre Wanlin <67169551+awanlin@users.noreply.github.com>

.changeset/tall-mugs-press.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend-module-github': patch
+---
+
+Improved support for wildcards in `catalogPath`

plugins/catalog-backend-module-github/src/providers/GitHubEntityProvider.ts

@@ -195,9 +195,9 @@ export class GitHubEntityProvider implements EntityProvider {
   private createLocationUrl(repository: Repository): string {
     const branch =
       this.config.filters?.branch || repository.defaultBranchRef?.name || '-';
-    const catalogFile = this.config.catalogPath.substring(
-      this.config.catalogPath.lastIndexOf('/') + 1,
-    );
+    const catalogFile = this.config.catalogPath.startsWith('/')
+      ? this.config.catalogPath.substring(1)
+      : this.config.catalogPath;
     return `${repository.url}/blob/${branch}/${catalogFile}`;
   }