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Normalize "\r\n" to "\n" to ensure ^ and $ match line boundaries #92

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merged 1 commit into from
Jul 7, 2020

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@mgeisler mgeisler commented Jul 7, 2020

The regex crate only considers "\n" a line boundary, so ^ and $ don't
match "\r\n". This can be a problem if code is checked out on Windows
and Git helpfully rewrites your "\n" to "\r\n". I ran into this
problem when testing GitHub Actions on the textwrap repository.

See rust-lang/regex#244.

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codecov-commenter commented Jul 7, 2020

Codecov Report

Merging #92 into master will increase coverage by 0.09%.
The diff coverage is 100.00%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master      #92      +/-   ##
==========================================
+ Coverage   93.54%   93.64%   +0.09%     
==========================================
  Files           5        5              
  Lines         403      409       +6     
==========================================
+ Hits          377      383       +6     
  Misses         26       26              
Impacted Files Coverage Δ
src/contains_regex.rs 100.00% <100.00%> (ø)
src/helpers.rs 93.75% <100.00%> (ø)

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The regex crate only considers "\n" a line boundary, so ^ and $ don't
match "\r\n". This can be a problem if code is checked out on Windows
and Git helpfully rewrites your "\n" to "\r\n". I ran into this
problem when testing GitHub Actions on the textwrap repository.

See rust-lang/regex#244.
@mgeisler mgeisler force-pushed the windows-line-boundaries branch from 91a9a41 to fee29b2 Compare July 7, 2020 17:46
@mgeisler mgeisler merged commit ba00157 into master Jul 7, 2020
@mgeisler mgeisler deleted the windows-line-boundaries branch February 14, 2021 16:41
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2 participants