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https://issues.apache.org/jira/browse/ARROW-4515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661537#comment-17661537
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Rok Mihevc commented on ARROW-4515:
-----------------------------------
This issue has been migrated to [issue
#21066|https://github.com/apache/arrow/issues/21066] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++, lint] Use clang-format more efficiently in `check-format` target
> ----------------------------------------------------------------------
>
> Key: ARROW-4515
> URL: https://issues.apache.org/jira/browse/ARROW-4515
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Ben Kietzman
> Priority: Minor
> Labels: good-first-issue
>
> `clang-format` supports command line option `-output-replacements-xml` which
> (in the case of no required changes) outputs:
> ```
> <?xml version='1.0'?>
> <replacements xml:space='preserve' incomplete_format='false'>
> </replacements>
> ```
> Using this option during `check-format` instead of using python to compute a
> diff between formatted and on-disk should speed up that target significantly
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