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t/gpg: simplify test for unknown key

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To test for a key that is completely unknown to the keyring we need one
to sign the commit with. This was done by generating a new key and not
add it into the keyring. To avoid the key generation overhead and
problems where GPG did hang in CI during it, switch GNUPGHOME to the
empty $GNUPGHOME_NOT_USED instead, therefore making all used keys unknown
for this single `verify-commit` call.

Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Fabian Stelzer 2022-01-12 13:07:57 +01:00 committed by Junio C Hamano
parent 18c6653da0
commit 0517f591ca
1 changed files with 2 additions and 20 deletions
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22
t/t7510-signed-commit.sh
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@ -71,25 +71,7 @@ test_expect_success GPG 'create signed commits' '
git tag eleventh-signed $(cat oid) &&
echo 12 | git commit-tree --gpg-sign=B7227189 HEAD^{tree} >oid &&
test_line_count = 1 oid &&
git tag twelfth-signed-alt $(cat oid) &&
cat >keydetails <<-\EOF &&
Key-Type: RSA
Key-Length: 2048
Subkey-Type: RSA
Subkey-Length: 2048
Name-Real: Unknown User
Name-Email: unknown@git.com
Expire-Date: 0
%no-ask-passphrase
%no-protection
EOF
gpg --batch --gen-key keydetails &&
echo 13 >file && git commit -a -S"unknown@git.com" -m thirteenth &&
git tag thirteenth-signed &&
DELETE_FINGERPRINT=$(gpg -K --with-colons --fingerprint --batch unknown@git.com | grep "^fpr" | head -n 1 | awk -F ":" "{print \$10;}") &&
gpg --batch --yes --delete-secret-keys $DELETE_FINGERPRINT &&
gpg --batch --yes --delete-keys unknown@git.com
git tag twelfth-signed-alt $(cat oid)
'
test_expect_success GPG 'verify and show signatures' '
@ -129,7 +111,7 @@ test_expect_success GPG 'verify and show signatures' '
'
test_expect_success GPG 'verify-commit exits failure on unknown signature' '
test_must_fail git verify-commit thirteenth-signed 2>actual &&
test_must_fail env GNUPGHOME="$GNUPGHOME_NOT_USED" git verify-commit initial 2>actual &&
! grep "Good signature from" actual &&
! grep "BAD signature from" actual &&
grep -q -F -e "No public key" -e "public key not found" actual