t/t4014-format-patch.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Junio C Hamano
   4 #
   5
   6 test_description='various format-patch tests'
   7
   8 . ./test-lib.sh
   9 . "$TEST_DIRECTORY"/lib-terminal.sh
  10
  11 test_expect_success setup '
  12
  13         for i in 1 2 3 4 5 6 7 8 9 10; do echo "$i"; done >file &&
  14         cat file >elif &&
  15         git add file elif &&
  16         test_tick &&
  17         git commit -m Initial &&
  18         git checkout -b side &&
  19
  20         for i in 1 2 5 6 A B C 7 8 9 10; do echo "$i"; done >file &&
  21         test_chmod +x elif &&
  22         test_tick &&
  23         git commit -m "Side changes #1" &&
  24
  25         for i in D E F; do echo "$i"; done >>file &&
  26         git update-index file &&
  27         test_tick &&
  28         git commit -m "Side changes #2" &&
  29         git tag C2 &&
  30
  31         for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file &&
  32         git update-index file &&
  33         test_tick &&
  34         git commit -m "Side changes #3 with \\n backslash-n in it." &&
  35
  36         git checkout master &&
  37         git diff-tree -p C2 | git apply --index &&
  38         test_tick &&
  39         git commit -m "Master accepts moral equivalent of #2"
  40
  41 '
  42
  43 test_expect_success "format-patch --ignore-if-in-upstream" '
  44
  45         git format-patch --stdout master..side >patch0 &&
  46         cnt=`grep "^From " patch0 | wc -l` &&
  47         test $cnt = 3
  48
  49 '
  50
  51 test_expect_success "format-patch --ignore-if-in-upstream" '
  52
  53         git format-patch --stdout \
  54                 --ignore-if-in-upstream master..side >patch1 &&
  55         cnt=`grep "^From " patch1 | wc -l` &&
  56         test $cnt = 2
  57
  58 '
  59
  60 test_expect_success "format-patch doesn't consider merge commits" '
  61
  62         git checkout -b slave master &&
  63         echo "Another line" >>file &&
  64         test_tick &&
  65         git commit -am "Slave change #1" &&
  66         echo "Yet another line" >>file &&
  67         test_tick &&
  68         git commit -am "Slave change #2" &&
  69         git checkout -b merger master &&
  70         test_tick &&
  71         git merge --no-ff slave &&
  72         cnt=`git format-patch -3 --stdout | grep "^From " | wc -l` &&
  73         test $cnt = 3
  74 '
  75
  76 test_expect_success "format-patch result applies" '
  77
  78         git checkout -b rebuild-0 master &&
  79         git am -3 patch0 &&
  80         cnt=`git rev-list master.. | wc -l` &&
  81         test $cnt = 2
  82 '
  83
  84 test_expect_success "format-patch --ignore-if-in-upstream result applies" '
  85
  86         git checkout -b rebuild-1 master &&
  87         git am -3 patch1 &&
  88         cnt=`git rev-list master.. | wc -l` &&
  89         test $cnt = 2
  90 '
  91
  92 test_expect_success 'commit did not screw up the log message' '
  93
  94         git cat-file commit side | grep "^Side .* with .* backslash-n"
  95
  96 '
  97
  98 test_expect_success 'format-patch did not screw up the log message' '
  99
 100         grep "^Subject: .*Side changes #3 with .* backslash-n" patch0 &&
 101         grep "^Subject: .*Side changes #3 with .* backslash-n" patch1
 102
 103 '
 104
 105 test_expect_success 'replay did not screw up the log message' '
 106
 107         git cat-file commit rebuild-1 | grep "^Side .* with .* backslash-n"
 108
 109 '
 110
 111 test_expect_success 'extra headers' '
 112
 113         git config format.headers "To: R. E. Cipient <rcipient@example.com>
 114 " &&
 115         git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>
 116 " &&
 117         git format-patch --stdout master..side > patch2 &&
 118         sed -e "/^\$/q" patch2 > hdrs2 &&
 119         grep "^To: R. E. Cipient <rcipient@example.com>\$" hdrs2 &&
 120         grep "^Cc: S. E. Cipient <scipient@example.com>\$" hdrs2
 121
 122 '
 123
 124 test_expect_success 'extra headers without newlines' '
 125
 126         git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
 127         git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>" &&
 128         git format-patch --stdout master..side >patch3 &&
 129         sed -e "/^\$/q" patch3 > hdrs3 &&
 130         grep "^To: R. E. Cipient <rcipient@example.com>\$" hdrs3 &&
 131         grep "^Cc: S. E. Cipient <scipient@example.com>\$" hdrs3
 132
 133 '
 134
 135 test_expect_success 'extra headers with multiple To:s' '
 136
 137         git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
 138         git config --add format.headers "To: S. E. Cipient <scipient@example.com>" &&
 139         git format-patch --stdout master..side > patch4 &&
 140         sed -e "/^\$/q" patch4 > hdrs4 &&
 141         grep "^To: R. E. Cipient <rcipient@example.com>,\$" hdrs4 &&
 142         grep "^ *S. E. Cipient <scipient@example.com>\$" hdrs4
 143 '
 144
 145 test_expect_success 'additional command line cc' '
 146
 147         git config --replace-all format.headers "Cc: R. E. Cipient <rcipient@example.com>" &&
 148         git format-patch --cc="S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch5 &&
 149         grep "^Cc: R. E. Cipient <rcipient@example.com>,\$" patch5 &&
 150         grep "^ *S. E. Cipient <scipient@example.com>\$" patch5
 151 '
 152
 153 test_expect_success 'command line headers' '
 154
 155         git config --unset-all format.headers &&
 156         git format-patch --add-header="Cc: R. E. Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch6 &&
 157         grep "^Cc: R. E. Cipient <rcipient@example.com>\$" patch6
 158 '
 159
 160 test_expect_success 'configuration headers and command line headers' '
 161
 162         git config --replace-all format.headers "Cc: R. E. Cipient <rcipient@example.com>" &&
 163         git format-patch --add-header="Cc: S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch7 &&
 164         grep "^Cc: R. E. Cipient <rcipient@example.com>,\$" patch7 &&
 165         grep "^ *S. E. Cipient <scipient@example.com>\$" patch7
 166 '
 167
 168 test_expect_success 'command line To: header' '
 169
 170         git config --unset-all format.headers &&
 171         git format-patch --to="R. E. Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch8 &&
 172         grep "^To: R. E. Cipient <rcipient@example.com>\$" patch8
 173 '
 174
 175 test_expect_success 'configuration To: header' '
 176
 177         git config format.to "R. E. Cipient <rcipient@example.com>" &&
 178         git format-patch --stdout master..side | sed -e "/^\$/q" >patch9 &&
 179         grep "^To: R. E. Cipient <rcipient@example.com>\$" patch9
 180 '
 181
 182 # check_patch <patch>: Verify that <patch> looks like a half-sane
 183 # patch email to avoid a false positive with !grep
 184 check_patch () {
 185         grep -e "^From:" "$1" &&
 186         grep -e "^Date:" "$1" &&
 187         grep -e "^Subject:" "$1"
 188 }
 189
 190 test_expect_success '--no-to overrides config.to' '
 191
 192         git config --replace-all format.to \
 193                 "R. E. Cipient <rcipient@example.com>" &&
 194         git format-patch --no-to --stdout master..side |
 195         sed -e "/^\$/q" >patch10 &&
 196         check_patch patch10 &&
 197         ! grep "^To: R. E. Cipient <rcipient@example.com>\$" patch10
 198 '
 199
 200 test_expect_success '--no-to and --to replaces config.to' '
 201
 202         git config --replace-all format.to \
 203                 "Someone <someone@out.there>" &&
 204         git format-patch --no-to --to="Someone Else <else@out.there>" \
 205                 --stdout master..side |
 206         sed -e "/^\$/q" >patch11 &&
 207         check_patch patch11 &&
 208         ! grep "^To: Someone <someone@out.there>\$" patch11 &&
 209         grep "^To: Someone Else <else@out.there>\$" patch11
 210 '
 211
 212 test_expect_success '--no-cc overrides config.cc' '
 213
 214         git config --replace-all format.cc \
 215                 "C. E. Cipient <rcipient@example.com>" &&
 216         git format-patch --no-cc --stdout master..side |
 217         sed -e "/^\$/q" >patch12 &&
 218         check_patch patch12 &&
 219         ! grep "^Cc: C. E. Cipient <rcipient@example.com>\$" patch12
 220 '
 221
 222 test_expect_success '--no-add-header overrides config.headers' '
 223
 224         git config --replace-all format.headers \
 225                 "Header1: B. E. Cipient <rcipient@example.com>" &&
 226         git format-patch --no-add-header --stdout master..side |
 227         sed -e "/^\$/q" >patch13 &&
 228         check_patch patch13 &&
 229         ! grep "^Header1: B. E. Cipient <rcipient@example.com>\$" patch13
 230 '
 231
 232 test_expect_success 'multiple files' '
 233
 234         rm -rf patches/ &&
 235         git checkout side &&
 236         git format-patch -o patches/ master &&
 237         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
 238 '
 239
 240 check_threading () {
 241         expect="$1" &&
 242         shift &&
 243         (git format-patch --stdout "$@"; echo $? > status.out) |
 244         # Prints everything between the Message-ID and In-Reply-To,
 245         # and replaces all Message-ID-lookalikes by a sequence number
 246         perl -ne '
 247                 if (/^(message-id|references|in-reply-to)/i) {
 248                         $printing = 1;
 249                 } elsif (/^\S/) {
 250                         $printing = 0;
 251                 }
 252                 if ($printing) {
 253                         $h{$1}=$i++ if (/<([^>]+)>/ and !exists $h{$1});
 254                         for $k (keys %h) {s/$k/$h{$k}/};
 255                         print;
 256                 }
 257                 print "---\n" if /^From /i;
 258         ' > actual &&
 259         test 0 = "$(cat status.out)" &&
 260         test_cmp "$expect" actual
 261 }
 262
 263 cat >> expect.no-threading <<EOF
 264 ---
 265 ---
 266 ---
 267 EOF
 268
 269 test_expect_success 'no threading' '
 270         git checkout side &&
 271         check_threading expect.no-threading master
 272 '
 273
 274 cat > expect.thread <<EOF
 275 ---
 276 Message-Id: <0>
 277 ---
 278 Message-Id: <1>
 279 In-Reply-To: <0>
 280 References: <0>
 281 ---
 282 Message-Id: <2>
 283 In-Reply-To: <0>
 284 References: <0>
 285 EOF
 286
 287 test_expect_success 'thread' '
 288         check_threading expect.thread --thread master
 289 '
 290
 291 cat > expect.in-reply-to <<EOF
 292 ---
 293 Message-Id: <0>
 294 In-Reply-To: <1>
 295 References: <1>
 296 ---
 297 Message-Id: <2>
 298 In-Reply-To: <1>
 299 References: <1>
 300 ---
 301 Message-Id: <3>
 302 In-Reply-To: <1>
 303 References: <1>
 304 EOF
 305
 306 test_expect_success 'thread in-reply-to' '
 307         check_threading expect.in-reply-to --in-reply-to="<test.message>" \
 308                 --thread master
 309 '
 310
 311 cat > expect.cover-letter <<EOF
 312 ---
 313 Message-Id: <0>
 314 ---
 315 Message-Id: <1>
 316 In-Reply-To: <0>
 317 References: <0>
 318 ---
 319 Message-Id: <2>
 320 In-Reply-To: <0>
 321 References: <0>
 322 ---
 323 Message-Id: <3>
 324 In-Reply-To: <0>
 325 References: <0>
 326 EOF
 327
 328 test_expect_success 'thread cover-letter' '
 329         check_threading expect.cover-letter --cover-letter --thread master
 330 '
 331
 332 cat > expect.cl-irt <<EOF
 333 ---
 334 Message-Id: <0>
 335 In-Reply-To: <1>
 336 References: <1>
 337 ---
 338 Message-Id: <2>
 339 In-Reply-To: <0>
 340 References: <1>
 341         <0>
 342 ---
 343 Message-Id: <3>
 344 In-Reply-To: <0>
 345 References: <1>
 346         <0>
 347 ---
 348 Message-Id: <4>
 349 In-Reply-To: <0>
 350 References: <1>
 351         <0>
 352 EOF
 353
 354 test_expect_success 'thread cover-letter in-reply-to' '
 355         check_threading expect.cl-irt --cover-letter \
 356                 --in-reply-to="<test.message>" --thread master
 357 '
 358
 359 test_expect_success 'thread explicit shallow' '
 360         check_threading expect.cl-irt --cover-letter \
 361                 --in-reply-to="<test.message>" --thread=shallow master
 362 '
 363
 364 cat > expect.deep <<EOF
 365 ---
 366 Message-Id: <0>
 367 ---
 368 Message-Id: <1>
 369 In-Reply-To: <0>
 370 References: <0>
 371 ---
 372 Message-Id: <2>
 373 In-Reply-To: <1>
 374 References: <0>
 375         <1>
 376 EOF
 377
 378 test_expect_success 'thread deep' '
 379         check_threading expect.deep --thread=deep master
 380 '
 381
 382 cat > expect.deep-irt <<EOF
 383 ---
 384 Message-Id: <0>
 385 In-Reply-To: <1>
 386 References: <1>
 387 ---
 388 Message-Id: <2>
 389 In-Reply-To: <0>
 390 References: <1>
 391         <0>
 392 ---
 393 Message-Id: <3>
 394 In-Reply-To: <2>
 395 References: <1>
 396         <0>
 397         <2>
 398 EOF
 399
 400 test_expect_success 'thread deep in-reply-to' '
 401         check_threading expect.deep-irt  --thread=deep \
 402                 --in-reply-to="<test.message>" master
 403 '
 404
 405 cat > expect.deep-cl <<EOF
 406 ---
 407 Message-Id: <0>
 408 ---
 409 Message-Id: <1>
 410 In-Reply-To: <0>
 411 References: <0>
 412 ---
 413 Message-Id: <2>
 414 In-Reply-To: <1>
 415 References: <0>
 416         <1>
 417 ---
 418 Message-Id: <3>
 419 In-Reply-To: <2>
 420 References: <0>
 421         <1>
 422         <2>
 423 EOF
 424
 425 test_expect_success 'thread deep cover-letter' '
 426         check_threading expect.deep-cl --cover-letter --thread=deep master
 427 '
 428
 429 cat > expect.deep-cl-irt <<EOF
 430 ---
 431 Message-Id: <0>
 432 In-Reply-To: <1>
 433 References: <1>
 434 ---
 435 Message-Id: <2>
 436 In-Reply-To: <0>
 437 References: <1>
 438         <0>
 439 ---
 440 Message-Id: <3>
 441 In-Reply-To: <2>
 442 References: <1>
 443         <0>
 444         <2>
 445 ---
 446 Message-Id: <4>
 447 In-Reply-To: <3>
 448 References: <1>
 449         <0>
 450         <2>
 451         <3>
 452 EOF
 453
 454 test_expect_success 'thread deep cover-letter in-reply-to' '
 455         check_threading expect.deep-cl-irt --cover-letter \
 456                 --in-reply-to="<test.message>" --thread=deep master
 457 '
 458
 459 test_expect_success 'thread via config' '
 460         test_config format.thread true &&
 461         check_threading expect.thread master
 462 '
 463
 464 test_expect_success 'thread deep via config' '
 465         test_config format.thread deep &&
 466         check_threading expect.deep master
 467 '
 468
 469 test_expect_success 'thread config + override' '
 470         test_config format.thread deep &&
 471         check_threading expect.thread --thread master
 472 '
 473
 474 test_expect_success 'thread config + --no-thread' '
 475         test_config format.thread deep &&
 476         check_threading expect.no-threading --no-thread master
 477 '
 478
 479 test_expect_success 'excessive subject' '
 480
 481         rm -rf patches/ &&
 482         git checkout side &&
 483         for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >>file &&
 484         git update-index file &&
 485         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." &&
 486         git format-patch -o patches/ master..side &&
 487         ls patches/0004-This-is-an-excessively-long-subject-line-for-a-messa.patch
 488 '
 489
 490 test_expect_success 'cover-letter inherits diff options' '
 491
 492         git mv file foo &&
 493         git commit -m foo &&
 494         git format-patch --cover-letter -1 &&
 495         check_patch 0000-cover-letter.patch &&
 496         ! grep "file => foo .* 0 *\$" 0000-cover-letter.patch &&
 497         git format-patch --cover-letter -1 -M &&
 498         grep "file => foo .* 0 *\$" 0000-cover-letter.patch
 499
 500 '
 501
 502 cat > expect << EOF
 503   This is an excessively long subject line for a message due to the
 504     habit some projects have of not having a short, one-line subject at
 505     the start of the commit message, but rather sticking a whole
 506     paragraph right at the start as the only thing in the commit
 507     message. It had better not become the filename for the patch.
 508   foo
 509
 510 EOF
 511
 512 test_expect_success 'shortlog of cover-letter wraps overly-long onelines' '
 513
 514         git format-patch --cover-letter -2 &&
 515         sed -e "1,/A U Thor/d" -e "/^\$/q" < 0000-cover-letter.patch > output &&
 516         test_cmp expect output
 517
 518 '
 519
 520 cat > expect << EOF
 521 ---
 522  file |   16 ++++++++++++++++
 523  1 file changed, 16 insertions(+)
 524
 525 diff --git a/file b/file
 526 index 40f36c6..2dc5c23 100644
 527 --- a/file
 528 +++ b/file
 529 @@ -13,4 +13,20 @@ C
 530  10
 531  D
 532  E
 533  F
 534 +5
 535 EOF
 536
 537 test_expect_success 'format-patch respects -U' '
 538
 539         git format-patch -U4 -2 &&
 540         sed -e "1,/^\$/d" -e "/^+5/q" < 0001-This-is-an-excessively-long-subject-line-for-a-messa.patch > output &&
 541         test_cmp expect output
 542
 543 '
 544
 545 cat > expect << EOF
 546
 547 diff --git a/file b/file
 548 index 40f36c6..2dc5c23 100644
 549 --- a/file
 550 +++ b/file
 551 @@ -14,3 +14,19 @@ C
 552  D
 553  E
 554  F
 555 +5
 556 EOF
 557
 558 test_expect_success 'format-patch -p suppresses stat' '
 559
 560         git format-patch -p -2 &&
 561         sed -e "1,/^\$/d" -e "/^+5/q" < 0001-This-is-an-excessively-long-subject-line-for-a-messa.patch > output &&
 562         test_cmp expect output
 563
 564 '
 565
 566 test_expect_success 'format-patch from a subdirectory (1)' '
 567         filename=$(
 568                 rm -rf sub &&
 569                 mkdir -p sub/dir &&
 570                 cd sub/dir &&
 571                 git format-patch -1
 572         ) &&
 573         case "$filename" in
 574         0*)
 575                 ;; # ok
 576         *)
 577                 echo "Oops? $filename"
 578                 false
 579                 ;;
 580         esac &&
 581         test -f "$filename"
 582 '
 583
 584 test_expect_success 'format-patch from a subdirectory (2)' '
 585         filename=$(
 586                 rm -rf sub &&
 587                 mkdir -p sub/dir &&
 588                 cd sub/dir &&
 589                 git format-patch -1 -o ..
 590         ) &&
 591         case "$filename" in
 592         ../0*)
 593                 ;; # ok
 594         *)
 595                 echo "Oops? $filename"
 596                 false
 597                 ;;
 598         esac &&
 599         basename=$(expr "$filename" : ".*/\(.*\)") &&
 600         test -f "sub/$basename"
 601 '
 602
 603 test_expect_success 'format-patch from a subdirectory (3)' '
 604         rm -f 0* &&
 605         filename=$(
 606                 rm -rf sub &&
 607                 mkdir -p sub/dir &&
 608                 cd sub/dir &&
 609                 git format-patch -1 -o "$TRASH_DIRECTORY"
 610         ) &&
 611         basename=$(expr "$filename" : ".*/\(.*\)") &&
 612         test -f "$basename"
 613 '
 614
 615 test_expect_success 'format-patch --in-reply-to' '
 616         git format-patch -1 --stdout --in-reply-to "baz@foo.bar" > patch8 &&
 617         grep "^In-Reply-To: <baz@foo.bar>" patch8 &&
 618         grep "^References: <baz@foo.bar>" patch8
 619 '
 620
 621 test_expect_success 'format-patch --signoff' '
 622         git format-patch -1 --signoff --stdout |
 623         grep "^Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
 624 '
 625
 626 echo "fatal: --name-only does not make sense" > expect.name-only
 627 echo "fatal: --name-status does not make sense" > expect.name-status
 628 echo "fatal: --check does not make sense" > expect.check
 629
 630 test_expect_success 'options no longer allowed for format-patch' '
 631         test_must_fail git format-patch --name-only 2> output &&
 632         test_i18ncmp expect.name-only output &&
 633         test_must_fail git format-patch --name-status 2> output &&
 634         test_i18ncmp expect.name-status output &&
 635         test_must_fail git format-patch --check 2> output &&
 636         test_i18ncmp expect.check output'
 637
 638 test_expect_success 'format-patch --numstat should produce a patch' '
 639         git format-patch --numstat --stdout master..side > output &&
 640         test 6 = $(grep "^diff --git a/" output | wc -l)'
 641
 642 test_expect_success 'format-patch -- <path>' '
 643         git format-patch master..side -- file 2>error &&
 644         ! grep "Use .--" error
 645 '
 646
 647 test_expect_success 'format-patch --ignore-if-in-upstream HEAD' '
 648         git format-patch --ignore-if-in-upstream HEAD
 649 '
 650
 651 test_expect_success 'format-patch --signature' '
 652         git format-patch --stdout --signature="my sig" -1 >output &&
 653         grep "my sig" output
 654 '
 655
 656 test_expect_success 'format-patch with format.signature config' '
 657         git config format.signature "config sig" &&
 658         git format-patch --stdout -1 >output &&
 659         grep "config sig" output
 660 '
 661
 662 test_expect_success 'format-patch --signature overrides format.signature' '
 663         git config format.signature "config sig" &&
 664         git format-patch --stdout --signature="overrides" -1 >output &&
 665         ! grep "config sig" output &&
 666         grep "overrides" output
 667 '
 668
 669 test_expect_success 'format-patch --no-signature ignores format.signature' '
 670         git config format.signature "config sig" &&
 671         git format-patch --stdout --signature="my sig" --no-signature \
 672                 -1 >output &&
 673         check_patch output &&
 674         ! grep "config sig" output &&
 675         ! grep "my sig" output &&
 676         ! grep "^-- \$" output
 677 '
 678
 679 test_expect_success 'format-patch --signature --cover-letter' '
 680         git config --unset-all format.signature &&
 681         git format-patch --stdout --signature="my sig" --cover-letter \
 682                 -1 >output &&
 683         grep "my sig" output &&
 684         test 2 = $(grep "my sig" output | wc -l)
 685 '
 686
 687 test_expect_success 'format.signature="" supresses signatures' '
 688         git config format.signature "" &&
 689         git format-patch --stdout -1 >output &&
 690         check_patch output &&
 691         ! grep "^-- \$" output
 692 '
 693
 694 test_expect_success 'format-patch --no-signature supresses signatures' '
 695         git config --unset-all format.signature &&
 696         git format-patch --stdout --no-signature -1 >output &&
 697         check_patch output &&
 698         ! grep "^-- \$" output
 699 '
 700
 701 test_expect_success 'format-patch --signature="" supresses signatures' '
 702         git format-patch --stdout --signature="" -1 >output &&
 703         check_patch output &&
 704         ! grep "^-- \$" output
 705 '
 706
 707 test_expect_success TTY 'format-patch --stdout paginates' '
 708         rm -f pager_used &&
 709         (
 710                 GIT_PAGER="wc >pager_used" &&
 711                 export GIT_PAGER &&
 712                 test_terminal git format-patch --stdout --all
 713         ) &&
 714         test_path_is_file pager_used
 715 '
 716
 717  test_expect_success TTY 'format-patch --stdout pagination can be disabled' '
 718         rm -f pager_used &&
 719         (
 720                 GIT_PAGER="wc >pager_used" &&
 721                 export GIT_PAGER &&
 722                 test_terminal git --no-pager format-patch --stdout --all &&
 723                 test_terminal git -c "pager.format-patch=false" format-patch --stdout --all
 724         ) &&
 725         test_path_is_missing pager_used &&
 726         test_path_is_missing .git/pager_used
 727 '
 728
 729 test_expect_success 'format-patch handles multi-line subjects' '
 730         rm -rf patches/ &&
 731         echo content >>file &&
 732         for i in one two three; do echo $i; done >msg &&
 733         git add file &&
 734         git commit -F msg &&
 735         git format-patch -o patches -1 &&
 736         grep ^Subject: patches/0001-one.patch >actual &&
 737         echo "Subject: [PATCH] one two three" >expect &&
 738         test_cmp expect actual
 739 '
 740
 741 test_expect_success 'format-patch handles multi-line encoded subjects' '
 742         rm -rf patches/ &&
 743         echo content >>file &&
 744         for i in en två tre; do echo $i; done >msg &&
 745         git add file &&
 746         git commit -F msg &&
 747         git format-patch -o patches -1 &&
 748         grep ^Subject: patches/0001-en.patch >actual &&
 749         echo "Subject: [PATCH] =?UTF-8?q?en=20tv=C3=A5=20tre?=" >expect &&
 750         test_cmp expect actual
 751 '
 752
 753 M8="foo bar "
 754 M64=$M8$M8$M8$M8$M8$M8$M8$M8
 755 M512=$M64$M64$M64$M64$M64$M64$M64$M64
 756 cat >expect <<'EOF'
 757 Subject: [PATCH] foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 758  bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 759  foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 760  bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 761  foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 762  bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 763  foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
 764  bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
 765  foo bar foo bar foo bar foo bar
 766 EOF
 767 test_expect_success 'format-patch wraps extremely long headers (ascii)' '
 768         echo content >>file &&
 769         git add file &&
 770         git commit -m "$M512" &&
 771         git format-patch --stdout -1 >patch &&
 772         sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
 773         test_cmp expect subject
 774 '
 775
 776 M8="föö bar "
 777 M64=$M8$M8$M8$M8$M8$M8$M8$M8
 778 M512=$M64$M64$M64$M64$M64$M64$M64$M64
 779 cat >expect <<'EOF'
 780 Subject: [PATCH] =?UTF-8?q?f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 781  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 782  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 783  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 784  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 785  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 786  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 787  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 788  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 789  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 790  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 791  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 792  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 793  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 794  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 795  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 796  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 797  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 798  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 799  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 800  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
 801  =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
 802 EOF
 803 test_expect_success 'format-patch wraps extremely long headers (rfc2047)' '
 804         rm -rf patches/ &&
 805         echo content >>file &&
 806         git add file &&
 807         git commit -m "$M512" &&
 808         git format-patch --stdout -1 >patch &&
 809         sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
 810         test_cmp expect subject
 811 '
 812
 813 M8="foo_bar_"
 814 M64=$M8$M8$M8$M8$M8$M8$M8$M8
 815 cat >expect <<EOF
 816 From: $M64
 817  <foobar@foo.bar>
 818 EOF
 819 test_expect_success 'format-patch wraps non-quotable headers' '
 820         rm -rf patches/ &&
 821         echo content >>file &&
 822         git add file &&
 823         git commit -mfoo --author "$M64 <foobar@foo.bar>" &&
 824         git format-patch --stdout -1 >patch &&
 825         sed -n "/^From: /p; /^ /p; /^$/q" <patch >from &&
 826         test_cmp expect from
 827 '
 828
 829 check_author() {
 830         echo content >>file &&
 831         git add file &&
 832         GIT_AUTHOR_NAME=$1 git commit -m author-check &&
 833         git format-patch --stdout -1 >patch &&
 834         grep ^From: patch >actual &&
 835         test_cmp expect actual
 836 }
 837
 838 cat >expect <<'EOF'
 839 From: "Foo B. Bar" <author@example.com>
 840 EOF
 841 test_expect_success 'format-patch quotes dot in headers' '
 842         check_author "Foo B. Bar"
 843 '
 844
 845 cat >expect <<'EOF'
 846 From: "Foo \"The Baz\" Bar" <author@example.com>
 847 EOF
 848 test_expect_success 'format-patch quotes double-quote in headers' '
 849         check_author "Foo \"The Baz\" Bar"
 850 '
 851
 852 cat >expect <<'EOF'
 853 From: =?UTF-8?q?"F=C3=B6o=20B.=20Bar"?= <author@example.com>
 854 EOF
 855 test_expect_success 'rfc2047-encoded headers also double-quote 822 specials' '
 856         check_author "Föo B. Bar"
 857 '
 858
 859 cat >expect <<'EOF'
 860 Subject: header with . in it
 861 EOF
 862 test_expect_success 'subject lines do not have 822 atom-quoting' '
 863         echo content >>file &&
 864         git add file &&
 865         git commit -m "header with . in it" &&
 866         git format-patch -k -1 --stdout >patch &&
 867         grep ^Subject: patch >actual &&
 868         test_cmp expect actual
 869 '
 870
 871 cat >expect <<'EOF'
 872 Subject: [PREFIX 1/1] header with . in it
 873 EOF
 874 test_expect_success 'subject prefixes have space prepended' '
 875         git format-patch -n -1 --stdout --subject-prefix=PREFIX >patch &&
 876         grep ^Subject: patch >actual &&
 877         test_cmp expect actual
 878 '
 879
 880 cat >expect <<'EOF'
 881 Subject: [1/1] header with . in it
 882 EOF
 883 test_expect_success 'empty subject prefix does not have extra space' '
 884         git format-patch -n -1 --stdout --subject-prefix= >patch &&
 885         grep ^Subject: patch >actual &&
 886         test_cmp expect actual
 887 '
 888
 889 test_expect_success 'format patch ignores color.ui' '
 890         test_unconfig color.ui &&
 891         git format-patch --stdout -1 >expect &&
 892         test_config color.ui always &&
 893         git format-patch --stdout -1 >actual &&
 894         test_cmp expect actual
 895 '
 896
 897 test_done