fix(pipelines): codeStar connection accepts nested repository

packages/aws-cdk-lib/pipelines/lib/codepipeline/codepipeline-source.ts

@@ -424,15 +424,32 @@ class CodeStarConnectionSource extends CodePipelineSource {
   constructor(repoString: string, readonly branch: string, readonly props: ConnectionSourceOptions) {
     super(repoString);
 
-    const parts = repoString.split('/');
-    if (Token.isUnresolved(repoString) || parts.length !== 2) {
-      throw new Error(`CodeStar repository name should be a resolved string like '<owner>/<repo>', got '${repoString}'`);
+    if (!this.isValidRepoString(repoString)) {
+      throw new Error(`CodeStar repository name should be a resolved string like '<owner>/<repo>' or '<owner>/<group>/<repo>', got '${repoString}'`);
     }
+
+    const parts = repoString.split('/');
+
     this.owner = parts[0];
-    this.repo = parts[1];
+    this.repo = parts.slice(1).join('/');
     this.configurePrimaryOutput(new FileSet('Source', this));
   }
 
+  private isValidRepoString(repoString: string) {
+    if (Token.isUnresolved(repoString)) {
+      return false;
+    }
+
+    const parts = repoString.split('/');
+
+    if (parts.length < 2) {
+      return false;
+    }
+
+    // check if all element in parts is not empty
+    return parts.every(element => element !== '');
+  }
+
   protected getAction(output: Artifact, actionName: string, runOrder: number, variablesNamespace?: string) {
     return new cp_actions.CodeStarConnectionsSourceAction({
       output,

packages/aws-cdk-lib/pipelines/test/codepipeline/codepipeline-sources.test.ts

@@ -193,6 +193,47 @@ test('Dashes in repo names are removed from artifact names', () => {
   });
 });
 
+test.each([
+  'owner/repo',
+  'owner/group1/group2/groupN/repo',
+])('CodeStar connection honors all valid properties', (repoString) => {
+  const connectionArn = 'arn:aws:codestar-connections:us-east-1:123456789012:connection/12345678-abcd-12ab-34cdef5678gh';
+
+  new ModernTestGitHubNpmPipeline(pipelineStack, 'Pipeline', {
+    input: cdkp.CodePipelineSource.connection(repoString, 'main', {
+      connectionArn: connectionArn,
+    }),
+  });
+
+  Template.fromStack(pipelineStack).hasResourceProperties('AWS::CodePipeline::Pipeline', {
+    Stages: Match.arrayWith([{
+      Name: 'Source',
+      Actions: [
+        Match.objectLike({
+          Configuration: Match.objectLike({
+            FullRepositoryId: repoString,
+            BranchName: 'main',
+            ConnectionArn: connectionArn,
+          }),
+          Name: repoString.replace(/\//g, '_'),
+        }),
+      ],
+    }]),
+  });
+});
+
+test.each([
+  'repo-only',
+  'owner//duplicatedDash/repo',
+])('CodeStar connection does not accept ill-formatted identifiers', (repoString) => {
+  expect(() => {
+    new ModernTestGitHubNpmPipeline(pipelineStack, 'Pipeline', {
+      input: cdkp.CodePipelineSource.connection(repoString, 'main',
+        { connectionArn: 'arn:aws:codestar-connections:us-east-1:123456789012:connection/12345678-abcd-12ab-34cdef5678gh' }),
+    });
+  }).toThrow(`CodeStar repository name should be a resolved string like \'<owner>/<repo>\' or \'<owner>/<group>/<repo>\', got \'${repoString}\'`);
+});
+
 test('artifact names are never longer than 128 characters', () => {
   new ModernTestGitHubNpmPipeline(pipelineStack, 'Pipeline', {
     input: cdkp.CodePipelineSource.gitHub('owner/' + 'my-repo'.repeat(100), 'main'),