nuttxpr commented on PR #3057:
URL: https://github.com/apache/nuttx-apps/pull/3057#issuecomment-274580
[**\[Experimental Bot, please feedback
here\]**](https://github.com/search?q=repo%3Aapache%2Fnuttx+13552&type=issues)
No, this PR summary does not adequately meet the NuttX requirements. Here's
why and how to fix it:
* **Insufficient Detail in Summary:** "using system dd to instead nsh dd,
avoid duplicate code, and keep function align with nsh dd" is too vague.
* *Why* is duplicate code a problem (maintenance, size, bugs)?
* *What* part of the code is changing (files, functions, modules)? Be
specific! "system/dd" is a start, but mention specific files.
* *How* does it work? Does this mean the `dd` command in NSH now calls
a system-level `dd` utility? Explain the mechanism.
* **Missing Issue References:** Are there any related NuttX or NuttX Apps
issues that this PR addresses? If so, link them. If not, explicitly state
"None."
* **Incomplete Impact Assessment:**
* **Impact on user:** Does this change the behavior of the `dd` command
in any way that a user would notice? Even if you think the answer is no,
explain why. For example, "No, the user interface and functionality of the `dd`
command remain the same."
* **Impact on build:** You mentioned config changes. Describe
*precisely* what changes to the configuration are required. Which Kconfig files
are affected? How should users update their `.config` files? Provide examples.
* **Impact on hardware:** You've only mentioned "sim:nsh." Does this
change affect *any* physical hardware? Even if it's platform-agnostic, state
that explicitly. "No, this change affects only the NSH implementation of `dd`
and is independent of the underlying hardware."
* **Impact on documentation:** Does any documentation need updating?
If not, state that. "No, this change does not require documentation updates as
the user interface and functionality of the `dd` command are unchanged."
* **Impact on security, compatibility:** Even if the answer is "NO" to
these, state it explicitly and briefly justify why. For example, "No security
impact, no changes to data handling or access." "Backward compatible, the `dd`
command's interface and functionality are unchanged."
* **Insufficient Testing Information:** "sim:nsh" is far too brief.
* **Build Host:** Be specific about your development environment.
Example: "Linux, Ubuntu 22.04, x86_64, GCC 11.2.0"
* **Target:** Specify simulator details. Example: "qemu-system-arm,
Cortex-M4F"
* **Testing logs:** You haven't provided *any* logs. Show examples of
the `dd` command being used before and after the change, demonstrating that the
behavior is the same. Even simple examples are better than none.
**Example of improved summary:**
```
## Summary
This PR refactors the NSH `dd` command to utilize a common system-level `dd`
implementation located in `system/dd/dd.c`. This eliminates duplicate code
previously present in the NSH implementation (`apps/nshlib/nsh_ddcmd.c`),
reducing code size and maintenance overhead. The functionality of the `dd`
command remains unchanged, ensuring consistency and preventing regressions.
This addresses the code duplication issue highlighted in [NuttX Issue
#1234](replace with actual issue link if one exists, otherwise state "None").
## Impact
* **Impact on user:** No. The user interface and functionality of the `dd`
command are unchanged.
* **Impact on build:** Yes. The `NSH_DISABLE_DD` and `NSH_CMDOPT_DD_STATS`
Kconfig options are removed. `SYSTEM_DD` is now enabled whenever
`DEFAULT_SMALL` is disabled, ensuring that the `dd` command is always
available. Users should remove these deprecated options from their `.config`
files. In `apps/Kconfig`, remove the lines related to `NSH_DISABLE_DD` and
`NSH_CMDOPT_DD_STATS`.
* **Impact on hardware:** No. This change is independent of the underlying
hardware. It only refactors the NSH implementation of the `dd` command.
* **Impact on documentation:** No. The user interface and functionality
remain unchanged.
* **Impact on security:** No. No changes to data handling or access.
* **Impact on compatibility:** Backward compatible. The `dd` command's
interface and functionality are unchanged.
## Testing
* **Build Host:** Linux, Ubuntu 22.04, x86_64, GCC 11.2.0
* **Target:** qemu-system-arm, Cortex-M4F (sim:nsh)
**Testing logs before change:**
```
nsh> dd if=/dev/zero of=/dev/null bs=512 count=10
10+0 records in
10+0 records out
5120 bytes transferred in 0.000171 secs (29941520 bytes/sec)
nsh>
```
**Testing logs after change:**
```
nsh> dd if=/dev/zero of=/dev/null bs=512 count=10
10+0 records in
10+0 records out
5120 bytes transferred in 0.000168 secs (304761
