[thirdparty/git.git] / t / t7510-signed-commit.sh

#!/bin/sh

test_description='signed commit tests'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh
GNUPGHOME_NOT_USED=$GNUPGHOME
. "$TEST_DIRECTORY/lib-gpg.sh"

test_expect_success GPG 'create signed commits' '
	test_oid_cache <<-\EOF &&
	header sha1:gpgsig
	header sha256:gpgsig-sha256
	EOF

	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 main &&
	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
	echo 9 | git commit-tree HEAD^{tree} >oid &&
	test_line_count = 1 oid &&
	git tag ninth-unsigned $(cat oid) &&
	# explicit -S of course must sign.
	echo 10 | git commit-tree -S HEAD^{tree} >oid &&
	test_line_count = 1 oid &&
	git tag tenth-signed $(cat oid) &&

	# --gpg-sign[=<key-id>] must sign.
	echo 11 | git commit-tree --gpg-sign HEAD^{tree} >oid &&
	test_line_count = 1 oid &&
	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)
'

test_expect_success GPG 'verify and show signatures' '
	(
		for commit in initial second merge fourth-signed \
			fifth-signed sixth-signed seventh-signed tenth-signed \
			eleventh-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 twelfth-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-commit exits success with matching minTrustLevel' '
	test_config gpg.minTrustLevel ultimate &&
	git verify-commit sixth-signed
'

test_expect_success GPG 'verify-commit exits success with low minTrustLevel' '
	test_config gpg.minTrustLevel fully &&
	git verify-commit sixth-signed
'

test_expect_success GPG 'verify-commit exits failure with high minTrustLevel' '
	test_config gpg.minTrustLevel ultimate &&
	test_must_fail git verify-commit eighth-signed-alt
'

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 'proper header is used for hash algorithm' '
	git cat-file commit fourth-signed >output &&
	grep "^$(test_oid header) -----BEGIN PGP SIGNATURE-----" output
'

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 "^$(test_oid header) " >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 &&
	test_must_fail 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 &&
	test_must_fail 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 <committer@example.com>
	73D758744BE721698EC54E8713B6F51ECDDE430D
	73D758744BE721698EC54E8713B6F51ECDDE430D
	EOF
	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" 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 <committer@example.com>


	EOF
	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat forged1.commit) >actual &&
	test_cmp expect actual
'

test_expect_success GPG 'show untrusted signature with custom format' '
	cat >expect <<-\EOF &&
	U
	65A0EEA02E30CAD7
	Eris Discordia <discord@example.net>
	F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
	D4BE22311AD3131E5EDA29A461092E85B7227189
	EOF
	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
	test_cmp expect actual
'

test_expect_success GPG 'show untrusted signature with undefined trust level' '
	cat >expect <<-\EOF &&
	undefined
	65A0EEA02E30CAD7
	Eris Discordia <discord@example.net>
	F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
	D4BE22311AD3131E5EDA29A461092E85B7227189
	EOF
	git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
	test_cmp expect actual
'

test_expect_success GPG 'show untrusted signature with ultimate trust level' '
	cat >expect <<-\EOF &&
	ultimate
	13B6F51ECDDE430D
	C O Mitter <committer@example.com>
	73D758744BE721698EC54E8713B6F51ECDDE430D
	73D758744BE721698EC54E8713B6F51ECDDE430D
	EOF
	git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual &&
	test_cmp expect actual
'

test_expect_success GPG 'show unknown signature with custom format' '
	cat >expect <<-\EOF &&
	E
	65A0EEA02E30CAD7


	EOF
	GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" 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%n%GF%n%GP" 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_expect_success GPG 'check config gpg.format values' '
	test_config gpg.format openpgp &&
	git commit -S --amend -m "success" &&
	test_config gpg.format OpEnPgP &&
	test_must_fail git commit -S --amend -m "fail"
'

test_expect_success GPG 'detect fudged commit with double signature' '
	sed -e "/gpgsig/,/END PGP/d" forged1 >double-base &&
	sed -n -e "/gpgsig/,/END PGP/p" forged1 | \
		sed -e "s/^$(test_oid header)//;s/^ //" | gpg --dearmor >double-sig1.sig &&
	gpg -o double-sig2.sig -u 29472784 --detach-sign double-base &&
	cat double-sig1.sig double-sig2.sig | gpg --enarmor >double-combined.asc &&
	sed -e "s/^\(-.*\)ARMORED FILE/\1SIGNATURE/;1s/^/$(test_oid header) /;2,\$s/^/ /" \
		double-combined.asc > double-gpgsig &&
	sed -e "/committer/r double-gpgsig" double-base >double-commit &&
	git hash-object -w -t commit double-commit >double-commit.commit &&
	test_must_fail git verify-commit $(cat double-commit.commit) &&
	git show --pretty=short --show-signature $(cat double-commit.commit) >double-actual &&
	grep "BAD signature from" double-actual &&
	grep "Good signature from" double-actual
'

test_expect_success GPG 'show double signature with custom format' '
	cat >expect <<-\EOF &&
	E


	EOF
	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat double-commit.commit) >actual &&
	test_cmp expect actual
'

test_done
Commit	Line	Data
247503f2 JH	1	#!/bin/sh
	2
	3	test_description='signed commit tests'
1e2ae142	4	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7 JS	5	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
334afbc7 JS	6
247503f2	7	. ./test-lib.sh
661a1806	8	GNUPGHOME_NOT_USED=$GNUPGHOME
247503f2 JH	9	. "$TEST_DIRECTORY/lib-gpg.sh"
	10
	11	test_expect_success GPG 'create signed commits' '
42d4e1d1	12	test_oid_cache <<-\EOF &&
	13	header sha1:gpgsig
	14	header sha256:gpgsig-sha256
	15	EOF
	16
4b8d14b4 NV	17	test_when_finished "test_unconfig commit.gpgsign" &&
4b8d14b4 NV	18
247503f2 JH	19	echo 1 >file && git add file &&
	20	test_tick && git commit -S -m initial &&
	21	git tag initial &&
	22	git branch side &&
	23
	24	echo 2 >file && test_tick && git commit -a -S -m second &&
	25	git tag second &&
	26
	27	git checkout side &&
	28	echo 3 >elif && git add elif &&
	29	test_tick && git commit -m "third on side" &&
	30
1e2ae142	31	git checkout main &&
247503f2 JH	32	test_tick && git merge -S side &&
	33	git tag merge &&
	34
	35	echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
	36	git tag fourth-unsigned &&
	37
c871a1d1	38	test_tick && git commit --amend -S -m "fourth signed" &&
4b8d14b4 NV	39	git tag fourth-signed &&
	40
	41	git config commit.gpgsign true &&
	42	echo 5 >file && test_tick && git commit -a -m "fifth signed" &&
	43	git tag fifth-signed &&
	44
	45	git config commit.gpgsign false &&
	46	echo 6 >file && test_tick && git commit -a -m "sixth" &&
	47	git tag sixth-unsigned &&
	48
	49	git config commit.gpgsign true &&
	50	echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign &&
	51	git tag seventh-unsigned &&
	52
	53	test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ &&
99094a7a	54	git tag seventh-signed &&
4baf839f JK	55
4baf839f JK	56	echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 &&
66948561 JH	57	git tag eighth-signed-alt &&
	58
	59	# commit.gpgsign is still on but this must not be signed
41a74bd0 MÅ	60	echo 9 \| git commit-tree HEAD^{tree} >oid &&
	61	test_line_count = 1 oid &&
	62	git tag ninth-unsigned $(cat oid) &&
66948561	63	# explicit -S of course must sign.
41a74bd0 MÅ	64	echo 10 \| git commit-tree -S HEAD^{tree} >oid &&
41a74bd0 MÅ	65	test_line_count = 1 oid &&
70ddbd77 BR	66	git tag tenth-signed $(cat oid) &&
	67
	68	# --gpg-sign[=<key-id>] must sign.
	69	echo 11 \| git commit-tree --gpg-sign HEAD^{tree} >oid &&
	70	test_line_count = 1 oid &&
	71	git tag eleventh-signed $(cat oid) &&
	72	echo 12 \| git commit-tree --gpg-sign=B7227189 HEAD^{tree} >oid &&
	73	test_line_count = 1 oid &&
	74	git tag twelfth-signed-alt $(cat oid)
247503f2 JH	75	'
247503f2 JH	76
8e92c2cf	77	test_expect_success GPG 'verify and show signatures' '
247503f2	78	(
66948561	79	for commit in initial second merge fourth-signed \
70ddbd77 BR	80	fifth-signed sixth-signed seventh-signed tenth-signed \
70ddbd77 BR	81	eleventh-signed
247503f2	82	do
8e92c2cf	83	git verify-commit $commit &&
247503f2	84	git show --pretty=short --show-signature $commit >actual &&
7b1732c1 MG	85	grep "Good signature from" actual &&
	86	! grep "BAD signature from" actual &&
	87	echo $commit OK \|\| exit 1
247503f2 JH	88	done
	89	) &&
	90	(
66948561 JH	91	for commit in merge^2 fourth-unsigned sixth-unsigned \
66948561 JH	92	seventh-unsigned ninth-unsigned
247503f2	93	do
8e92c2cf	94	test_must_fail git verify-commit $commit &&
247503f2	95	git show --pretty=short --show-signature $commit >actual &&
7b1732c1 MG	96	! grep "Good signature from" actual &&
	97	! grep "BAD signature from" actual &&
	98	echo $commit OK \|\| exit 1
4baf839f JK	99	done
	100	) &&
	101	(
70ddbd77	102	for commit in eighth-signed-alt twelfth-signed-alt
4baf839f JK	103	do
	104	git show --pretty=short --show-signature $commit >actual &&
	105	grep "Good signature from" actual &&
	106	! grep "BAD signature from" actual &&
	107	grep "not certified" actual &&
	108	echo $commit OK \|\| exit 1
247503f2 JH	109	done
	110	)
	111	'
	112
434060ec	113	test_expect_success GPG 'verify-commit exits success on untrusted signature' '
8e98e5f2	114	git verify-commit eighth-signed-alt 2>actual &&
	115	grep "Good signature from" actual &&
	116	! grep "BAD signature from" actual &&
	117	grep "not certified" actual
	118	'
	119
54887b46 HJI	120	test_expect_success GPG 'verify-commit exits success with matching minTrustLevel' '
	121	test_config gpg.minTrustLevel ultimate &&
	122	git verify-commit sixth-signed
	123	'
	124
	125	test_expect_success GPG 'verify-commit exits success with low minTrustLevel' '
	126	test_config gpg.minTrustLevel fully &&
	127	git verify-commit sixth-signed
	128	'
	129
	130	test_expect_success GPG 'verify-commit exits failure with high minTrustLevel' '
	131	test_config gpg.minTrustLevel ultimate &&
	132	test_must_fail git verify-commit eighth-signed-alt
	133	'
	134
aeff29dd	135	test_expect_success GPG 'verify signatures with --raw' '
	136	(
	137	for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
	138	do
	139	git verify-commit --raw $commit 2>actual &&
	140	grep "GOODSIG" actual &&
	141	! grep "BADSIG" actual &&
	142	echo $commit OK \|\| exit 1
	143	done
	144	) &&
	145	(
	146	for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
	147	do
	148	test_must_fail git verify-commit --raw $commit 2>actual &&
	149	! grep "GOODSIG" actual &&
	150	! grep "BADSIG" actual &&
	151	echo $commit OK \|\| exit 1
	152	done
	153	) &&
	154	(
	155	for commit in eighth-signed-alt
	156	do
	157	git verify-commit --raw $commit 2>actual &&
	158	grep "GOODSIG" actual &&
	159	! grep "BADSIG" actual &&
	160	grep "TRUST_UNDEFINED" actual &&
	161	echo $commit OK \|\| exit 1
	162	done
	163	)
	164	'
	165
42d4e1d1	166	test_expect_success GPG 'proper header is used for hash algorithm' '
	167	git cat-file commit fourth-signed >output &&
	168	grep "^$(test_oid header) -----BEGIN PGP SIGNATURE-----" output
	169	'
	170
8e92c2cf MG	171	test_expect_success GPG 'show signed commit with signature' '
	172	git show -s initial >commit &&
	173	git show -s --show-signature initial >show &&
	174	git verify-commit -v initial >verify.1 2>verify.2 &&
	175	git cat-file commit initial >cat &&
3f88c1b5 KM	176	grep -v -e "gpg: " -e "Warning: " show >show.commit &&
3f88c1b5 KM	177	grep -e "gpg: " -e "Warning: " show >show.gpg &&
42d4e1d1	178	grep -v "^ " cat \| grep -v "^$(test_oid header) " >cat.commit &&
8e92c2cf MG	179	test_cmp show.commit commit &&
	180	test_cmp show.gpg verify.2 &&
	181	test_cmp cat.commit verify.1
	182	'
	183
247503f2	184	test_expect_success GPG 'detect fudged signature' '
526d56e0	185	git cat-file commit seventh-signed >raw &&
2f3cbcd8	186	sed -e "s/^seventh/7th forged/" raw >forged1 &&
247503f2	187	git hash-object -w -t commit forged1 >forged1.commit &&
9dd39821	188	test_must_fail git verify-commit $(cat forged1.commit) &&
247503f2 JH	189	git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
	190	grep "BAD signature from" actual1 &&
	191	! grep "Good signature from" actual1
	192	'
	193
	194	test_expect_success GPG 'detect fudged signature with NUL' '
526d56e0	195	git cat-file commit seventh-signed >raw &&
247503f2 JH	196	cat raw >forged2 &&
	197	echo Qwik \| tr "Q" "\000" >>forged2 &&
	198	git hash-object -w -t commit forged2 >forged2.commit &&
9dd39821	199	test_must_fail git verify-commit $(cat forged2.commit) &&
247503f2 JH	200	git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
	201	grep "BAD signature from" actual2 &&
	202	! grep "Good signature from" actual2
	203	'
	204
c871a1d1 JH	205	test_expect_success GPG 'amending already signed commit' '
	206	git checkout fourth-signed^0 &&
	207	git commit --amend -S --no-edit &&
8e92c2cf	208	git verify-commit HEAD &&
c871a1d1 JH	209	git show -s --show-signature HEAD >actual &&
	210	grep "Good signature from" actual &&
	211	! grep "BAD signature from" actual
	212	'
	213
06ca0f45 JK	214	test_expect_success GPG 'show good signature with custom format' '
	215	cat >expect <<-\EOF &&
	216	G
	217	13B6F51ECDDE430D
	218	C O Mitter <committer@example.com>
3daaaabe	219	73D758744BE721698EC54E8713B6F51ECDDE430D
1a550529	220	73D758744BE721698EC54E8713B6F51ECDDE430D
06ca0f45	221	EOF
1a550529	222	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual &&
06ca0f45 JK	223	test_cmp expect actual
	224	'
	225
	226	test_expect_success GPG 'show bad signature with custom format' '
	227	cat >expect <<-\EOF &&
	228	B
	229	13B6F51ECDDE430D
	230	C O Mitter <committer@example.com>
3daaaabe	231
1a550529	232
06ca0f45	233	EOF
1a550529	234	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat forged1.commit) >actual &&
06ca0f45 JK	235	test_cmp expect actual
	236	'
	237
661a1806	238	test_expect_success GPG 'show untrusted signature with custom format' '
06ca0f45 JK	239	cat >expect <<-\EOF &&
06ca0f45 JK	240	U
1e690847	241	65A0EEA02E30CAD7
06ca0f45	242	Eris Discordia <discord@example.net>
1e690847	243	F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
1a550529	244	D4BE22311AD3131E5EDA29A461092E85B7227189
06ca0f45	245	EOF
1a550529	246	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
06ca0f45 JK	247	test_cmp expect actual
	248	'
	249
54887b46 HJI	250	test_expect_success GPG 'show untrusted signature with undefined trust level' '
	251	cat >expect <<-\EOF &&
	252	undefined
	253	65A0EEA02E30CAD7
	254	Eris Discordia <discord@example.net>
	255	F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
	256	D4BE22311AD3131E5EDA29A461092E85B7227189
	257	EOF
	258	git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
	259	test_cmp expect actual
	260	'
	261
	262	test_expect_success GPG 'show untrusted signature with ultimate trust level' '
	263	cat >expect <<-\EOF &&
	264	ultimate
	265	13B6F51ECDDE430D
	266	C O Mitter <committer@example.com>
	267	73D758744BE721698EC54E8713B6F51ECDDE430D
	268	73D758744BE721698EC54E8713B6F51ECDDE430D
	269	EOF
	270	git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual &&
	271	test_cmp expect actual
	272	'
	273
661a1806 MG	274	test_expect_success GPG 'show unknown signature with custom format' '
	275	cat >expect <<-\EOF &&
	276	E
1e690847	277	65A0EEA02E30CAD7
661a1806	278
3daaaabe	279
1a550529	280
661a1806	281	EOF
1a550529	282	GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
661a1806 MG	283	test_cmp expect actual
	284	'
	285
06ca0f45 JK	286	test_expect_success GPG 'show lack of signature with custom format' '
	287	cat >expect <<-\EOF &&
	288	N
	289
	290
3daaaabe	291
1a550529	292
06ca0f45	293	EOF
1a550529	294	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" seventh-unsigned >actual &&
06ca0f45 JK	295	test_cmp expect actual
	296	'
	297
fce04c3c MJ	298	test_expect_success GPG 'log.showsignature behaves like --show-signature' '
	299	test_config log.showsignature true &&
	300	git show initial >actual &&
	301	grep "gpg: Signature made" actual &&
	302	grep "gpg: Good signature" actual
	303	'
	304
1865a647 HS	305	test_expect_success GPG 'check config gpg.format values' '
	306	test_config gpg.format openpgp &&
	307	git commit -S --amend -m "success" &&
	308	test_config gpg.format OpEnPgP &&
	309	test_must_fail git commit -S --amend -m "fail"
	310	'
	311
da6cf1b3 MG	312	test_expect_success GPG 'detect fudged commit with double signature' '
	313	sed -e "/gpgsig/,/END PGP/d" forged1 >double-base &&
	314	sed -n -e "/gpgsig/,/END PGP/p" forged1 \| \
42d4e1d1	315	sed -e "s/^$(test_oid header)//;s/^ //" \| gpg --dearmor >double-sig1.sig &&
da6cf1b3 MG	316	gpg -o double-sig2.sig -u 29472784 --detach-sign double-base &&
da6cf1b3 MG	317	cat double-sig1.sig double-sig2.sig \| gpg --enarmor >double-combined.asc &&
42d4e1d1	318	sed -e "s/^\(-.*\)ARMORED FILE/\1SIGNATURE/;1s/^/$(test_oid header) /;2,\$s/^/ /" \
da6cf1b3 MG	319	double-combined.asc > double-gpgsig &&
	320	sed -e "/committer/r double-gpgsig" double-base >double-commit &&
	321	git hash-object -w -t commit double-commit >double-commit.commit &&
	322	test_must_fail git verify-commit $(cat double-commit.commit) &&
	323	git show --pretty=short --show-signature $(cat double-commit.commit) >double-actual &&
	324	grep "BAD signature from" double-actual &&
	325	grep "Good signature from" double-actual
	326	'
	327
	328	test_expect_success GPG 'show double signature with custom format' '
	329	cat >expect <<-\EOF &&
	330	E
	331
	332
3daaaabe	333
1a550529	334
da6cf1b3	335	EOF
1a550529	336	git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat double-commit.commit) >actual &&
da6cf1b3 MG	337	test_cmp expect actual
	338	'
	339
247503f2	340	test_done