Disable running prebuilds without a project

Author: jankeromnes

components/gitpod-protocol/src/protocol.ts

@@ -1127,7 +1127,7 @@ export interface WithCommitHistory {
 
 export interface StartPrebuildContext extends WorkspaceContext, WithCommitHistory {
     actual: WorkspaceContext;
-    project?: Project;
+    project: Project;
     branch?: string;
 }
 

components/server/ee/src/prebuilds/prebuild-manager.ts

@@ -126,6 +126,11 @@ export class PrebuildManager {
             if (user.blocked) {
                 throw new Error(`Blocked users cannot start prebuilds (${user.name})`);
             }
+            if (!project) {
+                throw new Error(
+                    `Running prebuilds without a project is no longer supported. Please add '${cloneURL}' as a project in a Gitpod team.`,
+                );
+            }
             const existingPB = await this.findNonFailedPrebuiltWorkspace({ span }, cloneURL, commitSHAIdentifier);
 
             // If the existing prebuild is failed, it will be retriggered in the afterwards