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

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