git tag eighth-signed-alt
'
-test_expect_success GPG 'show signatures' '
+test_expect_success GPG 'verify and show signatures' '
(
for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
do
+ git verify-commit $commit &&
git show --pretty=short --show-signature $commit >actual &&
grep "Good signature from" actual &&
! grep "BAD signature from" actual &&
(
for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
do
+ test_must_fail git verify-commit $commit &&
git show --pretty=short --show-signature $commit >actual &&
! grep "Good signature from" actual &&
! grep "BAD signature from" actual &&
)
'
+test_expect_success GPG 'show signed commit with signature' '
+ git show -s initial >commit &&
+ git show -s --show-signature initial >show &&
+ git verify-commit -v initial >verify.1 2>verify.2 &&
+ git cat-file commit initial >cat &&
+ grep -v "gpg: " show >show.commit &&
+ grep "gpg: " show >show.gpg &&
+ grep -v "^ " cat | grep -v "^gpgsig " >cat.commit &&
+ test_cmp show.commit commit &&
+ test_cmp show.gpg verify.2 &&
+ test_cmp cat.commit verify.1
+'
+
test_expect_success GPG 'detect fudged signature' '
git cat-file commit seventh-signed >raw &&
sed -e "s/seventh/7th forged/" raw >forged1 &&
git hash-object -w -t commit forged1 >forged1.commit &&
+ ! git verify-commit $(cat forged1.commit) &&
git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
grep "BAD signature from" actual1 &&
! grep "Good signature from" actual1
cat raw >forged2 &&
echo Qwik | tr "Q" "\000" >>forged2 &&
git hash-object -w -t commit forged2 >forged2.commit &&
+ ! git verify-commit $(cat 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 verify-commit HEAD &&
git show -s --show-signature HEAD >actual &&
grep "Good signature from" actual &&
! grep "BAD signature from" actual