t/t4150-am.sh

   1 #!/bin/sh
   2
   3 test_description='git am running'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success 'setup: messages' '
  11         cat >msg <<-\EOF &&
  12         second
  13
  14         Lorem ipsum dolor sit amet, consectetuer sadipscing elitr, sed diam nonumy
  15         eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
  16         voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita
  17         kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem
  18         ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
  19         tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At
  20         vero eos et accusam et justo duo dolores et ea rebum.
  21
  22         EOF
  23         qz_to_tab_space <<-\EOF >>msg &&
  24         QDuis autem vel eum iriure dolor in hendrerit in vulputate velit
  25         Qesse molestie consequat, vel illum dolore eu feugiat nulla facilisis
  26         Qat vero eros et accumsan et iusto odio dignissim qui blandit
  27         Qpraesent luptatum zzril delenit augue duis dolore te feugait nulla
  28         Qfacilisi.
  29         EOF
  30         cat >>msg <<-\EOF &&
  31
  32         Lorem ipsum dolor sit amet,
  33         consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut
  34         laoreet dolore magna aliquam erat volutpat.
  35
  36           git
  37           ---
  38           +++
  39
  40         Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit
  41         lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure
  42         dolor in hendrerit in vulputate velit esse molestie consequat, vel illum
  43         dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio
  44         dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te
  45         feugait nulla facilisi.
  46
  47         Reported-by: A N Other <a.n.other@example.com>
  48         EOF
  49
  50         cat >failmail <<-\EOF &&
  51         From foo@example.com Fri May 23 10:43:49 2008
  52         From:   foo@example.com
  53         To:     bar@example.com
  54         Subject: Re: [RFC/PATCH] git-foo.sh
  55         Date:   Fri, 23 May 2008 05:23:42 +0200
  56
  57         Sometimes we have to find out that there'\''s nothing left.
  58
  59         EOF
  60
  61         cat >pine <<-\EOF &&
  62         From MAILER-DAEMON Fri May 23 10:43:49 2008
  63         Date: 23 May 2008 05:23:42 +0200
  64         From: Mail System Internal Data <MAILER-DAEMON@example.com>
  65         Subject: DON'\''T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA
  66         Message-ID: <foo-0001@example.com>
  67
  68         This text is part of the internal format of your mail folder, and is not
  69         a real message.  It is created automatically by the mail system software.
  70         If deleted, important folder data will be lost, and it will be re-created
  71         with the data reset to initial values.
  72
  73         EOF
  74
  75         cat >msg-without-scissors-line <<-\EOF &&
  76         Test that git-am --scissors cuts at the scissors line
  77
  78         This line should be included in the commit message.
  79         EOF
  80
  81         printf "Subject: " >subject-prefix &&
  82
  83         cat - subject-prefix msg-without-scissors-line >msg-with-scissors-line <<-\EOF
  84         This line should not be included in the commit message with --scissors enabled.
  85
  86          - - >8 - - remove everything above this line - - >8 - -
  87
  88         EOF
  89 '
  90
  91 test_expect_success setup '
  92         echo hello >file &&
  93         git add file &&
  94         test_tick &&
  95         git commit -m first &&
  96         git tag first &&
  97
  98         echo world >>file &&
  99         git add file &&
 100         test_tick &&
 101         git commit -F msg &&
 102         git tag second &&
 103
 104         git format-patch --stdout first >patch1 &&
 105         {
 106                 echo "Message-ID: <1226501681-24923-1-git-send-email-bda@mnsspb.ru>" &&
 107                 echo "X-Fake-Field: Line One" &&
 108                 echo "X-Fake-Field: Line Two" &&
 109                 echo "X-Fake-Field: Line Three" &&
 110                 git format-patch --stdout first | sed -e "1d"
 111         } > patch1.eml &&
 112         {
 113                 echo "X-Fake-Field: Line One" &&
 114                 echo "X-Fake-Field: Line Two" &&
 115                 echo "X-Fake-Field: Line Three" &&
 116                 git format-patch --stdout first | sed -e "1d"
 117         } | append_cr >patch1-crlf.eml &&
 118         {
 119                 printf "%255s\\n" "" &&
 120                 echo "X-Fake-Field: Line One" &&
 121                 echo "X-Fake-Field: Line Two" &&
 122                 echo "X-Fake-Field: Line Three" &&
 123                 git format-patch --stdout first | sed -e "1d"
 124         } > patch1-ws.eml &&
 125         {
 126                 sed -ne "1p" msg &&
 127                 echo &&
 128                 echo "From: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>" &&
 129                 echo "Date: $GIT_AUTHOR_DATE" &&
 130                 echo &&
 131                 sed -e "1,2d" msg &&
 132                 echo "---" &&
 133                 git diff-tree --no-commit-id --stat -p second
 134         } >patch1-stgit.eml &&
 135         mkdir stgit-series &&
 136         cp patch1-stgit.eml stgit-series/patch &&
 137         {
 138                 echo "# This series applies on GIT commit $(git rev-parse first)" &&
 139                 echo "patch"
 140         } >stgit-series/series &&
 141         {
 142                 echo "# HG changeset patch" &&
 143                 echo "# User $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>" &&
 144                 echo "# Date $test_tick 25200" &&
 145                 echo "#      $(git show --pretty="%aD" -s second)" &&
 146                 echo "# Node ID $ZERO_OID" &&
 147                 echo "# Parent  $ZERO_OID" &&
 148                 cat msg &&
 149                 echo &&
 150                 git diff-tree --no-commit-id -p second
 151         } >patch1-hg.eml &&
 152
 153
 154         echo file >file &&
 155         git add file &&
 156         git commit -F msg-without-scissors-line &&
 157         git tag expected-for-scissors &&
 158         git reset --hard HEAD^ &&
 159
 160         echo file >file &&
 161         git add file &&
 162         git commit -F msg-with-scissors-line &&
 163         git tag expected-for-no-scissors &&
 164         git format-patch --stdout expected-for-no-scissors^ >patch-with-scissors-line.eml &&
 165         git reset --hard HEAD^ &&
 166
 167         sed -n -e "3,\$p" msg >file &&
 168         git add file &&
 169         test_tick &&
 170         git commit -m third &&
 171
 172         git format-patch --stdout first >patch2 &&
 173
 174         git checkout -b lorem &&
 175         sed -n -e "11,\$p" msg >file &&
 176         head -n 9 msg >>file &&
 177         test_tick &&
 178         git commit -a -m "moved stuff" &&
 179
 180         echo goodbye >another &&
 181         git add another &&
 182         test_tick &&
 183         git commit -m "added another file" &&
 184
 185         git format-patch --stdout main >lorem-move.patch &&
 186         git format-patch --no-prefix --stdout main >lorem-zero.patch &&
 187
 188         git checkout -b rename &&
 189         git mv file renamed &&
 190         git commit -m "renamed a file" &&
 191
 192         git format-patch -M --stdout lorem >rename.patch &&
 193
 194         git reset --soft lorem^ &&
 195         git commit -m "renamed a file and added another" &&
 196
 197         git format-patch -M --stdout lorem^ >rename-add.patch &&
 198
 199         git checkout -b empty-commit &&
 200         git commit -m "empty commit" --allow-empty &&
 201
 202         : >empty.patch &&
 203         git format-patch --always --stdout empty-commit^ >empty-commit.patch &&
 204
 205         # reset time
 206         sane_unset test_tick &&
 207         test_tick
 208 '
 209
 210 test_expect_success 'am applies patch correctly' '
 211         rm -fr .git/rebase-apply &&
 212         git reset --hard &&
 213         git checkout first &&
 214         test_tick &&
 215         git am <patch1 &&
 216         test_path_is_missing .git/rebase-apply &&
 217         git diff --exit-code second &&
 218         test "$(git rev-parse second)" = "$(git rev-parse HEAD)" &&
 219         test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)"
 220 '
 221
 222 test_expect_success 'am fails if index is dirty' '
 223         test_when_finished "rm -f dirtyfile" &&
 224         rm -fr .git/rebase-apply &&
 225         git reset --hard &&
 226         git checkout first &&
 227         echo dirtyfile >dirtyfile &&
 228         git add dirtyfile &&
 229         test_must_fail git am patch1 &&
 230         test_path_is_dir .git/rebase-apply &&
 231         test_cmp_rev first HEAD
 232 '
 233
 234 test_expect_success 'am applies patch e-mail not in a mbox' '
 235         rm -fr .git/rebase-apply &&
 236         git reset --hard &&
 237         git checkout first &&
 238         git am patch1.eml &&
 239         test_path_is_missing .git/rebase-apply &&
 240         git diff --exit-code second &&
 241         test "$(git rev-parse second)" = "$(git rev-parse HEAD)" &&
 242         test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)"
 243 '
 244
 245 test_expect_success 'am applies patch e-mail not in a mbox with CRLF' '
 246         rm -fr .git/rebase-apply &&
 247         git reset --hard &&
 248         git checkout first &&
 249         git am patch1-crlf.eml &&
 250         test_path_is_missing .git/rebase-apply &&
 251         git diff --exit-code second &&
 252         test "$(git rev-parse second)" = "$(git rev-parse HEAD)" &&
 253         test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)"
 254 '
 255
 256 test_expect_success 'am applies patch e-mail with preceding whitespace' '
 257         rm -fr .git/rebase-apply &&
 258         git reset --hard &&
 259         git checkout first &&
 260         git am patch1-ws.eml &&
 261         test_path_is_missing .git/rebase-apply &&
 262         git diff --exit-code second &&
 263         test "$(git rev-parse second)" = "$(git rev-parse HEAD)" &&
 264         test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)"
 265 '
 266
 267 test_expect_success 'am applies stgit patch' '
 268         rm -fr .git/rebase-apply &&
 269         git checkout -f first &&
 270         git am patch1-stgit.eml &&
 271         test_path_is_missing .git/rebase-apply &&
 272         git diff --exit-code second &&
 273         test_cmp_rev second HEAD &&
 274         test_cmp_rev second^ HEAD^
 275 '
 276
 277 test_expect_success 'am --patch-format=stgit applies stgit patch' '
 278         rm -fr .git/rebase-apply &&
 279         git checkout -f first &&
 280         git am --patch-format=stgit <patch1-stgit.eml &&
 281         test_path_is_missing .git/rebase-apply &&
 282         git diff --exit-code second &&
 283         test_cmp_rev second HEAD &&
 284         test_cmp_rev second^ HEAD^
 285 '
 286
 287 test_expect_success 'am applies stgit series' '
 288         rm -fr .git/rebase-apply &&
 289         git checkout -f first &&
 290         git am stgit-series/series &&
 291         test_path_is_missing .git/rebase-apply &&
 292         git diff --exit-code second &&
 293         test_cmp_rev second HEAD &&
 294         test_cmp_rev second^ HEAD^
 295 '
 296
 297 test_expect_success 'am applies hg patch' '
 298         rm -fr .git/rebase-apply &&
 299         git checkout -f first &&
 300         git am patch1-hg.eml &&
 301         test_path_is_missing .git/rebase-apply &&
 302         git diff --exit-code second &&
 303         test_cmp_rev second HEAD &&
 304         test_cmp_rev second^ HEAD^
 305 '
 306
 307 test_expect_success 'am --patch-format=hg applies hg patch' '
 308         rm -fr .git/rebase-apply &&
 309         git checkout -f first &&
 310         git am --patch-format=hg <patch1-hg.eml &&
 311         test_path_is_missing .git/rebase-apply &&
 312         git diff --exit-code second &&
 313         test_cmp_rev second HEAD &&
 314         test_cmp_rev second^ HEAD^
 315 '
 316
 317 test_expect_success 'am with applypatch-msg hook' '
 318         rm -fr .git/rebase-apply &&
 319         git reset --hard &&
 320         git checkout first &&
 321         test_hook applypatch-msg <<-\EOF &&
 322         cat "$1" >actual-msg &&
 323         echo hook-message >"$1"
 324         EOF
 325         git am patch1 &&
 326         test_path_is_missing .git/rebase-apply &&
 327         git diff --exit-code second &&
 328         echo hook-message >expected &&
 329         git log -1 --format=format:%B >actual &&
 330         test_cmp expected actual &&
 331         git log -1 --format=format:%B second >expected &&
 332         test_cmp expected actual-msg
 333 '
 334
 335 test_expect_success 'am with failing applypatch-msg hook' '
 336         rm -fr .git/rebase-apply &&
 337         git reset --hard &&
 338         git checkout first &&
 339         test_hook applypatch-msg <<-\EOF &&
 340         exit 1
 341         EOF
 342         test_must_fail git am patch1 &&
 343         test_path_is_dir .git/rebase-apply &&
 344         git diff --exit-code first &&
 345         test_cmp_rev first HEAD
 346 '
 347
 348 test_expect_success 'am with failing applypatch-msg hook (no verify)' '
 349         rm -fr .git/rebase-apply &&
 350         git reset --hard &&
 351         git checkout first &&
 352         test_hook applypatch-msg <<-\EOF &&
 353         echo hook-message >"$1"
 354         exit 1
 355         EOF
 356         git am --no-verify patch1 &&
 357         test_path_is_missing .git/rebase-apply &&
 358         git diff --exit-code second &&
 359         git log -1 --format=format:%B >actual &&
 360         test_cmp msg actual
 361 '
 362
 363 test_expect_success 'am with pre-applypatch hook' '
 364         rm -fr .git/rebase-apply &&
 365         git reset --hard &&
 366         git checkout first &&
 367         test_hook pre-applypatch <<-\EOF &&
 368         git diff first >diff.actual
 369         exit 0
 370         EOF
 371         git am patch1 &&
 372         test_path_is_missing .git/rebase-apply &&
 373         git diff --exit-code second &&
 374         test_cmp_rev second HEAD &&
 375         git diff first..second >diff.expected &&
 376         test_cmp diff.expected diff.actual
 377 '
 378
 379 test_expect_success 'am with failing pre-applypatch hook' '
 380         rm -fr .git/rebase-apply &&
 381         git reset --hard &&
 382         git checkout first &&
 383         test_hook pre-applypatch <<-\EOF &&
 384         exit 1
 385         EOF
 386         test_must_fail git am patch1 &&
 387         test_path_is_dir .git/rebase-apply &&
 388         git diff --exit-code second &&
 389         test_cmp_rev first HEAD
 390 '
 391
 392 test_expect_success 'am with failing pre-applypatch hook (no verify)' '
 393         rm -fr .git/rebase-apply &&
 394         git reset --hard &&
 395         git checkout first &&
 396         touch empty-file &&
 397         test_hook pre-applypatch <<-\EOF &&
 398         rm empty-file
 399         exit 1
 400         EOF
 401         git am --no-verify patch1 &&
 402         test_path_is_missing .git/rebase-apply &&
 403         test_path_is_file empty-file &&
 404         git diff --exit-code second &&
 405         git log -1 --format=format:%B >actual &&
 406         test_cmp msg actual
 407 '
 408
 409 test_expect_success 'am with post-applypatch hook' '
 410         rm -fr .git/rebase-apply &&
 411         git reset --hard &&
 412         git checkout first &&
 413         test_hook post-applypatch <<-\EOF &&
 414         git rev-parse HEAD >head.actual
 415         git diff second >diff.actual
 416         exit 0
 417         EOF
 418         git am patch1 &&
 419         test_path_is_missing .git/rebase-apply &&
 420         test_cmp_rev second HEAD &&
 421         git rev-parse second >head.expected &&
 422         test_cmp head.expected head.actual &&
 423         git diff second >diff.expected &&
 424         test_cmp diff.expected diff.actual
 425 '
 426
 427 test_expect_success 'am with failing post-applypatch hook' '
 428         rm -fr .git/rebase-apply &&
 429         git reset --hard &&
 430         git checkout first &&
 431         test_hook post-applypatch <<-\EOF &&
 432         git rev-parse HEAD >head.actual
 433         exit 1
 434         EOF
 435         git am patch1 &&
 436         test_path_is_missing .git/rebase-apply &&
 437         git diff --exit-code second &&
 438         test_cmp_rev second HEAD &&
 439         git rev-parse second >head.expected &&
 440         test_cmp head.expected head.actual
 441 '
 442
 443 test_expect_success 'am --scissors cuts the message at the scissors line' '
 444         rm -fr .git/rebase-apply &&
 445         git reset --hard &&
 446         git checkout second &&
 447         git am --scissors patch-with-scissors-line.eml &&
 448         test_path_is_missing .git/rebase-apply &&
 449         git diff --exit-code expected-for-scissors &&
 450         test_cmp_rev expected-for-scissors HEAD
 451 '
 452
 453 test_expect_success 'am --no-scissors overrides mailinfo.scissors' '
 454         rm -fr .git/rebase-apply &&
 455         git reset --hard &&
 456         git checkout second &&
 457         test_config mailinfo.scissors true &&
 458         git am --no-scissors patch-with-scissors-line.eml &&
 459         test_path_is_missing .git/rebase-apply &&
 460         git diff --exit-code expected-for-no-scissors &&
 461         test_cmp_rev expected-for-no-scissors HEAD
 462 '
 463
 464 test_expect_success 'setup: new author and committer' '
 465         GIT_AUTHOR_NAME="Another Thor" &&
 466         GIT_AUTHOR_EMAIL="a.thor@example.com" &&
 467         GIT_COMMITTER_NAME="Co M Miter" &&
 468         GIT_COMMITTER_EMAIL="c.miter@example.com" &&
 469         export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL
 470 '
 471
 472 compare () {
 473         a=$(git cat-file commit "$2" | grep "^$1 ") &&
 474         b=$(git cat-file commit "$3" | grep "^$1 ") &&
 475         test "$a" = "$b"
 476 }
 477
 478 test_expect_success 'am changes committer and keeps author' '
 479         test_tick &&
 480         rm -fr .git/rebase-apply &&
 481         git reset --hard &&
 482         git checkout first &&
 483         git am patch2 &&
 484         test_path_is_missing .git/rebase-apply &&
 485         test "$(git rev-parse main^^)" = "$(git rev-parse HEAD^^)" &&
 486         git diff --exit-code main..HEAD &&
 487         git diff --exit-code main^..HEAD^ &&
 488         compare author main HEAD &&
 489         compare author main^ HEAD^ &&
 490         test "$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" = \
 491              "$(git log -1 --pretty=format:"%cn <%ce>" HEAD)"
 492 '
 493
 494 test_expect_success 'am --signoff adds Signed-off-by: line' '
 495         rm -fr .git/rebase-apply &&
 496         git reset --hard &&
 497         git checkout -b topic_2 first &&
 498         git am --signoff <patch2 &&
 499         {
 500                 printf "third\n\nSigned-off-by: %s <%s>\n\n" \
 501                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" &&
 502                 cat msg &&
 503                 printf "Signed-off-by: %s <%s>\n\n" \
 504                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL"
 505         } >expected-log &&
 506         git log --pretty=%B -2 HEAD >actual &&
 507         test_cmp expected-log actual
 508 '
 509
 510 test_expect_success 'am stays in branch' '
 511         echo refs/heads/topic_2 >expected &&
 512         git symbolic-ref HEAD >actual &&
 513         test_cmp expected actual
 514 '
 515
 516 test_expect_success 'am --signoff does not add Signed-off-by: line if already there' '
 517         git format-patch --stdout first >patch3 &&
 518         git reset --hard first &&
 519         git am --signoff <patch3 &&
 520         git log --pretty=%B -2 HEAD >actual &&
 521         test_cmp expected-log actual
 522 '
 523
 524 test_expect_success 'am --signoff adds Signed-off-by: if another author is preset' '
 525         NAME="A N Other" &&
 526         EMAIL="a.n.other@example.com" &&
 527         {
 528                 printf "third\n\nSigned-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
 529                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
 530                         "$NAME" "$EMAIL" &&
 531                 cat msg &&
 532                 printf "Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
 533                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
 534                         "$NAME" "$EMAIL"
 535         } >expected-log &&
 536         git reset --hard first &&
 537         GIT_COMMITTER_NAME="$NAME" GIT_COMMITTER_EMAIL="$EMAIL" \
 538                 git am --signoff <patch3 &&
 539         git log --pretty=%B -2 HEAD >actual &&
 540         test_cmp expected-log actual
 541 '
 542
 543 test_expect_success 'am --signoff duplicates Signed-off-by: if it is not the last one' '
 544         NAME="A N Other" &&
 545         EMAIL="a.n.other@example.com" &&
 546         {
 547                 printf "third\n\nSigned-off-by: %s <%s>\n\
 548 Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
 549                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
 550                         "$NAME" "$EMAIL" \
 551                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" &&
 552                 cat msg &&
 553                 printf "Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\
 554 Signed-off-by: %s <%s>\n\n" \
 555                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
 556                         "$NAME" "$EMAIL" \
 557                         "$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL"
 558         } >expected-log &&
 559         git format-patch --stdout first >patch3 &&
 560         git reset --hard first &&
 561         git am --signoff <patch3 &&
 562         git log --pretty=%B -2 HEAD >actual &&
 563         test_cmp expected-log actual
 564 '
 565
 566 test_expect_success 'am without --keep removes Re: and [PATCH] stuff' '
 567         git format-patch --stdout HEAD^ >tmp &&
 568         sed -e "/^Subject/ s,\[PATCH,Re: Re: Re: & 1/5 v2] [foo," tmp >patch4 &&
 569         git reset --hard HEAD^ &&
 570         git am <patch4 &&
 571         git rev-parse HEAD >expected &&
 572         git rev-parse topic_2 >actual &&
 573         test_cmp expected actual
 574 '
 575
 576 test_expect_success 'am --keep really keeps the subject' '
 577         rm -fr .git/rebase-apply &&
 578         git reset --hard &&
 579         git checkout HEAD^ &&
 580         git am --keep patch4 &&
 581         test_path_is_missing .git/rebase-apply &&
 582         git cat-file commit HEAD >actual &&
 583         grep "Re: Re: Re: \[PATCH 1/5 v2\] \[foo\] third" actual
 584 '
 585
 586 test_expect_success 'am --keep-non-patch really keeps the non-patch part' '
 587         rm -fr .git/rebase-apply &&
 588         git reset --hard &&
 589         git checkout HEAD^ &&
 590         git am --keep-non-patch patch4 &&
 591         test_path_is_missing .git/rebase-apply &&
 592         git cat-file commit HEAD >actual &&
 593         grep "^\[foo\] third" actual
 594 '
 595
 596 test_expect_success 'setup am -3' '
 597         rm -fr .git/rebase-apply &&
 598         git reset --hard &&
 599         git checkout -b base3way topic_2 &&
 600         sed -n -e "3,\$p" msg >file &&
 601         head -n 9 msg >>file &&
 602         git add file &&
 603         test_tick &&
 604         git commit -m "copied stuff"
 605 '
 606
 607 test_expect_success 'am -3 falls back to 3-way merge' '
 608         rm -fr .git/rebase-apply &&
 609         git reset --hard &&
 610         git checkout -b lorem2 base3way &&
 611         git am -3 lorem-move.patch &&
 612         test_path_is_missing .git/rebase-apply &&
 613         git diff --exit-code lorem
 614 '
 615
 616 test_expect_success 'am -3 -p0 can read --no-prefix patch' '
 617         rm -fr .git/rebase-apply &&
 618         git reset --hard &&
 619         git checkout -b lorem3 base3way &&
 620         git am -3 -p0 lorem-zero.patch &&
 621         test_path_is_missing .git/rebase-apply &&
 622         git diff --exit-code lorem
 623 '
 624
 625 test_expect_success 'am with config am.threeWay falls back to 3-way merge' '
 626         rm -fr .git/rebase-apply &&
 627         git reset --hard &&
 628         git checkout -b lorem4 base3way &&
 629         test_config am.threeWay 1 &&
 630         git am lorem-move.patch &&
 631         test_path_is_missing .git/rebase-apply &&
 632         git diff --exit-code lorem
 633 '
 634
 635 test_expect_success 'am with config am.threeWay overridden by --no-3way' '
 636         rm -fr .git/rebase-apply &&
 637         git reset --hard &&
 638         git checkout -b lorem5 base3way &&
 639         test_config am.threeWay 1 &&
 640         test_must_fail git am --no-3way lorem-move.patch &&
 641         test_path_is_dir .git/rebase-apply
 642 '
 643
 644 test_expect_success 'am can rename a file' '
 645         grep "^rename from" rename.patch &&
 646         rm -fr .git/rebase-apply &&
 647         git reset --hard &&
 648         git checkout lorem^0 &&
 649         git am rename.patch &&
 650         test_path_is_missing .git/rebase-apply &&
 651         git update-index --refresh &&
 652         git diff --exit-code rename
 653 '
 654
 655 test_expect_success 'am -3 can rename a file' '
 656         grep "^rename from" rename.patch &&
 657         rm -fr .git/rebase-apply &&
 658         git reset --hard &&
 659         git checkout lorem^0 &&
 660         git am -3 rename.patch &&
 661         test_path_is_missing .git/rebase-apply &&
 662         git update-index --refresh &&
 663         git diff --exit-code rename
 664 '
 665
 666 test_expect_success 'am -3 can rename a file after falling back to 3-way merge' '
 667         grep "^rename from" rename-add.patch &&
 668         rm -fr .git/rebase-apply &&
 669         git reset --hard &&
 670         git checkout lorem^0 &&
 671         git am -3 rename-add.patch &&
 672         test_path_is_missing .git/rebase-apply &&
 673         git update-index --refresh &&
 674         git diff --exit-code rename
 675 '
 676
 677 test_expect_success 'am -3 -q is quiet' '
 678         rm -fr .git/rebase-apply &&
 679         git checkout -f lorem2 &&
 680         git reset base3way --hard &&
 681         git am -3 -q lorem-move.patch >output.out 2>&1 &&
 682         test_must_be_empty output.out
 683 '
 684
 685 test_expect_success 'am pauses on conflict' '
 686         rm -fr .git/rebase-apply &&
 687         git reset --hard &&
 688         git checkout lorem2^^ &&
 689         test_must_fail git am lorem-move.patch &&
 690         test -d .git/rebase-apply
 691 '
 692
 693 test_expect_success 'am --show-current-patch' '
 694         git am --show-current-patch >actual.patch &&
 695         test_cmp .git/rebase-apply/0001 actual.patch
 696 '
 697
 698 test_expect_success 'am --show-current-patch=raw' '
 699         git am --show-current-patch=raw >actual.patch &&
 700         test_cmp .git/rebase-apply/0001 actual.patch
 701 '
 702
 703 test_expect_success 'am --show-current-patch=diff' '
 704         git am --show-current-patch=diff >actual.patch &&
 705         test_cmp .git/rebase-apply/patch actual.patch
 706 '
 707
 708 test_expect_success 'am accepts repeated --show-current-patch' '
 709         git am --show-current-patch --show-current-patch=raw >actual.patch &&
 710         test_cmp .git/rebase-apply/0001 actual.patch
 711 '
 712
 713 test_expect_success 'am detects incompatible --show-current-patch' '
 714         test_must_fail git am --show-current-patch=raw --show-current-patch=diff &&
 715         test_must_fail git am --show-current-patch --show-current-patch=diff
 716 '
 717
 718 test_expect_success 'am --skip works' '
 719         echo goodbye >expected &&
 720         git am --skip &&
 721         test_path_is_missing .git/rebase-apply &&
 722         git diff --exit-code lorem2^^ -- file &&
 723         test_cmp expected another
 724 '
 725
 726 test_expect_success 'am --abort removes a stray directory' '
 727         mkdir .git/rebase-apply &&
 728         git am --abort &&
 729         test_path_is_missing .git/rebase-apply
 730 '
 731
 732 test_expect_success 'am refuses patches when paused' '
 733         rm -fr .git/rebase-apply &&
 734         git reset --hard &&
 735         git checkout lorem2^^ &&
 736
 737         test_must_fail git am lorem-move.patch &&
 738         test_path_is_dir .git/rebase-apply &&
 739         test_cmp_rev lorem2^^ HEAD &&
 740
 741         test_must_fail git am <lorem-move.patch &&
 742         test_path_is_dir .git/rebase-apply &&
 743         test_cmp_rev lorem2^^ HEAD
 744 '
 745
 746 test_expect_success 'am --resolved works' '
 747         echo goodbye >expected &&
 748         rm -fr .git/rebase-apply &&
 749         git reset --hard &&
 750         git checkout lorem2^^ &&
 751         test_must_fail git am lorem-move.patch &&
 752         test -d .git/rebase-apply &&
 753         echo resolved >>file &&
 754         git add file &&
 755         git am --resolved &&
 756         test_path_is_missing .git/rebase-apply &&
 757         test_cmp expected another
 758 '
 759
 760 test_expect_success 'am --resolved fails if index has no changes' '
 761         rm -fr .git/rebase-apply &&
 762         git reset --hard &&
 763         git checkout lorem2^^ &&
 764         test_must_fail git am lorem-move.patch &&
 765         test_path_is_dir .git/rebase-apply &&
 766         test_cmp_rev lorem2^^ HEAD &&
 767         test_must_fail git am --resolved &&
 768         test_path_is_dir .git/rebase-apply &&
 769         test_cmp_rev lorem2^^ HEAD
 770 '
 771
 772 test_expect_success 'am --resolved fails if index has unmerged entries' '
 773         rm -fr .git/rebase-apply &&
 774         git reset --hard &&
 775         git checkout second &&
 776         test_must_fail git am -3 lorem-move.patch &&
 777         test_path_is_dir .git/rebase-apply &&
 778         test_cmp_rev second HEAD &&
 779         test_must_fail git am --resolved >err &&
 780         test_path_is_dir .git/rebase-apply &&
 781         test_cmp_rev second HEAD &&
 782         test_grep "still have unmerged paths" err
 783 '
 784
 785 test_expect_success 'am takes patches from a Pine mailbox' '
 786         rm -fr .git/rebase-apply &&
 787         git reset --hard &&
 788         git checkout first &&
 789         cat pine patch1 | git am &&
 790         test_path_is_missing .git/rebase-apply &&
 791         git diff --exit-code main^..HEAD
 792 '
 793
 794 test_expect_success 'am fails on mail without patch' '
 795         rm -fr .git/rebase-apply &&
 796         git reset --hard &&
 797         test_must_fail git am <failmail &&
 798         git am --abort &&
 799         test_path_is_missing .git/rebase-apply
 800 '
 801
 802 test_expect_success 'am fails on empty patch' '
 803         rm -fr .git/rebase-apply &&
 804         git reset --hard &&
 805         echo "---" >>failmail &&
 806         test_must_fail git am <failmail &&
 807         git am --skip &&
 808         test_path_is_missing .git/rebase-apply
 809 '
 810
 811 test_expect_success 'am works from stdin in subdirectory' '
 812         rm -fr subdir &&
 813         rm -fr .git/rebase-apply &&
 814         git reset --hard &&
 815         git checkout first &&
 816         (
 817                 mkdir -p subdir &&
 818                 cd subdir &&
 819                 git am <../patch1
 820         ) &&
 821         git diff --exit-code second
 822 '
 823
 824 test_expect_success 'am works from file (relative path given) in subdirectory' '
 825         rm -fr subdir &&
 826         rm -fr .git/rebase-apply &&
 827         git reset --hard &&
 828         git checkout first &&
 829         (
 830                 mkdir -p subdir &&
 831                 cd subdir &&
 832                 git am ../patch1
 833         ) &&
 834         git diff --exit-code second
 835 '
 836
 837 test_expect_success 'am works from file (absolute path given) in subdirectory' '
 838         rm -fr subdir &&
 839         rm -fr .git/rebase-apply &&
 840         git reset --hard &&
 841         git checkout first &&
 842         P=$(pwd) &&
 843         (
 844                 mkdir -p subdir &&
 845                 cd subdir &&
 846                 git am "$P/patch1"
 847         ) &&
 848         git diff --exit-code second
 849 '
 850
 851 test_expect_success 'am --committer-date-is-author-date' '
 852         rm -fr .git/rebase-apply &&
 853         git reset --hard &&
 854         git checkout first &&
 855         test_tick &&
 856         git am --committer-date-is-author-date patch1 &&
 857         git cat-file commit HEAD | sed -e "/^\$/q" >head1 &&
 858         sed -ne "/^author /s/.*> //p" head1 >at &&
 859         sed -ne "/^committer /s/.*> //p" head1 >ct &&
 860         test_cmp at ct
 861 '
 862
 863 test_expect_success 'am without --committer-date-is-author-date' '
 864         rm -fr .git/rebase-apply &&
 865         git reset --hard &&
 866         git checkout first &&
 867         test_tick &&
 868         git am patch1 &&
 869         git cat-file commit HEAD | sed -e "/^\$/q" >head1 &&
 870         sed -ne "/^author /s/.*> //p" head1 >at &&
 871         sed -ne "/^committer /s/.*> //p" head1 >ct &&
 872         ! test_cmp at ct
 873 '
 874
 875 # This checks for +0000 because TZ is set to UTC and that should
 876 # show up when the current time is used. The date in message is set
 877 # by test_tick that uses -0700 timezone; if this feature does not
 878 # work, we will see that instead of +0000.
 879 test_expect_success 'am --ignore-date' '
 880         rm -fr .git/rebase-apply &&
 881         git reset --hard &&
 882         git checkout first &&
 883         test_tick &&
 884         git am --ignore-date patch1 &&
 885         git cat-file commit HEAD | sed -e "/^\$/q" >head1 &&
 886         sed -ne "/^author /s/.*> //p" head1 >at &&
 887         grep "+0000" at
 888 '
 889
 890 test_expect_success 'am into an unborn branch' '
 891         git rev-parse first^{tree} >expected &&
 892         rm -fr .git/rebase-apply &&
 893         git reset --hard &&
 894         rm -fr subdir &&
 895         mkdir subdir &&
 896         git format-patch --numbered-files -o subdir -1 first &&
 897         (
 898                 cd subdir &&
 899                 git init &&
 900                 git am 1
 901         ) &&
 902         (
 903                 cd subdir &&
 904                 git rev-parse HEAD^{tree} >../actual
 905         ) &&
 906         test_cmp expected actual
 907 '
 908
 909 test_expect_success 'am newline in subject' '
 910         rm -fr .git/rebase-apply &&
 911         git reset --hard &&
 912         git checkout first &&
 913         test_tick &&
 914         sed -e "s/second/second \\\n foo/" patch1 >patchnl &&
 915         git am <patchnl >output.out 2>&1 &&
 916         test_grep "^Applying: second \\\n foo$" output.out
 917 '
 918
 919 test_expect_success 'am -q is quiet' '
 920         rm -fr .git/rebase-apply &&
 921         git reset --hard &&
 922         git checkout first &&
 923         test_tick &&
 924         git am -q <patch1 >output.out 2>&1 &&
 925         test_must_be_empty output.out
 926 '
 927
 928 test_expect_success 'am empty-file does not infloop' '
 929         rm -fr .git/rebase-apply &&
 930         git reset --hard &&
 931         touch empty-file &&
 932         test_tick &&
 933         test_must_fail git am empty-file 2>actual &&
 934         echo Patch format detection failed. >expected &&
 935         test_cmp expected actual
 936 '
 937
 938 test_expect_success 'am --message-id really adds the message id' '
 939         rm -fr .git/rebase-apply &&
 940         git reset --hard &&
 941         git checkout HEAD^ &&
 942         git am --message-id patch1.eml &&
 943         test_path_is_missing .git/rebase-apply &&
 944         git cat-file commit HEAD | tail -n1 >actual &&
 945         grep Message-ID patch1.eml >expected &&
 946         test_cmp expected actual
 947 '
 948
 949 test_expect_success 'am.messageid really adds the message id' '
 950         rm -fr .git/rebase-apply &&
 951         git reset --hard &&
 952         git checkout HEAD^ &&
 953         test_config am.messageid true &&
 954         git am patch1.eml &&
 955         test_path_is_missing .git/rebase-apply &&
 956         git cat-file commit HEAD | tail -n1 >actual &&
 957         grep Message-ID patch1.eml >expected &&
 958         test_cmp expected actual
 959 '
 960
 961 test_expect_success 'am --message-id -s signs off after the message id' '
 962         rm -fr .git/rebase-apply &&
 963         git reset --hard &&
 964         git checkout HEAD^ &&
 965         git am -s --message-id patch1.eml &&
 966         test_path_is_missing .git/rebase-apply &&
 967         git cat-file commit HEAD | tail -n2 | head -n1 >actual &&
 968         grep Message-ID patch1.eml >expected &&
 969         test_cmp expected actual
 970 '
 971
 972 test_expect_success 'am -3 works with rerere' '
 973         rm -fr .git/rebase-apply &&
 974         git reset --hard &&
 975
 976         # make patches one->two and two->three...
 977         test_commit one file &&
 978         test_commit two file &&
 979         test_commit three file &&
 980         git format-patch -2 --stdout >seq.patch &&
 981
 982         # and create a situation that conflicts...
 983         git reset --hard one &&
 984         test_commit other file &&
 985
 986         # enable rerere...
 987         test_config rerere.enabled true &&
 988         test_when_finished "rm -rf .git/rr-cache" &&
 989
 990         # ...and apply. Our resolution is to skip the first
 991         # patch, and the rerere the second one.
 992         test_must_fail git am -3 seq.patch &&
 993         test_must_fail git am --skip &&
 994         echo resolved >file &&
 995         git add file &&
 996         git am --resolved &&
 997
 998         # now apply again, and confirm that rerere engaged (we still
 999         # expect failure from am because rerere does not auto-commit
1000         # for us).
1001         git reset --hard other &&
1002         test_must_fail git am -3 seq.patch &&
1003         test_must_fail git am --skip &&
1004         echo resolved >expect &&
1005         test_cmp expect file
1006 '
1007
1008 test_expect_success 'am -s unexpected trailer block' '
1009         rm -fr .git/rebase-apply &&
1010         git reset --hard &&
1011         echo signed >file &&
1012         git add file &&
1013         cat >msg <<-EOF &&
1014         subject here
1015
1016         Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>
1017         [jc: tweaked log message]
1018         Signed-off-by: J C H <j@c.h>
1019         EOF
1020         git commit -F msg &&
1021         git cat-file commit HEAD | sed -e "1,/^$/d" >original &&
1022         git format-patch --stdout -1 >patch &&
1023
1024         git reset --hard HEAD^ &&
1025         git am -s patch &&
1026         (
1027                 cat original &&
1028                 echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
1029         ) >expect &&
1030         git cat-file commit HEAD | sed -e "1,/^$/d" >actual &&
1031         test_cmp expect actual &&
1032
1033         cat >msg <<-\EOF &&
1034         subject here
1035
1036         We make sure that there is a blank line between the log
1037         message proper and Signed-off-by: line added.
1038         EOF
1039         git reset HEAD^ &&
1040         git commit -F msg file &&
1041         git cat-file commit HEAD | sed -e "1,/^$/d" >original &&
1042         git format-patch --stdout -1 >patch &&
1043
1044         git reset --hard HEAD^ &&
1045         git am -s patch &&
1046
1047         (
1048                 cat original &&
1049                 echo &&
1050                 echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
1051         ) >expect &&
1052         git cat-file commit HEAD | sed -e "1,/^$/d" >actual &&
1053         test_cmp expect actual
1054 '
1055
1056 test_expect_success 'am --patch-format=mboxrd handles mboxrd' '
1057         rm -fr .git/rebase-apply &&
1058         git checkout -f first &&
1059         echo mboxrd >>file &&
1060         git add file &&
1061         cat >msg <<-\INPUT_END &&
1062         mboxrd should escape the body
1063
1064         From could trip up a loose mbox parser
1065         >From extra escape for reversibility
1066         INPUT_END
1067         git commit -F msg &&
1068         git -c format.mboxrd format-patch --stdout -1 >mboxrd1 &&
1069         grep "^>From could trip up a loose mbox parser" mboxrd1 &&
1070         git checkout -f first &&
1071         git am --patch-format=mboxrd mboxrd1 &&
1072         git cat-file commit HEAD | tail -n4 >out &&
1073         test_cmp msg out
1074 '
1075
1076 test_expect_success 'am works with multi-line in-body headers' '
1077         FORTY="String that has a length of more than forty characters" &&
1078         LONG="$FORTY $FORTY" &&
1079         rm -fr .git/rebase-apply &&
1080         git checkout -f first &&
1081         echo one >> file &&
1082         git commit -am "$LONG
1083
1084     Body test" --author="$LONG <long@example.com>" &&
1085         git format-patch --stdout -1 >patch &&
1086         # bump from, date, and subject down to in-body header
1087         perl -lpe "
1088                 if (/^From:/) {
1089                         print \"From: x <x\@example.com>\";
1090                         print \"Date: Sat, 1 Jan 2000 00:00:00 +0000\";
1091                         print \"Subject: x\n\";
1092                 }
1093         " patch >msg &&
1094         git checkout HEAD^ &&
1095         git am msg &&
1096         # Ensure that the author and full message are present
1097         git cat-file commit HEAD | grep "^author.*long@example.com" &&
1098         git cat-file commit HEAD | grep "^$LONG$"
1099 '
1100
1101 test_expect_success 'am --quit keeps HEAD where it is' '
1102         mkdir .git/rebase-apply &&
1103         >.git/rebase-apply/last &&
1104         >.git/rebase-apply/next &&
1105         git rev-parse HEAD^ >.git/ORIG_HEAD &&
1106         git rev-parse HEAD >expected &&
1107         git am --quit &&
1108         test_path_is_missing .git/rebase-apply &&
1109         git rev-parse HEAD >actual &&
1110         test_cmp expected actual
1111 '
1112
1113 test_expect_success 'am and .gitattibutes' '
1114         test_create_repo attributes &&
1115         (
1116                 cd attributes &&
1117                 test_commit init &&
1118                 git config filter.test.clean "sed -e '\''s/smudged/clean/g'\''" &&
1119                 git config filter.test.smudge "sed -e '\''s/clean/smudged/g'\''" &&
1120
1121                 test_commit second &&
1122                 git checkout -b test HEAD^ &&
1123
1124                 echo "*.txt filter=test conflict-marker-size=10" >.gitattributes &&
1125                 git add .gitattributes &&
1126                 test_commit third &&
1127
1128                 echo "This text is smudged." >a.txt &&
1129                 git add a.txt &&
1130                 test_commit fourth &&
1131
1132                 git checkout -b removal HEAD^ &&
1133                 git rm .gitattributes &&
1134                 git add -u &&
1135                 test_commit fifth &&
1136                 git cherry-pick test &&
1137
1138                 git checkout -b conflict third &&
1139                 echo "This text is different." >a.txt &&
1140                 git add a.txt &&
1141                 test_commit sixth &&
1142
1143                 git checkout test &&
1144                 git format-patch --stdout main..HEAD >patches &&
1145                 git reset --hard main &&
1146                 git am patches &&
1147                 grep "smudged" a.txt &&
1148
1149                 git checkout removal &&
1150                 git reset --hard &&
1151                 git format-patch --stdout main..HEAD >patches &&
1152                 git reset --hard main &&
1153                 git am patches &&
1154                 grep "clean" a.txt &&
1155
1156                 git checkout conflict &&
1157                 git reset --hard &&
1158                 git format-patch --stdout main..HEAD >patches &&
1159                 git reset --hard fourth &&
1160                 test_must_fail git am -3 patches &&
1161                 grep "<<<<<<<<<<" a.txt
1162         )
1163 '
1164
1165 test_expect_success 'apply binary blob in partial clone' '
1166         printf "\\000" >binary &&
1167         git add binary &&
1168         git commit -m "binary blob" &&
1169         git format-patch --stdout -m HEAD^ >patch &&
1170
1171         test_create_repo server &&
1172         test_config -C server uploadpack.allowfilter 1 &&
1173         test_config -C server uploadpack.allowanysha1inwant 1 &&
1174         git clone --filter=blob:none "file://$(pwd)/server" client &&
1175         test_when_finished "rm -rf client" &&
1176
1177         # Exercise to make sure that it works
1178         git -C client am ../patch
1179 '
1180
1181 test_expect_success 'an empty input file is error regardless of --empty option' '
1182         test_when_finished "git am --abort || :" &&
1183         test_must_fail git am --empty=drop empty.patch 2>actual &&
1184         echo "Patch format detection failed." >expected &&
1185         test_cmp expected actual
1186 '
1187
1188 test_expect_success 'invalid when passing the --empty option alone' '
1189         test_when_finished "git am --abort || :" &&
1190         git checkout empty-commit^ &&
1191         test_must_fail git am --empty empty-commit.patch 2>err &&
1192         echo "error: invalid value for '\''--empty'\'': '\''empty-commit.patch'\''" >expected &&
1193         test_cmp expected err
1194 '
1195
1196 test_expect_success 'a message without a patch is an error (default)' '
1197         test_when_finished "git am --abort || :" &&
1198         test_must_fail git am empty-commit.patch >err &&
1199         grep "Patch is empty" err
1200 '
1201
1202 test_expect_success 'a message without a patch is an error where an explicit "--empty=stop" is given' '
1203         test_when_finished "git am --abort || :" &&
1204         test_must_fail git am --empty=stop empty-commit.patch >err &&
1205         grep "Patch is empty." err
1206 '
1207
1208 test_expect_success 'a message without a patch will be skipped when "--empty=drop" is given' '
1209         git am --empty=drop empty-commit.patch >output &&
1210         git rev-parse empty-commit^ >expected &&
1211         git rev-parse HEAD >actual &&
1212         test_cmp expected actual &&
1213         grep "Skipping: empty commit" output
1214 '
1215
1216 test_expect_success 'record as an empty commit when meeting e-mail message that lacks a patch' '
1217         git am --empty=keep empty-commit.patch >output &&
1218         test_path_is_missing .git/rebase-apply &&
1219         git show empty-commit --format="%B" >expected &&
1220         git show HEAD --format="%B" >actual &&
1221         grep -f actual expected &&
1222         grep "Creating an empty commit: empty commit" output
1223 '
1224
1225 test_expect_success 'skip an empty patch in the middle of an am session' '
1226         git checkout empty-commit^ &&
1227         test_must_fail git am empty-commit.patch >out 2>err &&
1228         grep "Patch is empty." out &&
1229         grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err &&
1230         git am --skip &&
1231         test_path_is_missing .git/rebase-apply &&
1232         git rev-parse empty-commit^ >expected &&
1233         git rev-parse HEAD >actual &&
1234         test_cmp expected actual
1235 '
1236
1237 test_expect_success 'record an empty patch as an empty commit in the middle of an am session' '
1238         git checkout empty-commit^ &&
1239         test_must_fail git am empty-commit.patch >out 2>err &&
1240         grep "Patch is empty." out &&
1241         grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err &&
1242         git am --allow-empty >output &&
1243         grep "No changes - recorded it as an empty commit." output &&
1244         test_path_is_missing .git/rebase-apply &&
1245         git show empty-commit --format="%B" >expected &&
1246         git show HEAD --format="%B" >actual &&
1247         grep -f actual expected
1248 '
1249
1250 test_expect_success 'create an non-empty commit when the index IS changed though "--allow-empty" is given' '
1251         git checkout empty-commit^ &&
1252         test_must_fail git am empty-commit.patch >err &&
1253         : >empty-file &&
1254         git add empty-file &&
1255         git am --allow-empty &&
1256         git show empty-commit --format="%B" >expected &&
1257         git show HEAD --format="%B" >actual &&
1258         grep -f actual expected &&
1259         git diff HEAD^..HEAD --name-only
1260 '
1261
1262 test_expect_success 'cannot create empty commits when there is a clean index due to merge conflicts' '
1263         test_when_finished "git am --abort || :" &&
1264         git rev-parse HEAD >expected &&
1265         test_must_fail git am seq.patch &&
1266         test_must_fail git am --allow-empty >err &&
1267         ! grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err &&
1268         git rev-parse HEAD >actual &&
1269         test_cmp actual expected
1270 '
1271
1272 test_expect_success 'cannot create empty commits when there is unmerged index due to merge conflicts' '
1273         test_when_finished "git am --abort || :" &&
1274         git rev-parse HEAD >expected &&
1275         test_must_fail git am -3 seq.patch &&
1276         test_must_fail git am --allow-empty >err &&
1277         ! grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err &&
1278         git rev-parse HEAD >actual &&
1279         test_cmp actual expected
1280 '
1281
1282 test_done