Retrieves branch-associated Bitbucket issue

(#4047, #4119)

Author: sergeibbb

src/plus/integrations/providers/bitbucket.ts

@@ -96,11 +96,18 @@ export class BitbucketIntegration extends HostingIntegration<
 	}
 
 	protected override async getProviderIssue(
-		_session: AuthenticationSession,
-		_repo: BitbucketRepositoryDescriptor,
-		_id: string,
+		{ accessToken }: AuthenticationSession,
+		repo: BitbucketRepositoryDescriptor,
+		id: string,
 	): Promise<Issue | undefined> {
-		return Promise.resolve(undefined);
+		return (await this.container.bitbucket)?.getIssue(
+			this,
+			accessToken,
+			repo.owner,
+			repo.name,
+			id,
+			this.apiBaseUrl,
+		);
 	}
 
 	protected override async getProviderPullRequestForBranch(

src/plus/integrations/providers/utils.ts

@@ -105,6 +105,8 @@ export function getProviderIdFromEntityIdentifier(
 			return IssueIntegrationId.Jira;
 		case EntityIdentifierProviderType.Azure:
 			return HostingIntegrationId.AzureDevOps;
+		case EntityIdentifierProviderType.Bitbucket:
+			return HostingIntegrationId.Bitbucket;
 		default:
 			return undefined;
 	}
@@ -228,6 +230,7 @@ export async function getIssueFromGitConfigEntityIdentifier(
 		identifier.provider !== EntityIdentifierProviderType.Gitlab &&
 		identifier.provider !== EntityIdentifierProviderType.GithubEnterprise &&
 		identifier.provider !== EntityIdentifierProviderType.GitlabSelfHosted &&
+		identifier.provider !== EntityIdentifierProviderType.Bitbucket &&
 		identifier.provider !== EntityIdentifierProviderType.Azure
 	) {
 		return undefined;