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The use of `|| return` (or `|| exit`) to signal failure within a loop
isn't effective when the loop is upstream of a pipe since the pipe
swallows all upstream exit codes and returns only the exit code of the
final command in the pipeline.
To work around this limitation, tests may adopt an alternative strategy
of signaling failure by emitting text which would never be emitted in
the non-failing case. For instance:
while condition
do
command1 &&
command2 ||
echo "impossible text"
done |
sort >actual &&
Such usage indicates deliberate thought about failure cases by the test
author, thus flagging them as missing `|| return` (or `|| exit`) is not
helpful. Therefore, take this case into consideration when checking for
explicit loop termination.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
12 lines
331 B
Plaintext
12 lines
331 B
Plaintext
(
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git rev-list --objects --no-object-names base..loose |
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while read oid
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do
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# LINT: "|| echo" signals failure in loop upstream of a pipe
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path="$objdir/$(test_oid_to_path "$oid")" &&
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printf "%s %d\n" "$oid" "$(test-tool chmtime --get "$path")" ||
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echo "object list generation failed for $oid"
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done |
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sort -k1
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) >expect &&
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