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t6421: fix test to work when repo dir contains d0

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The `grep` statement in this test looks for `d0.*<string>`, attempting
to filter to only show lines that had tabular output where the 2nd
column had `d0` and the final column had a substring of
[`git -c `]`fetch.negotiationAlgorithm`. These lines also have
`child_start` in the 4th column, but this isn't part of the condition.

A subsequent line will have `d1` in the 2nd column, `start` in the 4th
column, and `/path/to/git/git -c fetch.negotiationAlgorihm` in the final
column. If `/path/to/git/git` contains the substring `d0`, then this
line is included by `grep` as well as the desired line, leading to an
effective doubling of the number of lines, and test failures.

Tighten the grep expression to require `d0` to be surrounded by spaces,
and to have the `child_start` label.

Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kyle Lippincott 2024-08-05 17:10:08 +00:00 committed by Junio C Hamano
parent b928d57ca9
commit ec60bb9fc4
1 changed files with 9 additions and 6 deletions
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15
t/t6421-merge-partial-clone.sh
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@ -230,8 +230,9 @@ test_expect_merge_algorithm failure success 'Objects downloaded for single relev
grep fetch_count trace.output | cut -d "|" -f 9 | tr -d " ." >actual &&
test_cmp expect actual &&
# Check the number of fetch commands exec-ed
grep d0.*fetch.negotiationAlgorithm trace.output >fetches &&
# Check the number of fetch commands exec-ed by filtering trace to
# child_start events by the top-level program (2nd field == d0)
grep " d0 .* child_start .*fetch.negotiationAlgorithm" trace.output >fetches &&
test_line_count = 2 fetches &&
git rev-list --objects --all --missing=print |
@ -318,8 +319,9 @@ test_expect_merge_algorithm failure success 'Objects downloaded when a directory
grep fetch_count trace.output | cut -d "|" -f 9 | tr -d " ." >actual &&
test_cmp expect actual &&
# Check the number of fetch commands exec-ed
grep d0.*fetch.negotiationAlgorithm trace.output >fetches &&
# Check the number of fetch commands exec-ed by filtering trace to
# child_start events by the top-level program (2nd field == d0)
grep " d0 .* child_start .*fetch.negotiationAlgorithm" trace.output >fetches &&
test_line_count = 1 fetches &&
git rev-list --objects --all --missing=print |
@ -422,8 +424,9 @@ test_expect_merge_algorithm failure success 'Objects downloaded with lots of ren
grep fetch_count trace.output | cut -d "|" -f 9 | tr -d " ." >actual &&
test_cmp expect actual &&
# Check the number of fetch commands exec-ed
grep d0.*fetch.negotiationAlgorithm trace.output >fetches &&
# Check the number of fetch commands exec-ed by filtering trace to
# child_start events by the top-level program (2nd field == d0)
grep " d0 .* child_start .*fetch.negotiationAlgorithm" trace.output >fetches &&
test_line_count = 4 fetches &&
git rev-list --objects --all --missing=print |