体验：hctl 未知命令只报 unknown command，不说 --help 或 testdata 示例
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Description
现在的体验
hctl get / describe / apply 缺参已经带 example。hctl doctor 缺配置是另一条票（#28）。Adapter 双真源是 #27。
hctl nosuch 只打 unknown command "nosuch" for "hctl"。根命令开了 SilenceErrors，不会附带 --help 或 README 里的 testdata 命令。
问题
打错子命令的人看不到下一步。这和缺资源名、缺配置不是同一题。
建议改动
未知命令在原错误后面加 try: hctl --help 和 hctl --home testdata/home-a --config testdata/harnessctl.yaml get harnesses。
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the root command configuration where SilenceErrors is enabled, then reproduce the current output with hctl nosuch. Update the unknown-command experience to include try: hctl --help and the testdata example hctl --home testdata/home-a --config testdata/harnessctl.yaml get harnesses, and verify both suggestions appear after the original error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go
- Domain
- cli
- Issue type
- Feature
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 72/100