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ruby-grape / grape
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28 Sep 2026 08:39PM UTC coverage: 99.966%. Remained the same
36480772871

Pull #3017

github

ericproulx
Answer a common Accept header without copying the header versioner

Middleware::Base#call copied the header versioner for every request so
that #before could keep the env and the Accept header it scrubs in
ivars. The versioner already answers the Accept headers clients
usually send from a table built when it is (a declared media type, */*
or none). When the API is not strict, a request whose header is in that
table now has its media type recorded and the app called from the one
instance the stack built. Any other request, and every request to a
strict API, whose checks read the header itself, still goes through
#before on a copy.

A subclass overriding #before is therefore not called for those
requests; UPGRADING says to override #call instead.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Pull Request #3017: Answer a common Accept header without copying the header versioner

1512 of 1513 branches covered (99.93%)

Branch coverage included in aggregate %.

8 of 8 new or added lines in 1 file covered. (100.0%)

4386 of 4387 relevant lines covered (99.98%)

29632.77 hits per line

Relevant lines Covered
Build:
Build:
4387 RELEVANT LINES 4386 COVERED LINES
29632.77 HITS PER LINE
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Builds Branch Commit Type Ran Committer Via Coverage
36480772871 perf/versioner-header-without-copy Answer a common Accept header without copying the header versioner Middleware::Base#call copied the header versioner for every request so that #before could keep the env and the Accept header it scrubs in ivars. The versioner already answers the ... Pull #3017 28 Sep 2026 08:39PM UTC ericproulx github
99.97
36480298674 perf/versioner-header-without-copy Answer a common Accept header without copying the header versioner Middleware::Base#call copied the header versioner for every request so that #before could keep the env and the Accept header it scrubs in ivars. The versioner already answers the ... Pull #3017 28 Sep 2026 08:35PM UTC ericproulx github
99.97
36455743770 perf/versioner-header-without-copy Answer a common Accept header without copying the header versioner Middleware::Base#call copied the header versioner for every request so that #before could keep the env and the Accept header it scrubs in ivars. The versioner already answers the ... Pull #3017 28 Sep 2026 05:06PM UTC ericproulx github
99.97
36455655234 perf/versioner-header-without-copy Answer a common Accept header without copying the header versioner Middleware::Base#call copied the header versioner for every request so that #before could keep the env and the Accept header it scrubs in ivars. The versioner already answers the ... Pull #3017 28 Sep 2026 05:05PM UTC ericproulx github
99.97
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