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#!/bin/sh
test_description='signed commit tests'
. ./test-lib.sh
. "$TEST_DIRECTORY/lib-gpg.sh"
test_expect_success GPG 'create signed commits' '
echo 1 >file && git add file &&
test_tick && git commit -S -m initial &&
git tag initial &&
git branch side &&
echo 2 >file && test_tick && git commit -a -S -m second &&
git tag second &&
git checkout side &&
echo 3 >elif && git add elif &&
test_tick && git commit -m "third on side" &&
git checkout master &&
test_tick && git merge -S side &&
git tag merge &&
echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
git tag fourth-unsigned &&
test_tick && git commit --amend -S -m "fourth signed" &&
git tag fourth-signed
'
test_expect_success GPG 'show signatures' '
(
for commit in initial second merge master
do
git show --pretty=short --show-signature $commit >actual &&
grep "Good signature from" actual || exit 1
! grep "BAD signature from" actual || exit 1
echo $commit OK
done
) &&
(
for commit in merge^2 fourth-unsigned
do
git show --pretty=short --show-signature $commit >actual &&
grep "Good signature from" actual && exit 1
! grep "BAD signature from" actual || exit 1
echo $commit OK
done
)
'
test_expect_success GPG 'detect fudged signature' '
git cat-file commit master >raw &&
sed -e "s/fourth signed/4th forged/" raw >forged1 &&
git hash-object -w -t commit forged1 >forged1.commit &&
git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
grep "BAD signature from" actual1 &&
! grep "Good signature from" actual1
'
test_expect_success GPG 'detect fudged signature with NUL' '
git cat-file commit master >raw &&
cat raw >forged2 &&
echo Qwik | tr "Q" "\000" >>forged2 &&
git hash-object -w -t commit forged2 >forged2.commit &&
git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
grep "BAD signature from" actual2 &&
! grep "Good signature from" actual2
'
test_expect_success GPG 'amending already signed commit' '
git checkout fourth-signed^0 &&
git commit --amend -S --no-edit &&
git show -s --show-signature HEAD >actual &&
grep "Good signature from" actual &&
! grep "BAD signature from" actual
'
test_done
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