Waiting pipeline status (#35)

Author: pepakriz

src/GitlabApi.ts

@@ -66,6 +66,7 @@ export enum PipelineStatus {
 	Failed = 'failed',
 	Canceled = 'canceled',
 	Skipped = 'skipped',
+	Created = 'created',
 }
 
 export interface MergeRequestPipeline {

src/MergeRequestAcceptor.ts

@@ -18,6 +18,7 @@ export enum AcceptMergeRequestResultKind {
 	CanNotBeMerged,
 	FailedPipeline,
 	InvalidPipeline,
+	WaitingPipeline,
 	Unauthorized,
 }
 
@@ -58,6 +59,12 @@ interface InvalidPipelineResponse extends Response {
 	pipeline: MergeRequestPipeline | null;
 }
 
+interface WaitingPipelineResponse extends Response {
+	kind: AcceptMergeRequestResultKind.WaitingPipeline;
+	mergeRequestInfo: MergeRequestInfo;
+	pipeline: MergeRequestPipeline;
+}
+
 interface UnauthorizedResponse extends Response {
 	kind: AcceptMergeRequestResultKind.Unauthorized;
 	mergeRequestInfo: MergeRequestInfo;
@@ -69,6 +76,7 @@ export type AcceptMergeRequestResult = SuccessResponse
 	| CanNotBeMergedResponse
 	| FailedPipelineResponse
 	| InvalidPipelineResponse
+	| WaitingPipelineResponse
 	| UnauthorizedResponse;
 
 interface AcceptMergeRequestOptions {
@@ -246,6 +254,15 @@ export const acceptMergeRequest = async (gitlabApi: GitlabApi, mergeRequest: Mer
 				};
 			}
 
+			if (currentPipeline.status === PipelineStatus.Created) {
+				return {
+					kind: AcceptMergeRequestResultKind.WaitingPipeline,
+					mergeRequestInfo,
+					user,
+					pipeline: currentPipeline,
+				};
+			}
+
 			if (currentPipeline.status !== PipelineStatus.Success && currentPipeline.status !== PipelineStatus.Skipped) {
 				throw new Error(`Unexpected pipeline status: ${currentPipeline.status}`);
 			}

src/index.ts

@@ -90,6 +90,17 @@ const resolveMergeRequestResult = async (result: AcceptMergeRequestResult) => {
 		return;
 	}
 
+	if (result.kind === AcceptMergeRequestResultKind.WaitingPipeline) {
+		console.log(`[MR] pipeline is waiting for a manual action: ${result.pipeline.status}, assigning back`);
+
+		await Promise.all([
+			assignToAuthorAndResetLabels(gitlabApi, mergeRequestInfo),
+			sendNote(gitlabApi, mergeRequestInfo, `Merge request can't be merged. Pipeline is waiting for a manual user action.`),
+		]);
+
+		return;
+	}
+
 	if (result.kind === AcceptMergeRequestResultKind.InvalidPipeline) {
 		const message = result.pipeline === null
 			? `Merge request can't be merged. Pipeline does not exist`