[libcxx-commits] [PATCH] D99862: [libc++] [CI] Validate the output of the generated scripts.

[Mark de Wever via Phabricator via libcxx-commits]

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Comment at: libcxx/utils/ci/run-buildbot:142
+        | tee ${BUILD_DIR}/generate_feature_test_macro_components.patch
+    git reset --hard HEAD
+    python3 libcxx/utils/generate_header_tests.py
----------------
Quuxplusone wrote:
> I suggest you remove this `git reset`, and do just one `git diff` at the end. I.e.,
> 
> ```
> python3 libcxx/utils/generate_feature_test_macro_components.py
> python3 libcxx/utils/generate_header_tests.py
> git diff \
>         | tee ${BUILD_DIR}/check-generated-output.patch
> ! grep -q '^--- a' \
>     ${BUILD_DIR}/check-generated-output.patch
> ```
> This makes it a one-line diff to add a new generator script, as opposed to a 5-line diff (where one line is even separated from the other 4).
> 
> Personally I'm willing for you to make this change and //not// re-run all your tedious testing, if you don't want to expend that effort a second time. :)  I will undoubtedly make my suggested change in D99309 if you don't make it here.
By making two diffs we have one CI artifact per script.
I think that makes it easier to find the culprit.
Do you think the loss of this information is acceptable?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D99862/new/

https://reviews.llvm.org/D99862