#!/bin/sh test_description='signed commit tests' . ./test-lib.sh GNUPGHOME_NOT_USED=$GNUPGHOME . "$TEST_DIRECTORY/lib-gpg.sh" test_expect_success GPG 'create signed commits' ' test_when_finished "test_unconfig commit.gpgsign" && 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 && git config commit.gpgsign true && echo 5 >file && test_tick && git commit -a -m "fifth signed" && git tag fifth-signed && git config commit.gpgsign false && echo 6 >file && test_tick && git commit -a -m "sixth" && git tag sixth-unsigned && git config commit.gpgsign true && echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign && git tag seventh-unsigned && test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ && git tag seventh-signed && echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 && git tag eighth-signed-alt && # commit.gpgsign is still on but this must not be signed git tag ninth-unsigned $(echo 9 | git commit-tree HEAD^{tree}) && # explicit -S of course must sign. git tag tenth-signed $(echo 9 | git commit-tree -S HEAD^{tree}) ' test_expect_success GPG 'verify and show signatures' ' ( for commit in initial second merge fourth-signed \ fifth-signed sixth-signed seventh-signed tenth-signed do git verify-commit $commit && git show --pretty=short --show-signature $commit >actual && grep "Good signature from" actual && ! grep "BAD signature from" actual && echo $commit OK || exit 1 done ) && ( for commit in merge^2 fourth-unsigned sixth-unsigned \ seventh-unsigned ninth-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 && echo $commit OK || exit 1 done ) && ( for commit in eighth-signed-alt do git show --pretty=short --show-signature $commit >actual && grep "Good signature from" actual && ! grep "BAD signature from" actual && grep "not certified" actual && echo $commit OK || exit 1 done ) ' test_expect_success GPG 'verify-commit exits success on untrusted signature' ' git verify-commit eighth-signed-alt 2>actual && grep "Good signature from" actual && ! grep "BAD signature from" actual && grep "not certified" actual ' test_expect_success GPG 'verify signatures with --raw' ' ( for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed do git verify-commit --raw $commit 2>actual && grep "GOODSIG" actual && ! grep "BADSIG" actual && echo $commit OK || exit 1 done ) && ( for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned do test_must_fail git verify-commit --raw $commit 2>actual && ! grep "GOODSIG" actual && ! grep "BADSIG" actual && echo $commit OK || exit 1 done ) && ( for commit in eighth-signed-alt do git verify-commit --raw $commit 2>actual && grep "GOODSIG" actual && ! grep "BADSIG" actual && grep "TRUST_UNDEFINED" actual && echo $commit OK || exit 1 done ) ' 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 -e "gpg: " -e "Warning: " show >show.commit && grep -e "gpg: " -e "Warning: " 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 ' test_expect_success GPG 'detect fudged signature with NUL' ' git cat-file commit seventh-signed >raw && 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 ' test_expect_success GPG 'show good signature with custom format' ' cat >expect <<-\EOF && G 13B6F51ECDDE430D C O Mitter EOF git log -1 --format="%G?%n%GK%n%GS" sixth-signed >actual && test_cmp expect actual ' test_expect_success GPG 'show bad signature with custom format' ' cat >expect <<-\EOF && B 13B6F51ECDDE430D C O Mitter EOF git log -1 --format="%G?%n%GK%n%GS" $(cat forged1.commit) >actual && test_cmp expect actual ' test_expect_success GPG 'show untrusted signature with custom format' ' cat >expect <<-\EOF && U 61092E85B7227189 Eris Discordia EOF git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual && test_cmp expect actual ' test_expect_success GPG 'show unknown signature with custom format' ' cat >expect <<-\EOF && E 61092E85B7227189 EOF GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual && test_cmp expect actual ' test_expect_success GPG 'show lack of signature with custom format' ' cat >expect <<-\EOF && N EOF git log -1 --format="%G?%n%GK%n%GS" seventh-unsigned >actual && test_cmp expect actual ' test_expect_success GPG 'log.showsignature behaves like --show-signature' ' test_config log.showsignature true && git show initial >actual && grep "gpg: Signature made" actual && grep "gpg: Good signature" actual ' test_done