summaryrefslogtreecommitdiff
path: root/t/t4014-format-patch.sh
blob: 9c8063314688ec0c03d3fb2099379cbbf4ff2e19 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#

test_description='various format-patch tests'

. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh

test_expect_success setup '

	for i in 1 2 3 4 5 6 7 8 9 10; do echo "$i"; done >file &&
	cat file >elif &&
	git add file elif &&
	test_tick &&
	git commit -m Initial &&
	git checkout -b side &&

	for i in 1 2 5 6 A B C 7 8 9 10; do echo "$i"; done >file &&
	test_chmod +x elif &&
	test_tick &&
	git commit -m "Side changes #1" &&

	for i in D E F; do echo "$i"; done >>file &&
	git update-index file &&
	test_tick &&
	git commit -m "Side changes #2" &&
	git tag C2 &&

	for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file &&
	git update-index file &&
	test_tick &&
	git commit -m "Side changes #3 with \\n backslash-n in it." &&

	git checkout master &&
	git diff-tree -p C2 | git apply --index &&
	test_tick &&
	git commit -m "Master accepts moral equivalent of #2"

'

test_expect_success "format-patch --ignore-if-in-upstream" '

	git format-patch --stdout master..side >patch0 &&
	cnt=`grep "^From " patch0 | wc -l` &&
	test $cnt = 3

'

test_expect_success "format-patch --ignore-if-in-upstream" '

	git format-patch --stdout \
		--ignore-if-in-upstream master..side >patch1 &&
	cnt=`grep "^From " patch1 | wc -l` &&
	test $cnt = 2

'

test_expect_success "format-patch doesn't consider merge commits" '

	git checkout -b slave master &&
	echo "Another line" >>file &&
	test_tick &&
	git commit -am "Slave change #1" &&
	echo "Yet another line" >>file &&
	test_tick &&
	git commit -am "Slave change #2" &&
	git checkout -b merger master &&
	test_tick &&
	git merge --no-ff slave &&
	cnt=`git format-patch -3 --stdout | grep "^From " | wc -l` &&
	test $cnt = 3
'

test_expect_success "format-patch result applies" '

	git checkout -b rebuild-0 master &&
	git am -3 patch0 &&
	cnt=`git rev-list master.. | wc -l` &&
	test $cnt = 2
'

test_expect_success "format-patch --ignore-if-in-upstream result applies" '

	git checkout -b rebuild-1 master &&
	git am -3 patch1 &&
	cnt=`git rev-list master.. | wc -l` &&
	test $cnt = 2
'

test_expect_success 'commit did not screw up the log message' '

	git cat-file commit side | grep "^Side .* with .* backslash-n"

'

test_expect_success 'format-patch did not screw up the log message' '

	grep "^Subject: .*Side changes #3 with .* backslash-n" patch0 &&
	grep "^Subject: .*Side changes #3 with .* backslash-n" patch1

'

test_expect_success 'replay did not screw up the log message' '

	git cat-file commit rebuild-1 | grep "^Side .* with .* backslash-n"

'

test_expect_success 'extra headers' '

	git config format.headers "To: R E Cipient <rcipient@example.com>
" &&
	git config --add format.headers "Cc: S E Cipient <scipient@example.com>
" &&
	git format-patch --stdout master..side > patch2 &&
	sed -e "/^\$/q" patch2 > hdrs2 &&
	grep "^To: R E Cipient <rcipient@example.com>\$" hdrs2 &&
	grep "^Cc: S E Cipient <scipient@example.com>\$" hdrs2

'

test_expect_success 'extra headers without newlines' '

	git config --replace-all format.headers "To: R E Cipient <rcipient@example.com>" &&
	git config --add format.headers "Cc: S E Cipient <scipient@example.com>" &&
	git format-patch --stdout master..side >patch3 &&
	sed -e "/^\$/q" patch3 > hdrs3 &&
	grep "^To: R E Cipient <rcipient@example.com>\$" hdrs3 &&
	grep "^Cc: S E Cipient <scipient@example.com>\$" hdrs3

'

test_expect_success 'extra headers with multiple To:s' '

	git config --replace-all format.headers "To: R E Cipient <rcipient@example.com>" &&
	git config --add format.headers "To: S E Cipient <scipient@example.com>" &&
	git format-patch --stdout master..side > patch4 &&
	sed -e "/^\$/q" patch4 > hdrs4 &&
	grep "^To: R E Cipient <rcipient@example.com>,\$" hdrs4 &&
	grep "^ *S E Cipient <scipient@example.com>\$" hdrs4
'

test_expect_success 'additional command line cc (ascii)' '

	git config --replace-all format.headers "Cc: R E Cipient <rcipient@example.com>" &&
	git format-patch --cc="S E Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch5 &&
	grep "^Cc: R E Cipient <rcipient@example.com>,\$" patch5 &&
	grep "^ *S E Cipient <scipient@example.com>\$" patch5
'

test_expect_failure 'additional command line cc (rfc822)' '

	git config --replace-all format.headers "Cc: R E Cipient <rcipient@example.com>" &&
	git format-patch --cc="S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch5 &&
	grep "^Cc: R E Cipient <rcipient@example.com>,\$" patch5 &&
	grep "^ *\"S. E. Cipient\" <scipient@example.com>\$" patch5
'

test_expect_success 'command line headers' '

	git config --unset-all format.headers &&
	git format-patch --add-header="Cc: R E Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch6 &&
	grep "^Cc: R E Cipient <rcipient@example.com>\$" patch6
'

test_expect_success 'configuration headers and command line headers' '

	git config --replace-all format.headers "Cc: R E Cipient <rcipient@example.com>" &&
	git format-patch --add-header="Cc: S E Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch7 &&
	grep "^Cc: R E Cipient <rcipient@example.com>,\$" patch7 &&
	grep "^ *S E Cipient <scipient@example.com>\$" patch7
'

test_expect_success 'command line To: header (ascii)' '

	git config --unset-all format.headers &&
	git format-patch --to="R E Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch8 &&
	grep "^To: R E Cipient <rcipient@example.com>\$" patch8
'

test_expect_failure 'command line To: header (rfc822)' '

	git format-patch --to="R. E. Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch8 &&
	grep "^To: \"R. E. Cipient\" <rcipient@example.com>\$" patch8
'

test_expect_failure 'command line To: header (rfc2047)' '

	git format-patch --to="R Ä Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch8 &&
	grep "^To: =?UTF-8?q?R=20=C3=84=20Cipient?= <rcipient@example.com>\$" patch8
'

test_expect_success 'configuration To: header (ascii)' '

	git config format.to "R E Cipient <rcipient@example.com>" &&
	git format-patch --stdout master..side | sed -e "/^\$/q" >patch9 &&
	grep "^To: R E Cipient <rcipient@example.com>\$" patch9
'

test_expect_failure 'configuration To: header (rfc822)' '

	git config format.to "R. E. Cipient <rcipient@example.com>" &&
	git format-patch --stdout master..side | sed -e "/^\$/q" >patch9 &&
	grep "^To: \"R. E. Cipient\" <rcipient@example.com>\$" patch9
'

test_expect_failure 'configuration To: header (rfc2047)' '

	git config format.to "R Ä Cipient <rcipient@example.com>" &&
	git format-patch --stdout master..side | sed -e "/^\$/q" >patch9 &&
	grep "^To: =?UTF-8?q?R=20=C3=84=20Cipient?= <rcipient@example.com>\$" patch9
'

# check_patch <patch>: Verify that <patch> looks like a half-sane
# patch email to avoid a false positive with !grep
check_patch () {
	grep -e "^From:" "$1" &&
	grep -e "^Date:" "$1" &&
	grep -e "^Subject:" "$1"
}

test_expect_success '--no-to overrides config.to' '

	git config --replace-all format.to \
		"R E Cipient <rcipient@example.com>" &&
	git format-patch --no-to --stdout master..side |
	sed -e "/^\$/q" >patch10 &&
	check_patch patch10 &&
	! grep "^To: R E Cipient <rcipient@example.com>\$" patch10
'

test_expect_success '--no-to and --to replaces config.to' '

	git config --replace-all format.to \
		"Someone <someone@out.there>" &&
	git format-patch --no-to --to="Someone Else <else@out.there>" \
		--stdout master..side |
	sed -e "/^\$/q" >patch11 &&
	check_patch patch11 &&
	! grep "^To: Someone <someone@out.there>\$" patch11 &&
	grep "^To: Someone Else <else@out.there>\$" patch11
'

test_expect_success '--no-cc overrides config.cc' '

	git config --replace-all format.cc \
		"C E Cipient <rcipient@example.com>" &&
	git format-patch --no-cc --stdout master..side |
	sed -e "/^\$/q" >patch12 &&
	check_patch patch12 &&
	! grep "^Cc: C E Cipient <rcipient@example.com>\$" patch12
'

test_expect_success '--no-add-header overrides config.headers' '

	git config --replace-all format.headers \
		"Header1: B E Cipient <rcipient@example.com>" &&
	git format-patch --no-add-header --stdout master..side |
	sed -e "/^\$/q" >patch13 &&
	check_patch patch13 &&
	! grep "^Header1: B E Cipient <rcipient@example.com>\$" patch13
'

test_expect_success 'multiple files' '

	rm -rf patches/ &&
	git checkout side &&
	git format-patch -o patches/ master &&
	ls patches/0001-Side-changes-1.patch patches/0002-Side-changes-2.patch patches/0003-Side-changes-3-with-n-backslash-n-in-it.patch
'

test_expect_success 'reroll count' '
	rm -fr patches &&
	git format-patch -o patches --cover-letter --reroll-count 4 master..side >list &&
	! grep -v "^patches/v4-000[0-3]-" list &&
	sed -n -e "/^Subject: /p" $(cat list) >subjects &&
	! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
'

test_expect_success 'reroll count (-v)' '
	rm -fr patches &&
	git format-patch -o patches --cover-letter -v4 master..side >list &&
	! grep -v "^patches/v4-000[0-3]-" list &&
	sed -n -e "/^Subject: /p" $(cat list) >subjects &&
	! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
'

check_threading () {
	expect="$1" &&
	shift &&
	(git format-patch --stdout "$@"; echo $? > status.out) |
	# Prints everything between the Message-ID and In-Reply-To,
	# and replaces all Message-ID-lookalikes by a sequence number
	perl -ne '
		if (/^(message-id|references|in-reply-to)/i) {
			$printing = 1;
		} elsif (/^\S/) {
			$printing = 0;
		}
		if ($printing) {
			$h{$1}=$i++ if (/<([^>]+)>/ and !exists $h{$1});
			for $k (keys %h) {s/$k/$h{$k}/};
			print;
		}
		print "---\n" if /^From /i;
	' > actual &&
	test 0 = "$(cat status.out)" &&
	test_cmp "$expect" actual
}

cat >> expect.no-threading <<EOF
---
---
---
EOF

test_expect_success 'no threading' '
	git checkout side &&
	check_threading expect.no-threading master
'

cat > expect.thread <<EOF
---
Message-Id: <0>
---
Message-Id: <1>
In-Reply-To: <0>
References: <0>
---
Message-Id: <2>
In-Reply-To: <0>
References: <0>
EOF

test_expect_success 'thread' '
	check_threading expect.thread --thread master
'

cat > expect.in-reply-to <<EOF
---
Message-Id: <0>
In-Reply-To: <1>
References: <1>
---
Message-Id: <2>
In-Reply-To: <1>
References: <1>
---
Message-Id: <3>
In-Reply-To: <1>
References: <1>
EOF

test_expect_success 'thread in-reply-to' '
	check_threading expect.in-reply-to --in-reply-to="<test.message>" \
		--thread master
'

cat > expect.cover-letter <<EOF
---
Message-Id: <0>
---
Message-Id: <1>
In-Reply-To: <0>
References: <0>
---
Message-Id: <2>
In-Reply-To: <0>
References: <0>
---
Message-Id: <3>
In-Reply-To: <0>
References: <0>
EOF

test_expect_success 'thread cover-letter' '
	check_threading expect.cover-letter --cover-letter --thread master
'

cat > expect.cl-irt <<EOF
---
Message-Id: <0>
In-Reply-To: <1>
References: <1>
---
Message-Id: <2>
In-Reply-To: <0>
References: <1>
	<0>
---
Message-Id: <3>
In-Reply-To: <0>
References: <1>
	<0>
---
Message-Id: <4>
In-Reply-To: <0>
References: <1>
	<0>
EOF

test_expect_success 'thread cover-letter in-reply-to' '
	check_threading expect.cl-irt --cover-letter \
		--in-reply-to="<test.message>" --thread master
'

test_expect_success 'thread explicit shallow' '
	check_threading expect.cl-irt --cover-letter \
		--in-reply-to="<test.message>" --thread=shallow master
'

cat > expect.deep <<EOF
---
Message-Id: <0>
---
Message-Id: <1>
In-Reply-To: <0>
References: <0>
---
Message-Id: <2>
In-Reply-To: <1>
References: <0>
	<1>
EOF

test_expect_success 'thread deep' '
	check_threading expect.deep --thread=deep master
'

cat > expect.deep-irt <<EOF
---
Message-Id: <0>
In-Reply-To: <1>
References: <1>
---
Message-Id: <2>
In-Reply-To: <0>
References: <1>
	<0>
---
Message-Id: <3>
In-Reply-To: <2>
References: <1>
	<0>
	<2>
EOF

test_expect_success 'thread deep in-reply-to' '
	check_threading expect.deep-irt  --thread=deep \
		--in-reply-to="<test.message>" master
'

cat > expect.deep-cl <<EOF
---
Message-Id: <0>
---
Message-Id: <1>
In-Reply-To: <0>
References: <0>
---
Message-Id: <2>
In-Reply-To: <1>
References: <0>
	<1>
---
Message-Id: <3>
In-Reply-To: <2>
References: <0>
	<1>
	<2>
EOF

test_expect_success 'thread deep cover-letter' '
	check_threading expect.deep-cl --cover-letter --thread=deep master
'

cat > expect.deep-cl-irt <<EOF
---
Message-Id: <0>
In-Reply-To: <1>
References: <1>
---
Message-Id: <2>
In-Reply-To: <0>
References: <1>
	<0>
---
Message-Id: <3>
In-Reply-To: <2>
References: <1>
	<0>
	<2>
---
Message-Id: <4>
In-Reply-To: <3>
References: <1>
	<0>
	<2>
	<3>
EOF

test_expect_success 'thread deep cover-letter in-reply-to' '
	check_threading expect.deep-cl-irt --cover-letter \
		--in-reply-to="<test.message>" --thread=deep master
'

test_expect_success 'thread via config' '
	test_config format.thread true &&
	check_threading expect.thread master
'

test_expect_success 'thread deep via config' '
	test_config format.thread deep &&
	check_threading expect.deep master
'

test_expect_success 'thread config + override' '
	test_config format.thread deep &&
	check_threading expect.thread --thread master
'

test_expect_success 'thread config + --no-thread' '
	test_config format.thread deep &&
	check_threading expect.no-threading --no-thread master
'

test_expect_success 'excessive subject' '

	rm -rf patches/ &&
	git checkout side &&
	for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >>file &&
	git update-index file &&
	git commit -m "This is an excessively long subject line for a message due to the habit some projects have of not having a short, one-line subject at the start of the commit message, but rather sticking a whole paragraph right at the start as the only thing in the commit message. It had better not become the filename for the patch." &&
	git format-patch -o patches/ master..side &&
	ls patches/0004-This-is-an-excessively-long-subject-line-for-a-messa.patch
'

test_expect_success 'cover-letter inherits diff options' '

	git mv file foo &&
	git commit -m foo &&
	git format-patch --cover-letter -1 &&
	check_patch 0000-cover-letter.patch &&
	! grep "file => foo .* 0 *\$" 0000-cover-letter.patch &&
	git format-patch --cover-letter -1 -M &&
	grep "file => foo .* 0 *\$" 0000-cover-letter.patch

'

cat > expect << EOF
  This is an excessively long subject line for a message due to the
    habit some projects have of not having a short, one-line subject at
    the start of the commit message, but rather sticking a whole
    paragraph right at the start as the only thing in the commit
    message. It had better not become the filename for the patch.
  foo

EOF

test_expect_success 'shortlog of cover-letter wraps overly-long onelines' '

	git format-patch --cover-letter -2 &&
	sed -e "1,/A U Thor/d" -e "/^\$/q" < 0000-cover-letter.patch > output &&
	test_cmp expect output

'

cat > expect << EOF
index 40f36c6..2dc5c23 100644
--- a/file
+++ b/file
@@ -13,4 +13,20 @@ C
 10
 D
 E
 F
+5
EOF

test_expect_success 'format-patch respects -U' '

	git format-patch -U4 -2 &&
	sed -e "1,/^diff/d" -e "/^+5/q" \
		<0001-This-is-an-excessively-long-subject-line-for-a-messa.patch \
		>output &&
	test_cmp expect output

'

cat > expect << EOF

diff --git a/file b/file
index 40f36c6..2dc5c23 100644
--- a/file
+++ b/file
@@ -14,3 +14,19 @@ C
 D
 E
 F
+5
EOF

test_expect_success 'format-patch -p suppresses stat' '

	git format-patch -p -2 &&
	sed -e "1,/^\$/d" -e "/^+5/q" < 0001-This-is-an-excessively-long-subject-line-for-a-messa.patch > output &&
	test_cmp expect output

'

test_expect_success 'format-patch from a subdirectory (1)' '
	filename=$(
		rm -rf sub &&
		mkdir -p sub/dir &&
		cd sub/dir &&
		git format-patch -1
	) &&
	case "$filename" in
	0*)
		;; # ok
	*)
		echo "Oops? $filename"
		false
		;;
	esac &&
	test -f "$filename"
'

test_expect_success 'format-patch from a subdirectory (2)' '
	filename=$(
		rm -rf sub &&
		mkdir -p sub/dir &&
		cd sub/dir &&
		git format-patch -1 -o ..
	) &&
	case "$filename" in
	../0*)
		;; # ok
	*)
		echo "Oops? $filename"
		false
		;;
	esac &&
	basename=$(expr "$filename" : ".*/\(.*\)") &&
	test -f "sub/$basename"
'

test_expect_success 'format-patch from a subdirectory (3)' '
	rm -f 0* &&
	filename=$(
		rm -rf sub &&
		mkdir -p sub/dir &&
		cd sub/dir &&
		git format-patch -1 -o "$TRASH_DIRECTORY"
	) &&
	basename=$(expr "$filename" : ".*/\(.*\)") &&
	test -f "$basename"
'

test_expect_success 'format-patch --in-reply-to' '
	git format-patch -1 --stdout --in-reply-to "baz@foo.bar" > patch8 &&
	grep "^In-Reply-To: <baz@foo.bar>" patch8 &&
	grep "^References: <baz@foo.bar>" patch8
'

test_expect_success 'format-patch --signoff' '
	git format-patch -1 --signoff --stdout >out &&
	grep "^Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" out
'

test_expect_success 'format-patch --notes --signoff' '
	git notes --ref test add -m "test message" HEAD &&
	git format-patch -1 --signoff --stdout --notes=test >out &&
	# Three dashes must come after S-o-b
	! sed "/^Signed-off-by: /q" out | grep "test message" &&
	sed "1,/^Signed-off-by: /d" out | grep "test message" &&
	# Notes message must come after three dashes
	! sed "/^---$/q" out | grep "test message" &&
	sed "1,/^---$/d" out | grep "test message"
'

echo "fatal: --name-only does not make sense" > expect.name-only
echo "fatal: --name-status does not make sense" > expect.name-status
echo "fatal: --check does not make sense" > expect.check

test_expect_success 'options no longer allowed for format-patch' '
	test_must_fail git format-patch --name-only 2> output &&
	test_i18ncmp expect.name-only output &&
	test_must_fail git format-patch --name-status 2> output &&
	test_i18ncmp expect.name-status output &&
	test_must_fail git format-patch --check 2> output &&
	test_i18ncmp expect.check output'

test_expect_success 'format-patch --numstat should produce a patch' '
	git format-patch --numstat --stdout master..side > output &&
	test 6 = $(grep "^diff --git a/" output | wc -l)'

test_expect_success 'format-patch -- <path>' '
	git format-patch master..side -- file 2>error &&
	! grep "Use .--" error
'

test_expect_success 'format-patch --ignore-if-in-upstream HEAD' '
	git format-patch --ignore-if-in-upstream HEAD
'

test_expect_success 'format-patch --signature' '
	git format-patch --stdout --signature="my sig" -1 >output &&
	grep "my sig" output
'

test_expect_success 'format-patch with format.signature config' '
	git config format.signature "config sig" &&
	git format-patch --stdout -1 >output &&
	grep "config sig" output
'

test_expect_success 'format-patch --signature overrides format.signature' '
	git config format.signature "config sig" &&
	git format-patch --stdout --signature="overrides" -1 >output &&
	! grep "config sig" output &&
	grep "overrides" output
'

test_expect_success 'format-patch --no-signature ignores format.signature' '
	git config format.signature "config sig" &&
	git format-patch --stdout --signature="my sig" --no-signature \
		-1 >output &&
	check_patch output &&
	! grep "config sig" output &&
	! grep "my sig" output &&
	! grep "^-- \$" output
'

test_expect_success 'format-patch --signature --cover-letter' '
	git config --unset-all format.signature &&
	git format-patch --stdout --signature="my sig" --cover-letter \
		-1 >output &&
	grep "my sig" output &&
	test 2 = $(grep "my sig" output | wc -l)
'

test_expect_success 'format.signature="" suppresses signatures' '
	git config format.signature "" &&
	git format-patch --stdout -1 >output &&
	check_patch output &&
	! grep "^-- \$" output
'

test_expect_success 'format-patch --no-signature suppresses signatures' '
	git config --unset-all format.signature &&
	git format-patch --stdout --no-signature -1 >output &&
	check_patch output &&
	! grep "^-- \$" output
'

test_expect_success 'format-patch --signature="" suppresses signatures' '
	git format-patch --stdout --signature="" -1 >output &&
	check_patch output &&
	! grep "^-- \$" output
'

test_expect_success TTY 'format-patch --stdout paginates' '
	rm -f pager_used &&
	test_terminal env GIT_PAGER="wc >pager_used" git format-patch --stdout --all &&
	test_path_is_file pager_used
'

 test_expect_success TTY 'format-patch --stdout pagination can be disabled' '
	rm -f pager_used &&
	test_terminal env GIT_PAGER="wc >pager_used" git --no-pager format-patch --stdout --all &&
	test_terminal env GIT_PAGER="wc >pager_used" git -c "pager.format-patch=false" format-patch --stdout --all &&
	test_path_is_missing pager_used &&
	test_path_is_missing .git/pager_used
'

test_expect_success 'format-patch handles multi-line subjects' '
	rm -rf patches/ &&
	echo content >>file &&
	for i in one two three; do echo $i; done >msg &&
	git add file &&
	git commit -F msg &&
	git format-patch -o patches -1 &&
	grep ^Subject: patches/0001-one.patch >actual &&
	echo "Subject: [PATCH] one two three" >expect &&
	test_cmp expect actual
'

test_expect_success 'format-patch handles multi-line encoded subjects' '
	rm -rf patches/ &&
	echo content >>file &&
	for i in en två tre; do echo $i; done >msg &&
	git add file &&
	git commit -F msg &&
	git format-patch -o patches -1 &&
	grep ^Subject: patches/0001-en.patch >actual &&
	echo "Subject: [PATCH] =?UTF-8?q?en=20tv=C3=A5=20tre?=" >expect &&
	test_cmp expect actual
'

M8="foo bar "
M64=$M8$M8$M8$M8$M8$M8$M8$M8
M512=$M64$M64$M64$M64$M64$M64$M64$M64
cat >expect <<'EOF'
Subject: [PATCH] foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
EOF
test_expect_success 'format-patch wraps extremely long subject (ascii)' '
	echo content >>file &&
	git add file &&
	git commit -m "$M512" &&
	git format-patch --stdout -1 >patch &&
	sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
	test_cmp expect subject
'

M8="föö bar "
M64=$M8$M8$M8$M8$M8$M8$M8$M8
M512=$M64$M64$M64$M64$M64$M64$M64$M64
cat >expect <<'EOF'
Subject: [PATCH] =?UTF-8?q?f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f?=
 =?UTF-8?q?=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 =?UTF-8?q?=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20?=
 =?UTF-8?q?bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6?=
 =?UTF-8?q?=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f?=
 =?UTF-8?q?=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 =?UTF-8?q?=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20?=
 =?UTF-8?q?bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6?=
 =?UTF-8?q?=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f?=
 =?UTF-8?q?=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 =?UTF-8?q?=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20?=
 =?UTF-8?q?bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6?=
 =?UTF-8?q?=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f?=
 =?UTF-8?q?=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 =?UTF-8?q?=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20?=
 =?UTF-8?q?bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6?=
 =?UTF-8?q?=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f?=
 =?UTF-8?q?=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 =?UTF-8?q?=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20?=
 =?UTF-8?q?bar?=
EOF
test_expect_success 'format-patch wraps extremely long subject (rfc2047)' '
	rm -rf patches/ &&
	echo content >>file &&
	git add file &&
	git commit -m "$M512" &&
	git format-patch --stdout -1 >patch &&
	sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
	test_cmp expect subject
'

check_author() {
	echo content >>file &&
	git add file &&
	GIT_AUTHOR_NAME=$1 git commit -m author-check &&
	git format-patch --stdout -1 >patch &&
	sed -n "/^From: /p; /^ /p; /^$/q" <patch >actual &&
	test_cmp expect actual
}

cat >expect <<'EOF'
From: "Foo B. Bar" <author@example.com>
EOF
test_expect_success 'format-patch quotes dot in from-headers' '
	check_author "Foo B. Bar"
'

cat >expect <<'EOF'
From: "Foo \"The Baz\" Bar" <author@example.com>
EOF
test_expect_success 'format-patch quotes double-quote in from-headers' '
	check_author "Foo \"The Baz\" Bar"
'

cat >expect <<'EOF'
From: =?UTF-8?q?F=C3=B6o=20Bar?= <author@example.com>
EOF
test_expect_success 'format-patch uses rfc2047-encoded from-headers when necessary' '
	check_author "Föo Bar"
'

cat >expect <<'EOF'
From: =?UTF-8?q?F=C3=B6o=20B=2E=20Bar?= <author@example.com>
EOF
test_expect_success 'rfc2047-encoded from-headers leave no rfc822 specials' '
	check_author "Föo B. Bar"
'

cat >expect <<EOF
From: foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_
 <author@example.com>
EOF
test_expect_success 'format-patch wraps moderately long from-header (ascii)' '
	check_author "foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_foo_bar_"
'

cat >expect <<'EOF'
From: Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar
 Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo
 Bar Foo Bar Foo Bar Foo Bar <author@example.com>
EOF
test_expect_success 'format-patch wraps extremely long from-header (ascii)' '
	check_author "Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar"
'

cat >expect <<'EOF'
From: "Foo.Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar
 Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo
 Bar Foo Bar Foo Bar Foo Bar" <author@example.com>
EOF
test_expect_success 'format-patch wraps extremely long from-header (rfc822)' '
	check_author "Foo.Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar"
'

cat >expect <<'EOF'
From: =?UTF-8?q?Fo=C3=B6=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo?=
 =?UTF-8?q?=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20?=
 =?UTF-8?q?Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar?=
 =?UTF-8?q?=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20Foo=20Bar=20?=
 =?UTF-8?q?Foo=20Bar=20Foo=20Bar?= <author@example.com>
EOF
test_expect_success 'format-patch wraps extremely long from-header (rfc2047)' '
	check_author "Foö Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar Foo Bar"
'

cat >expect <<'EOF'
Subject: header with . in it
EOF
test_expect_success 'subject lines do not have 822 atom-quoting' '
	echo content >>file &&
	git add file &&
	git commit -m "header with . in it" &&
	git format-patch -k -1 --stdout >patch &&
	grep ^Subject: patch >actual &&
	test_cmp expect actual
'

cat >expect <<'EOF'
Subject: [PREFIX 1/1] header with . in it
EOF
test_expect_success 'subject prefixes have space prepended' '
	git format-patch -n -1 --stdout --subject-prefix=PREFIX >patch &&
	grep ^Subject: patch >actual &&
	test_cmp expect actual
'

cat >expect <<'EOF'
Subject: [1/1] header with . in it
EOF
test_expect_success 'empty subject prefix does not have extra space' '
	git format-patch -n -1 --stdout --subject-prefix= >patch &&
	grep ^Subject: patch >actual &&
	test_cmp expect actual
'

test_expect_success '--from=ident notices bogus ident' '
	test_must_fail git format-patch -1 --stdout --from=foo >patch
'

test_expect_success '--from=ident replaces author' '
	git format-patch -1 --stdout --from="Me <me@example.com>" >patch &&
	cat >expect <<-\EOF &&
	From: Me <me@example.com>

	From: A U Thor <author@example.com>

	EOF
	sed -ne "/^From:/p; /^$/p; /^---$/q" <patch >patch.head &&
	test_cmp expect patch.head
'

test_expect_success '--from uses committer ident' '
	git format-patch -1 --stdout --from >patch &&
	cat >expect <<-\EOF &&
	From: C O Mitter <committer@example.com>

	From: A U Thor <author@example.com>

	EOF
	sed -ne "/^From:/p; /^$/p; /^---$/q" <patch >patch.head &&
	test_cmp expect patch.head
'

test_expect_success '--from omits redundant in-body header' '
	git format-patch -1 --stdout --from="A U Thor <author@example.com>" >patch &&
	cat >expect <<-\EOF &&
	From: A U Thor <author@example.com>

	EOF
	sed -ne "/^From:/p; /^$/p; /^---$/q" <patch >patch.head &&
	test_cmp expect patch.head
'

test_expect_success 'in-body headers trigger content encoding' '
	GIT_AUTHOR_NAME="éxötìc" test_commit exotic &&
	test_when_finished "git reset --hard HEAD^" &&
	git format-patch -1 --stdout --from >patch &&
	cat >expect <<-\EOF &&
	From: C O Mitter <committer@example.com>
	Content-Type: text/plain; charset=UTF-8

	From: éxötìc <author@example.com>

	EOF
	sed -ne "/^From:/p; /^$/p; /^Content-Type/p; /^---$/q" <patch >patch.head &&
	test_cmp expect patch.head
'

append_signoff()
{
	C=$(git commit-tree HEAD^^{tree} -p HEAD) &&
	git format-patch --stdout --signoff $C^..$C >append_signoff.patch &&
	sed -n -e "1,/^---$/p" append_signoff.patch |
		egrep -n "^Subject|Sign|^$"
}

test_expect_success 'signoff: commit with no body' '
	append_signoff </dev/null >actual &&
	cat <<\EOF | sed "s/EOL$//" >expected &&
4:Subject: [PATCH] EOL
8:
9:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: commit with only subject' '
	echo subject | append_signoff >actual &&
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
9:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: commit with only subject that does not end with NL' '
	printf subject | append_signoff >actual &&
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
9:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: no existing signoffs' '
	append_signoff <<\EOF >actual &&
subject

body
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: no existing signoffs and no trailing NL' '
	printf "subject\n\nbody" | append_signoff >actual &&
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: some random signoff' '
	append_signoff <<\EOF >actual &&
subject

body

Signed-off-by: my@house
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: my@house
12:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: misc conforming footer elements' '
	append_signoff <<\EOF >actual &&
subject

body

Signed-off-by: my@house
(cherry picked from commit da39a3ee5e6b4b0d3255bfef95601890afd80709)
Tested-by: Some One <someone@example.com>
Bug: 1234
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: my@house
15:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: some random signoff-alike' '
	append_signoff <<\EOF >actual &&
subject

body
Fooled-by-me: my@house
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
11:
12:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: not really a signoff' '
	append_signoff <<\EOF >actual &&
subject

I want to mention about Signed-off-by: here.
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
9:I want to mention about Signed-off-by: here.
10:
11:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: not really a signoff (2)' '
	append_signoff <<\EOF >actual &&
subject

My unfortunate
Signed-off-by: example happens to be wrapped here.
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:Signed-off-by: example happens to be wrapped here.
11:
12:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: valid S-o-b paragraph in the middle' '
	append_signoff <<\EOF >actual &&
subject

Signed-off-by: my@house
Signed-off-by: your@house

A lot of houses.
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
9:Signed-off-by: my@house
10:Signed-off-by: your@house
11:
13:
14:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: the same signoff at the end' '
	append_signoff <<\EOF >actual &&
subject

body

Signed-off-by: C O Mitter <committer@example.com>
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: the same signoff at the end, no trailing NL' '
	printf "subject\n\nSigned-off-by: C O Mitter <committer@example.com>" |
		append_signoff >actual &&
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
9:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: the same signoff NOT at the end' '
	append_signoff <<\EOF >actual &&
subject

body

Signed-off-by: C O Mitter <committer@example.com>
Signed-off-by: my@house
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
11:Signed-off-by: C O Mitter <committer@example.com>
12:Signed-off-by: my@house
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: detect garbage in non-conforming footer' '
	append_signoff <<\EOF >actual &&
subject

body

Tested-by: my@house
Some Trash
Signed-off-by: C O Mitter <committer@example.com>
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
13:Signed-off-by: C O Mitter <committer@example.com>
14:
15:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'signoff: footer begins with non-signoff without @ sign' '
	append_signoff <<\EOF >actual &&
subject

body

Reviewed-id: Noone
Tested-by: my@house
Change-id: Ideadbeef
Signed-off-by: C O Mitter <committer@example.com>
Bug: 1234
EOF
	cat >expected <<\EOF &&
4:Subject: [PATCH] subject
8:
10:
14:Signed-off-by: C O Mitter <committer@example.com>
EOF
	test_cmp expected actual
'

test_expect_success 'format patch ignores color.ui' '
	test_unconfig color.ui &&
	git format-patch --stdout -1 >expect &&
	test_config color.ui always &&
	git format-patch --stdout -1 >actual &&
	test_cmp expect actual
'

test_expect_success 'cover letter using branch description (1)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter master >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter using branch description (2)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter rebuild-1~2..rebuild-1 >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter using branch description (3)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter ^master rebuild-1 >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter using branch description (4)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter master.. >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter using branch description (5)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter -2 HEAD >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter using branch description (6)' '
	git checkout rebuild-1 &&
	test_config branch.rebuild-1.description hello &&
	git format-patch --stdout --cover-letter -2 >actual &&
	grep hello actual >/dev/null
'

test_expect_success 'cover letter with nothing' '
	git format-patch --stdout --cover-letter >actual &&
	test_line_count = 0 actual
'

test_expect_success 'cover letter auto' '
	mkdir -p tmp &&
	test_when_finished "rm -rf tmp;
		git config --unset format.coverletter" &&

	git config format.coverletter auto &&
	git format-patch -o tmp -1 >list &&
	test_line_count = 1 list &&
	git format-patch -o tmp -2 >list &&
	test_line_count = 3 list
'

test_expect_success 'cover letter auto user override' '
	mkdir -p tmp &&
	test_when_finished "rm -rf tmp;
		git config --unset format.coverletter" &&

	git config format.coverletter auto &&
	git format-patch -o tmp --cover-letter -1 >list &&
	test_line_count = 2 list &&
	git format-patch -o tmp --cover-letter -2 >list &&
	test_line_count = 3 list &&
	git format-patch -o tmp --no-cover-letter -1 >list &&
	test_line_count = 1 list &&
	git format-patch -o tmp --no-cover-letter -2 >list &&
	test_line_count = 2 list
'

test_done