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t4067: make rename detection test output raw diff

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95acf11a3d ("diff: restrict when prefetching occurs", 2020-04-07) taught
diff to prefetch blobs in a more limited set of situations. These
limited situations include when the output format requires blob data,
and when inexact rename detection is needed.

There is an existing test case that tests inexact rename detection, but
it also uses an output format that requires blob data, resulting in the
inexact-rename-detection-only code not being tested. Update this test to
use the raw output format, which does not require blob data.

Thanks to Derrick Stolee for noticing this lapse in code coverage and
for doing the preliminary analysis [1].

[1] https://lore.kernel.org/git/853759d3-97c3-241f-98e1-990883cd204e@gmail.com/

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2020-05-19 11:31:51 -07:00 committed by Junio C Hamano
parent 95acf11a3d
commit 293194c9f9
1 changed files with 2 additions and 2 deletions
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4
t/t4067-diff-partial-clone.sh
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@ -125,8 +125,8 @@ test_expect_success 'diff with rename detection batches blobs' '
# Ensure that there is exactly 1 negotiation by checking that there is
# only 1 "done" line sent. ("done" marks the end of negotiation.)
GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff -M HEAD^ HEAD >out &&
grep "similarity index" out &&
GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff --raw -M HEAD^ HEAD >out &&
grep ":100644 100644.*R[0-9][0-9][0-9].*b.*c" out &&
grep "git> done" trace >done_lines &&
test_line_count = 1 done_lines
'