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git/t/t0005-signals.sh
Eric Sunshine c576868eaf tests: fix broken &&-chains in `$(...)` command substitutions
The top-level &&-chain checker built into t/test-lib.sh causes tests to
magically exit with code 117 if the &&-chain is broken. However, it has
the shortcoming that the magic does not work within `{...}` groups,
`(...)` subshells, `$(...)` substitutions, or within bodies of compound
statements, such as `if`, `for`, `while`, `case`, etc. `chainlint.sed`
partly fills in the gap by catching broken &&-chains in `(...)`
subshells, but bugs can still lurk behind broken &&-chains in the other
cases.

Fix broken &&-chains in `$(...)` command substitutions in order to
reduce the number of possible lurking bugs.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-13 10:29:48 -08:00

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#!/bin/sh
test_description='signals work as we expect'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
cat >expect <<EOF
three
two
one
EOF
test_expect_success 'sigchain works' '
{ test-tool sigchain >actual; ret=$?; } &&
{
# Signal death by raise() on Windows acts like exit(3),
# regardless of the signal number. So we must allow that
# as well as the normal signal check.
test_match_signal 15 "$ret" ||
test "$ret" = 3
} &&
test_cmp expect actual
'
test_expect_success !MINGW 'signals are propagated using shell convention' '
# we use exec here to avoid any sub-shell interpretation
# of the exit code
git config alias.sigterm "!exec test-tool sigchain" &&
test_expect_code 143 git sigterm
'
large_git () {
for i in $(test_seq 1 100)
do
git diff --cached --binary || return
done
}
test_expect_success 'create blob' '
test-tool genrandom foo 16384 >file &&
git add file
'
test_expect_success !MINGW 'a constipated git dies with SIGPIPE' '
OUT=$( ((large_git; echo $? 1>&3) | :) 3>&1 ) &&
test_match_signal 13 "$OUT"
'
test_expect_success !MINGW 'a constipated git dies with SIGPIPE even if parent ignores it' '
OUT=$( ((trap "" PIPE && large_git; echo $? 1>&3) | :) 3>&1 ) &&
test_match_signal 13 "$OUT"
'
test_done