Method deleteWorkspaceBranchIfSafe

src/node/worktree/WorktreeManager.ts:725–809

(args: {
    projectPath: string;
    workspaceName: string;
    branchName: string | null;
    force: boolean;
    isInPlace: boolean;
    noHooksEnv: GitExecOptions;
    allowWorkspaceNameFallback: boolean;
  })

  }

  private async deleteWorkspaceBranchIfSafe(args: {
    projectPath: string;
    workspaceName: string;
    branchName: string | null;
    force: boolean;
    isInPlace: boolean;
    noHooksEnv: GitExecOptions;
    allowWorkspaceNameFallback: boolean;
  }): Promise<void> {
    // For git worktree workspaces, workspaceName is the branch name.
    // Now that archiving exists, deleting a workspace should also delete its local branch by default.
    if (args.isInPlace) {
      return;
    }

    const branchToDelete =
      args.branchName?.trim() ?? (args.allowWorkspaceNameFallback ? args.workspaceName.trim() : "");
    if (!branchToDelete) {
      log.debug("Skipping git branch deletion: workspace branch is unknown", {
        projectPath: args.projectPath,
        workspaceName: args.workspaceName,
      });
      return;
    }

    let localBranches: string[];
    try {
      localBranches = await listLocalBranches(args.projectPath);
    } catch (error) {
      log.debug("Failed to list local branches; skipping branch deletion", {
        projectPath: args.projectPath,
        workspaceName: branchToDelete,
        error: getErrorMessage(error),
      });
      return;
    }

    if (!localBranches.includes(branchToDelete)) {
      log.debug("Skipping git branch deletion: branch does not exist locally", {
        projectPath: args.projectPath,
        workspaceName: branchToDelete,
      });
      return;
    }

    const protectedBranches = await this.getProtectedBranches(
      args.projectPath,
      localBranches,
      args.noHooksEnv
    );
    if (protectedBranches.has(branchToDelete)) {
      log.debug("Skipping git branch deletion: protected branch", {
        projectPath: args.projectPath,
        workspaceName: branchToDelete,
      });
      return;
    }