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experimental_use_coverage_metadata_files #2082

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UebelAndre opened this issue Jul 27, 2023 · 0 comments
Open

experimental_use_coverage_metadata_files #2082

UebelAndre opened this issue Jul 27, 2023 · 0 comments
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enhancement

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@UebelAndre
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UebelAndre commented Jul 27, 2023 •
edited

experimental_use_coverage_metadata_files is a flag to have coverage tooling added as coverage_common.instrumented_files_info.metadata_files (taking advantage of bazelbuild/bazel#18697) instead of reporting tools like llvm-cov and llvm-profdata as runfiles to each test. To enable this flag pass the following:

--@rules_rust//rust/settings:experimental_use_coverage_metadata_files

Note that this flag is only supported on Bazel version >=6.3.0
@UebelAndre UebelAndre mentioned this issue Jul 27, 2023
Merged
UebelAndre added a commit that referenced this issue Jul 28, 2023
@UebelAndre
Add support for split_coverage_post_processing (#2000)
ddbce7e 
This change introduces `experimental_use_coverage_metadata_files`
(#2082) which is required
to support
[--experimental_split_coverage_postprocessing](https://bazel.build/reference/command-line-reference#flag--experimental_split_coverage_postprocessing)'

Changes:
- Implemented coverage collection logic in Rust.
- Added a flag
`--@rules_rust//rust/settings:experimental_use_coverage_metadata_files`
to toggle the changes necessary for supporting
`--experimental_split_coverage_postprocessing`.
- Added regression testing in CI to test
`--experimental_split_coverage_postprocessing`.
@UebelAndre UebelAndre mentioned this issue Aug 24, 2023
Merged
UebelAndre added a commit that referenced this issue Aug 28, 2023
@UebelAndre
Flip experimental_use_coverage_metadata_files (#2128)
7f44a8e 
relates to #2082
@UebelAndre UebelAndre mentioned this issue Sep 4, 2023
Closed
ttiurani pushed a commit to ttiurani/rules_rust that referenced this issue Sep 15, 2023
@UebelAndre @ttiurani
Flip experimental_use_coverage_metadata_files (bazelbuild#2128)
d1cf939 
relates to bazelbuild#2082
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