support giving a github repo URL with a trailing slash (#10360)

packages/cli/src/config/extensions/github.test.ts

@@ -292,13 +292,20 @@ describe('git extension helpers', () => {
       expect(repo).toBe('repo');
     });
 
-    it('should parse owner and repo from a full GitHub UR without .git', () => {
+    it('should parse owner and repo from a full GitHub URL without .git', () => {
       const source = 'https://github.com/owner/repo';
       const { owner, repo } = parseGitHubRepoForReleases(source);
       expect(owner).toBe('owner');
       expect(repo).toBe('repo');
     });
 
+    it('should parse owner and repo from a full GitHub URL with a trailing slash', () => {
+      const source = 'https://github.com/owner/repo/';
+      const { owner, repo } = parseGitHubRepoForReleases(source);
+      expect(owner).toBe('owner');
+      expect(repo).toBe('repo');
+    });
+
     it('should fail on a GitHub SSH URL', () => {
       const source = 'git@github.com:owner/repo.git';
       expect(() => parseGitHubRepoForReleases(source)).toThrow(

packages/cli/src/config/extensions/github.ts

@@ -85,7 +85,11 @@ export function parseGitHubRepoForReleases(source: string): {
   // Default to a github repo path, so `source` can be just an org/repo
   const parsedUrl = URL.parse(source, 'https://github.com');
   // The pathname should be "/owner/repo".
-  const parts = parsedUrl?.pathname.substring(1).split('/');
+  const parts = parsedUrl?.pathname
+    .substring(1)
+    .split('/')
+    // Remove the empty segments, fixes trailing slashes
+    .filter((part) => part !== '');
   if (parts?.length !== 2 || parsedUrl?.host !== 'github.com') {
     throw new Error(
       `Invalid GitHub repository source: ${source}. Expected "owner/repo" or a github repo uri.`,