Method getExistingMaterializedTaskLaunch

src/node/services/taskService.ts:2558–2590

(
    plan: TaskLaunchPlan,
    sourceRuntime: Runtime,
    workspace: WorkspaceConfigEntry
  )

  }

  private async getExistingMaterializedTaskLaunch(
    plan: TaskLaunchPlan,
    sourceRuntime: Runtime,
    workspace: WorkspaceConfigEntry
  ): Promise<MaterializedTaskLaunch | null> {
    const workspacePath =
      coerceNonEmptyString(workspace.path) ??
      sourceRuntime.getWorkspacePath(plan.parentMeta.projectPath, plan.workspaceName);
    if (!(await runtimePathExists(sourceRuntime, workspacePath))) {
      return null;
    }

    const forkedRuntimeConfig = workspace.runtimeConfig ?? plan.taskRuntimeConfig;
    const runtimeForTaskWorkspace = createRuntimeForWorkspace({
      runtimeConfig: forkedRuntimeConfig,
      projectPath: plan.parentMeta.projectPath,
      name: plan.workspaceName,
      namedWorkspacePath: workspacePath,
    });
    const trunkBranch =
      coerceNonEmptyString(workspace.taskTrunkBranch) ??
      coerceNonEmptyString(plan.preferredTrunkBranch) ??
      coerceNonEmptyString(plan.parentMeta.name) ??
      plan.workspaceName;

    return {
      workspacePath,
      trunkBranch,
      forkedRuntimeConfig,
      runtimeForTaskWorkspace,
      inheritedProjects: workspace.projects ?? plan.parentMeta.projects,
    };
  }

  private async runProjectForkExclusive<T>(projectPath: string, fn: () => Promise<T>): Promise<T> {
    assert(projectPath.length > 0, "runProjectForkExclusive requires projectPath");