Andrew's git / gitweb.git / t/t7513-interpret-trailers.sh
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t / t7513-interpret-trailers.shon commit sequencer: break out of loop explicitly (71571cd)
   1#!/bin/sh
   2#
   3# Copyright (c) 2013, 2014 Christian Couder
   4#
   5
   6test_description='git interpret-trailers'
   7
   8. ./test-lib.sh
   9
  10# When we want one trailing space at the end of each line, let's use sed
  11# to make sure that these spaces are not removed by any automatic tool.
  12
  13test_expect_success 'setup' '
  14        : >empty &&
  15        cat >basic_message <<-\EOF &&
  16                subject
  17
  18                body
  19        EOF
  20        cat >complex_message_body <<-\EOF &&
  21                my subject
  22
  23                my body which is long
  24                and contains some special
  25                chars like : = ? !
  26
  27        EOF
  28        sed -e "s/ Z\$/ /" >complex_message_trailers <<-\EOF &&
  29                Fixes: Z
  30                Acked-by: Z
  31                Reviewed-by: Z
  32                Signed-off-by: Z
  33        EOF
  34        cat >basic_patch <<-\EOF
  35                ---
  36                 foo.txt | 2 +-
  37                 1 file changed, 1 insertion(+), 1 deletion(-)
  38
  39                diff --git a/foo.txt b/foo.txt
  40                index 0353767..1d91aa1 100644
  41                --- a/foo.txt
  42                +++ b/foo.txt
  43                @@ -1,3 +1,3 @@
  44
  45                -bar
  46                +baz
  47
  48                --
  49                1.9.rc0.11.ga562ddc
  50
  51        EOF
  52'
  53
  54test_expect_success 'without config' '
  55        sed -e "s/ Z\$/ /" >expected <<-\EOF &&
  56
  57                ack: Peff
  58                Reviewed-by: Z
  59                Acked-by: Johan
  60        EOF
  61        git interpret-trailers --trailer "ack = Peff" --trailer "Reviewed-by" \
  62                --trailer "Acked-by: Johan" empty >actual &&
  63        test_cmp expected actual
  64'
  65
  66test_expect_success 'without config in another order' '
  67        sed -e "s/ Z\$/ /" >expected <<-\EOF &&
  68
  69                Acked-by: Johan
  70                Reviewed-by: Z
  71                ack: Peff
  72        EOF
  73        git interpret-trailers --trailer "Acked-by: Johan" --trailer "Reviewed-by" \
  74                --trailer "ack = Peff" empty >actual &&
  75        test_cmp expected actual
  76'
  77
  78test_expect_success '--trim-empty without config' '
  79        cat >expected <<-\EOF &&
  80
  81                ack: Peff
  82                Acked-by: Johan
  83        EOF
  84        git interpret-trailers --trim-empty --trailer ack=Peff \
  85                --trailer "Reviewed-by" --trailer "Acked-by: Johan" \
  86                --trailer "sob:" empty >actual &&
  87        test_cmp expected actual
  88'
  89
  90test_expect_success 'with config option on the command line' '
  91        cat >expected <<-\EOF &&
  92
  93                Acked-by: Johan
  94                Reviewed-by: Peff
  95        EOF
  96        { echo; echo "Acked-by: Johan"; } |
  97        git -c "trailer.Acked-by.ifexists=addifdifferent" interpret-trailers \
  98                --trailer "Reviewed-by: Peff" --trailer "Acked-by: Johan" >actual &&
  99        test_cmp expected actual
 100'
 101
 102test_expect_success 'with only a title in the message' '
 103        cat >expected <<-\EOF &&
 104                area: change
 105
 106                Reviewed-by: Peff
 107                Acked-by: Johan
 108        EOF
 109        echo "area: change" |
 110        git interpret-trailers --trailer "Reviewed-by: Peff" \
 111                --trailer "Acked-by: Johan" >actual &&
 112        test_cmp expected actual
 113'
 114
 115test_expect_success 'with multiline title in the message' '
 116        cat >expected <<-\EOF &&
 117                place of
 118                code: change
 119
 120                Reviewed-by: Peff
 121                Acked-by: Johan
 122        EOF
 123        printf "%s\n" "place of" "code: change" |
 124        git interpret-trailers --trailer "Reviewed-by: Peff" \
 125                --trailer "Acked-by: Johan" >actual &&
 126        test_cmp expected actual
 127'
 128
 129test_expect_success 'with non-trailer lines mixed with Signed-off-by' '
 130        cat >patch <<-\EOF &&
 131
 132                this is not a trailer
 133                this is not a trailer
 134                Signed-off-by: a <a@example.com>
 135                this is not a trailer
 136        EOF
 137        cat >expected <<-\EOF &&
 138
 139                this is not a trailer
 140                this is not a trailer
 141                Signed-off-by: a <a@example.com>
 142                this is not a trailer
 143                token: value
 144        EOF
 145        git interpret-trailers --trailer "token: value" patch >actual &&
 146        test_cmp expected actual
 147'
 148
 149test_expect_success 'with non-trailer lines mixed with cherry picked from' '
 150        cat >patch <<-\EOF &&
 151
 152                this is not a trailer
 153                this is not a trailer
 154                (cherry picked from commit x)
 155                this is not a trailer
 156        EOF
 157        cat >expected <<-\EOF &&
 158
 159                this is not a trailer
 160                this is not a trailer
 161                (cherry picked from commit x)
 162                this is not a trailer
 163                token: value
 164        EOF
 165        git interpret-trailers --trailer "token: value" patch >actual &&
 166        test_cmp expected actual
 167'
 168
 169test_expect_success 'with non-trailer lines mixed with a configured trailer' '
 170        cat >patch <<-\EOF &&
 171
 172                this is not a trailer
 173                this is not a trailer
 174                My-trailer: x
 175                this is not a trailer
 176        EOF
 177        cat >expected <<-\EOF &&
 178
 179                this is not a trailer
 180                this is not a trailer
 181                My-trailer: x
 182                this is not a trailer
 183                token: value
 184        EOF
 185        test_config trailer.my.key "My-trailer: " &&
 186        git interpret-trailers --trailer "token: value" patch >actual &&
 187        test_cmp expected actual
 188'
 189
 190test_expect_success 'with non-trailer lines mixed with a non-configured trailer' '
 191        cat >patch <<-\EOF &&
 192
 193                this is not a trailer
 194                this is not a trailer
 195                I-am-not-configured: x
 196                this is not a trailer
 197        EOF
 198        cat >expected <<-\EOF &&
 199
 200                this is not a trailer
 201                this is not a trailer
 202                I-am-not-configured: x
 203                this is not a trailer
 204
 205                token: value
 206        EOF
 207        test_config trailer.my.key "My-trailer: " &&
 208        git interpret-trailers --trailer "token: value" patch >actual &&
 209        test_cmp expected actual
 210'
 211
 212test_expect_success 'with all non-configured trailers' '
 213        cat >patch <<-\EOF &&
 214
 215                I-am-not-configured: x
 216                I-am-also-not-configured: x
 217        EOF
 218        cat >expected <<-\EOF &&
 219
 220                I-am-not-configured: x
 221                I-am-also-not-configured: x
 222                token: value
 223        EOF
 224        test_config trailer.my.key "My-trailer: " &&
 225        git interpret-trailers --trailer "token: value" patch >actual &&
 226        test_cmp expected actual
 227'
 228
 229test_expect_success 'with non-trailer lines only' '
 230        cat >patch <<-\EOF &&
 231
 232                this is not a trailer
 233        EOF
 234        cat >expected <<-\EOF &&
 235
 236                this is not a trailer
 237
 238                token: value
 239        EOF
 240        git interpret-trailers --trailer "token: value" patch >actual &&
 241        test_cmp expected actual
 242'
 243
 244test_expect_success 'line with leading whitespace is not trailer' '
 245        q_to_tab >patch <<-\EOF &&
 246
 247                Qtoken: value
 248        EOF
 249        q_to_tab >expected <<-\EOF &&
 250
 251                Qtoken: value
 252
 253                token: value
 254        EOF
 255        git interpret-trailers --trailer "token: value" patch >actual &&
 256        test_cmp expected actual
 257'
 258
 259test_expect_success 'multiline field treated as one trailer for 25% check' '
 260        q_to_tab >patch <<-\EOF &&
 261
 262                Signed-off-by: a <a@example.com>
 263                name: value on
 264                Qmultiple lines
 265                this is not a trailer
 266                this is not a trailer
 267                this is not a trailer
 268                this is not a trailer
 269                this is not a trailer
 270                this is not a trailer
 271        EOF
 272        q_to_tab >expected <<-\EOF &&
 273
 274                Signed-off-by: a <a@example.com>
 275                name: value on
 276                Qmultiple lines
 277                this is not a trailer
 278                this is not a trailer
 279                this is not a trailer
 280                this is not a trailer
 281                this is not a trailer
 282                this is not a trailer
 283                name: value
 284        EOF
 285        git interpret-trailers --trailer "name: value" patch >actual &&
 286        test_cmp expected actual
 287'
 288
 289test_expect_success 'multiline field treated as atomic for placement' '
 290        q_to_tab >patch <<-\EOF &&
 291
 292                another: trailer
 293                name: value on
 294                Qmultiple lines
 295                another: trailer
 296        EOF
 297        q_to_tab >expected <<-\EOF &&
 298
 299                another: trailer
 300                name: value on
 301                Qmultiple lines
 302                name: value
 303                another: trailer
 304        EOF
 305        test_config trailer.name.where after &&
 306        git interpret-trailers --trailer "name: value" patch >actual &&
 307        test_cmp expected actual
 308'
 309
 310test_expect_success 'multiline field treated as atomic for replacement' '
 311        q_to_tab >patch <<-\EOF &&
 312
 313                another: trailer
 314                name: value on
 315                Qmultiple lines
 316                another: trailer
 317        EOF
 318        q_to_tab >expected <<-\EOF &&
 319
 320                another: trailer
 321                another: trailer
 322                name: value
 323        EOF
 324        test_config trailer.name.ifexists replace &&
 325        git interpret-trailers --trailer "name: value" patch >actual &&
 326        test_cmp expected actual
 327'
 328
 329test_expect_success 'multiline field treated as atomic for difference check' '
 330        q_to_tab >patch <<-\EOF &&
 331
 332                another: trailer
 333                name: first line
 334                Qsecond line
 335                another: trailer
 336        EOF
 337        test_config trailer.name.ifexists addIfDifferent &&
 338
 339        q_to_tab >trailer <<-\EOF &&
 340                name: first line
 341                Qsecond line
 342        EOF
 343        q_to_tab >expected <<-\EOF &&
 344
 345                another: trailer
 346                name: first line
 347                Qsecond line
 348                another: trailer
 349        EOF
 350        git interpret-trailers --trailer "$(cat trailer)" patch >actual &&
 351        test_cmp expected actual &&
 352
 353        q_to_tab >trailer <<-\EOF &&
 354                name: first line
 355                QQQQQsecond line
 356        EOF
 357        q_to_tab >expected <<-\EOF &&
 358
 359                another: trailer
 360                name: first line
 361                Qsecond line
 362                another: trailer
 363                name: first line
 364                QQQQQsecond line
 365        EOF
 366        git interpret-trailers --trailer "$(cat trailer)" patch >actual &&
 367        test_cmp expected actual &&
 368
 369        q_to_tab >trailer <<-\EOF &&
 370                name: first line *DIFFERENT*
 371                Qsecond line
 372        EOF
 373        q_to_tab >expected <<-\EOF &&
 374
 375                another: trailer
 376                name: first line
 377                Qsecond line
 378                another: trailer
 379                name: first line *DIFFERENT*
 380                Qsecond line
 381        EOF
 382        git interpret-trailers --trailer "$(cat trailer)" patch >actual &&
 383        test_cmp expected actual
 384'
 385
 386test_expect_success 'multiline field treated as atomic for neighbor check' '
 387        q_to_tab >patch <<-\EOF &&
 388
 389                another: trailer
 390                name: first line
 391                Qsecond line
 392                another: trailer
 393        EOF
 394        test_config trailer.name.where after &&
 395        test_config trailer.name.ifexists addIfDifferentNeighbor &&
 396
 397        q_to_tab >trailer <<-\EOF &&
 398                name: first line
 399                Qsecond line
 400        EOF
 401        q_to_tab >expected <<-\EOF &&
 402
 403                another: trailer
 404                name: first line
 405                Qsecond line
 406                another: trailer
 407        EOF
 408        git interpret-trailers --trailer "$(cat trailer)" patch >actual &&
 409        test_cmp expected actual &&
 410
 411        q_to_tab >trailer <<-\EOF &&
 412                name: first line
 413                QQQQQsecond line
 414        EOF
 415        q_to_tab >expected <<-\EOF &&
 416
 417                another: trailer
 418                name: first line
 419                Qsecond line
 420                name: first line
 421                QQQQQsecond line
 422                another: trailer
 423        EOF
 424        git interpret-trailers --trailer "$(cat trailer)" patch >actual &&
 425        test_cmp expected actual
 426'
 427
 428test_expect_success 'with config setup' '
 429        git config trailer.ack.key "Acked-by: " &&
 430        cat >expected <<-\EOF &&
 431
 432                Acked-by: Peff
 433        EOF
 434        git interpret-trailers --trim-empty --trailer "ack = Peff" empty >actual &&
 435        test_cmp expected actual &&
 436        git interpret-trailers --trim-empty --trailer "Acked-by = Peff" empty >actual &&
 437        test_cmp expected actual &&
 438        git interpret-trailers --trim-empty --trailer "Acked-by :Peff" empty >actual &&
 439        test_cmp expected actual
 440'
 441
 442test_expect_success 'with config setup and ":=" as separators' '
 443        git config trailer.separators ":=" &&
 444        git config trailer.ack.key "Acked-by= " &&
 445        cat >expected <<-\EOF &&
 446
 447                Acked-by= Peff
 448        EOF
 449        git interpret-trailers --trim-empty --trailer "ack = Peff" empty >actual &&
 450        test_cmp expected actual &&
 451        git interpret-trailers --trim-empty --trailer "Acked-by= Peff" empty >actual &&
 452        test_cmp expected actual &&
 453        git interpret-trailers --trim-empty --trailer "Acked-by : Peff" empty >actual &&
 454        test_cmp expected actual
 455'
 456
 457test_expect_success 'with config setup and "%" as separators' '
 458        git config trailer.separators "%" &&
 459        cat >expected <<-\EOF &&
 460
 461                bug% 42
 462                count% 10
 463                bug% 422
 464        EOF
 465        git interpret-trailers --trim-empty --trailer "bug = 42" \
 466                --trailer count%10 --trailer "test: stuff" \
 467                --trailer "bug % 422" empty >actual &&
 468        test_cmp expected actual
 469'
 470
 471test_expect_success 'with "%" as separators and a message with trailers' '
 472        cat >special_message <<-\EOF &&
 473                Special Message
 474
 475                bug% 42
 476                count% 10
 477                bug% 422
 478        EOF
 479        cat >expected <<-\EOF &&
 480                Special Message
 481
 482                bug% 42
 483                count% 10
 484                bug% 422
 485                count% 100
 486        EOF
 487        git interpret-trailers --trailer count%100 \
 488                special_message >actual &&
 489        test_cmp expected actual
 490'
 491
 492test_expect_success 'with config setup and ":=#" as separators' '
 493        git config trailer.separators ":=#" &&
 494        git config trailer.bug.key "Bug #" &&
 495        cat >expected <<-\EOF &&
 496
 497                Bug #42
 498        EOF
 499        git interpret-trailers --trim-empty --trailer "bug = 42" empty >actual &&
 500        test_cmp expected actual
 501'
 502
 503test_expect_success 'with commit basic message' '
 504        cat basic_message >expected &&
 505        echo >>expected &&
 506        git interpret-trailers <basic_message >actual &&
 507        test_cmp expected actual
 508'
 509
 510test_expect_success 'with basic patch' '
 511        cat basic_message >input &&
 512        cat basic_patch >>input &&
 513        cat basic_message >expected &&
 514        echo >>expected &&
 515        cat basic_patch >>expected &&
 516        git interpret-trailers <input >actual &&
 517        test_cmp expected actual
 518'
 519
 520test_expect_success 'with commit complex message as argument' '
 521        cat complex_message_body complex_message_trailers >complex_message &&
 522        cat complex_message_body >expected &&
 523        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 524                Fixes: Z
 525                Acked-by= Z
 526                Reviewed-by: Z
 527                Signed-off-by: Z
 528        EOF
 529        git interpret-trailers complex_message >actual &&
 530        test_cmp expected actual
 531'
 532
 533test_expect_success 'with 2 files arguments' '
 534        cat basic_message >>expected &&
 535        echo >>expected &&
 536        cat basic_patch >>expected &&
 537        git interpret-trailers complex_message input >actual &&
 538        test_cmp expected actual
 539'
 540
 541test_expect_success 'with message that has comments' '
 542        cat basic_message >message_with_comments &&
 543        sed -e "s/ Z\$/ /" >>message_with_comments <<-\EOF &&
 544                # comment
 545
 546                # other comment
 547                Cc: Z
 548                # yet another comment
 549                Reviewed-by: Johan
 550                Reviewed-by: Z
 551                # last comment
 552
 553        EOF
 554        cat basic_patch >>message_with_comments &&
 555        cat basic_message >expected &&
 556        cat >>expected <<-\EOF &&
 557                # comment
 558
 559                Reviewed-by: Johan
 560                Cc: Peff
 561                # last comment
 562
 563        EOF
 564        cat basic_patch >>expected &&
 565        git interpret-trailers --trim-empty --trailer "Cc: Peff" message_with_comments >actual &&
 566        test_cmp expected actual
 567'
 568
 569test_expect_success 'with message that has an old style conflict block' '
 570        cat basic_message >message_with_comments &&
 571        sed -e "s/ Z\$/ /" >>message_with_comments <<-\EOF &&
 572                # comment
 573
 574                # other comment
 575                Cc: Z
 576                # yet another comment
 577                Reviewed-by: Johan
 578                Reviewed-by: Z
 579                # last comment
 580
 581                Conflicts:
 582
 583        EOF
 584        cat basic_message >expected &&
 585        cat >>expected <<-\EOF &&
 586                # comment
 587
 588                Reviewed-by: Johan
 589                Cc: Peff
 590                # last comment
 591
 592                Conflicts:
 593
 594        EOF
 595        git interpret-trailers --trim-empty --trailer "Cc: Peff" message_with_comments >actual &&
 596        test_cmp expected actual
 597'
 598
 599test_expect_success 'with commit complex message and trailer args' '
 600        cat complex_message_body >expected &&
 601        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 602                Fixes: Z
 603                Acked-by= Z
 604                Reviewed-by: Z
 605                Signed-off-by: Z
 606                Acked-by= Peff
 607                Bug #42
 608        EOF
 609        git interpret-trailers --trailer "ack: Peff" \
 610                --trailer "bug: 42" <complex_message >actual &&
 611        test_cmp expected actual
 612'
 613
 614test_expect_success 'with complex patch, args and --trim-empty' '
 615        cat complex_message >complex_patch &&
 616        cat basic_patch >>complex_patch &&
 617        cat complex_message_body >expected &&
 618        cat >>expected <<-\EOF &&
 619                Acked-by= Peff
 620                Bug #42
 621        EOF
 622        cat basic_patch >>expected &&
 623        git interpret-trailers --trim-empty --trailer "ack: Peff" \
 624                --trailer "bug: 42" <complex_patch >actual &&
 625        test_cmp expected actual
 626'
 627
 628test_expect_success 'in-place editing with basic patch' '
 629        cat basic_message >message &&
 630        cat basic_patch >>message &&
 631        cat basic_message >expected &&
 632        echo >>expected &&
 633        cat basic_patch >>expected &&
 634        git interpret-trailers --in-place message &&
 635        test_cmp expected message
 636'
 637
 638test_expect_success 'in-place editing with additional trailer' '
 639        cat basic_message >message &&
 640        cat basic_patch >>message &&
 641        cat basic_message >expected &&
 642        echo >>expected &&
 643        cat >>expected <<-\EOF &&
 644                Reviewed-by: Alice
 645        EOF
 646        cat basic_patch >>expected &&
 647        git interpret-trailers --trailer "Reviewed-by: Alice" --in-place message &&
 648        test_cmp expected message
 649'
 650
 651test_expect_success 'in-place editing on stdin disallowed' '
 652        test_must_fail git interpret-trailers --trailer "Reviewed-by: Alice" --in-place < basic_message
 653'
 654
 655test_expect_success 'in-place editing on non-existing file' '
 656        test_must_fail git interpret-trailers --trailer "Reviewed-by: Alice" --in-place nonexisting &&
 657        test_path_is_missing nonexisting
 658'
 659
 660test_expect_success POSIXPERM,SANITY "in-place editing doesn't clobber original file on error" '
 661        cat basic_message >message &&
 662        chmod -r message &&
 663        test_must_fail git interpret-trailers --trailer "Reviewed-by: Alice" --in-place message &&
 664        chmod +r message &&
 665        test_cmp message basic_message
 666'
 667
 668test_expect_success 'using "where = before"' '
 669        git config trailer.bug.where "before" &&
 670        cat complex_message_body >expected &&
 671        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 672                Bug #42
 673                Fixes: Z
 674                Acked-by= Z
 675                Reviewed-by: Z
 676                Signed-off-by: Z
 677                Acked-by= Peff
 678        EOF
 679        git interpret-trailers --trailer "ack: Peff" \
 680                --trailer "bug: 42" complex_message >actual &&
 681        test_cmp expected actual
 682'
 683
 684test_expect_success 'overriding configuration with "--where after"' '
 685        git config trailer.ack.where "before" &&
 686        cat complex_message_body >expected &&
 687        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 688                Fixes: Z
 689                Acked-by= Z
 690                Acked-by= Peff
 691                Reviewed-by: Z
 692                Signed-off-by: Z
 693        EOF
 694        git interpret-trailers --where after --trailer "ack: Peff" \
 695                complex_message >actual &&
 696        test_cmp expected actual
 697'
 698
 699test_expect_success 'using "where = before" with "--no-where"' '
 700        cat complex_message_body >expected &&
 701        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 702                Bug #42
 703                Fixes: Z
 704                Acked-by= Peff
 705                Acked-by= Z
 706                Reviewed-by: Z
 707                Signed-off-by: Z
 708        EOF
 709        git interpret-trailers --where after --no-where --trailer "ack: Peff" \
 710                --trailer "bug: 42" complex_message >actual &&
 711        test_cmp expected actual
 712'
 713
 714test_expect_success 'using "where = after"' '
 715        git config trailer.ack.where "after" &&
 716        cat complex_message_body >expected &&
 717        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 718                Bug #42
 719                Fixes: Z
 720                Acked-by= Z
 721                Acked-by= Peff
 722                Reviewed-by: Z
 723                Signed-off-by: Z
 724        EOF
 725        git interpret-trailers --trailer "ack: Peff" \
 726                --trailer "bug: 42" complex_message >actual &&
 727        test_cmp expected actual
 728'
 729
 730test_expect_success 'using "where = end"' '
 731        git config trailer.review.key "Reviewed-by" &&
 732        git config trailer.review.where "end" &&
 733        cat complex_message_body >expected &&
 734        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 735                Fixes: Z
 736                Acked-by= Z
 737                Acked-by= Peff
 738                Reviewed-by: Z
 739                Signed-off-by: Z
 740                Reviewed-by: Junio
 741                Reviewed-by: Johannes
 742        EOF
 743        git interpret-trailers --trailer "ack: Peff" \
 744                --trailer "Reviewed-by: Junio" --trailer "Reviewed-by: Johannes" \
 745                complex_message >actual &&
 746        test_cmp expected actual
 747'
 748
 749test_expect_success 'using "where = start"' '
 750        git config trailer.review.key "Reviewed-by" &&
 751        git config trailer.review.where "start" &&
 752        cat complex_message_body >expected &&
 753        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 754                Reviewed-by: Johannes
 755                Reviewed-by: Junio
 756                Fixes: Z
 757                Acked-by= Z
 758                Acked-by= Peff
 759                Reviewed-by: Z
 760                Signed-off-by: Z
 761        EOF
 762        git interpret-trailers --trailer "ack: Peff" \
 763                --trailer "Reviewed-by: Junio" --trailer "Reviewed-by: Johannes" \
 764                complex_message >actual &&
 765        test_cmp expected actual
 766'
 767
 768test_expect_success 'using "where = before" for a token in the middle of the message' '
 769        git config trailer.review.key "Reviewed-by:" &&
 770        git config trailer.review.where "before" &&
 771        cat complex_message_body >expected &&
 772        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 773                Bug #42
 774                Fixes: Z
 775                Acked-by= Z
 776                Acked-by= Peff
 777                Reviewed-by:Johan
 778                Reviewed-by:
 779                Signed-off-by: Z
 780        EOF
 781        git interpret-trailers --trailer "ack: Peff" --trailer "bug: 42" \
 782                --trailer "review: Johan" <complex_message >actual &&
 783        test_cmp expected actual
 784'
 785
 786test_expect_success 'using "where = before" and --trim-empty' '
 787        cat complex_message_body >expected &&
 788        cat >>expected <<-\EOF &&
 789                Bug #46
 790                Bug #42
 791                Acked-by= Peff
 792                Reviewed-by:Johan
 793        EOF
 794        git interpret-trailers --trim-empty --trailer "ack: Peff" \
 795                --trailer "bug: 42" --trailer "review: Johan" \
 796                --trailer "Bug: 46" <complex_message >actual &&
 797        test_cmp expected actual
 798'
 799
 800test_expect_success 'the default is "ifExists = addIfDifferentNeighbor"' '
 801        cat complex_message_body >expected &&
 802        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 803                Bug #42
 804                Fixes: Z
 805                Acked-by= Z
 806                Acked-by= Peff
 807                Acked-by= Junio
 808                Acked-by= Peff
 809                Reviewed-by:
 810                Signed-off-by: Z
 811        EOF
 812        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 813                --trailer "ack: Junio" --trailer "bug: 42" --trailer "ack: Peff" \
 814                --trailer "ack: Peff" <complex_message >actual &&
 815        test_cmp expected actual
 816'
 817
 818test_expect_success 'default "ifExists" is now "addIfDifferent"' '
 819        git config trailer.ifexists "addIfDifferent" &&
 820        cat complex_message_body >expected &&
 821        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 822                Bug #42
 823                Fixes: Z
 824                Acked-by= Z
 825                Acked-by= Peff
 826                Acked-by= Junio
 827                Reviewed-by:
 828                Signed-off-by: Z
 829        EOF
 830        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 831                --trailer "ack: Junio" --trailer "bug: 42" --trailer "ack: Peff" \
 832                --trailer "ack: Peff" <complex_message >actual &&
 833        test_cmp expected actual
 834'
 835
 836test_expect_success 'using "ifExists = addIfDifferent" with "where = end"' '
 837        git config trailer.ack.ifExists "addIfDifferent" &&
 838        git config trailer.ack.where "end" &&
 839        cat complex_message_body >expected &&
 840        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 841                Bug #42
 842                Fixes: Z
 843                Acked-by= Z
 844                Reviewed-by:
 845                Signed-off-by: Z
 846                Acked-by= Peff
 847        EOF
 848        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 849                --trailer "bug: 42" --trailer "ack: Peff" \
 850                <complex_message >actual &&
 851        test_cmp expected actual
 852'
 853
 854test_expect_success 'using "ifExists = addIfDifferent" with "where = before"' '
 855        git config trailer.ack.ifExists "addIfDifferent" &&
 856        git config trailer.ack.where "before" &&
 857        cat complex_message_body >expected &&
 858        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 859                Bug #42
 860                Fixes: Z
 861                Acked-by= Peff
 862                Acked-by= Z
 863                Reviewed-by:
 864                Signed-off-by: Z
 865        EOF
 866        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 867                --trailer "bug: 42" --trailer "ack: Peff" \
 868                <complex_message >actual &&
 869        test_cmp expected actual
 870'
 871
 872test_expect_success 'using "ifExists = addIfDifferentNeighbor" with "where = end"' '
 873        git config trailer.ack.ifExists "addIfDifferentNeighbor" &&
 874        git config trailer.ack.where "end" &&
 875        cat complex_message_body >expected &&
 876        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 877                Bug #42
 878                Fixes: Z
 879                Acked-by= Z
 880                Reviewed-by:
 881                Signed-off-by: Z
 882                Acked-by= Peff
 883                Acked-by= Junio
 884                Tested-by: Jakub
 885                Acked-by= Junio
 886                Acked-by= Peff
 887        EOF
 888        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 889                --trailer "ack: Junio" --trailer "bug: 42" \
 890                --trailer "Tested-by: Jakub" --trailer "ack: Junio" \
 891                --trailer "ack: Junio" --trailer "ack: Peff" <complex_message >actual &&
 892        test_cmp expected actual
 893'
 894
 895test_expect_success 'using "ifExists = addIfDifferentNeighbor"  with "where = after"' '
 896        git config trailer.ack.ifExists "addIfDifferentNeighbor" &&
 897        git config trailer.ack.where "after" &&
 898        cat complex_message_body >expected &&
 899        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 900                Bug #42
 901                Fixes: Z
 902                Acked-by= Z
 903                Acked-by= Peff
 904                Acked-by= Junio
 905                Acked-by= Peff
 906                Reviewed-by:
 907                Signed-off-by: Z
 908                Tested-by: Jakub
 909        EOF
 910        git interpret-trailers --trailer "ack: Peff" --trailer "review:" \
 911                --trailer "ack: Junio" --trailer "bug: 42" \
 912                --trailer "Tested-by: Jakub" --trailer "ack: Junio" \
 913                --trailer "ack: Junio" --trailer "ack: Peff" <complex_message >actual &&
 914        test_cmp expected actual
 915'
 916
 917test_expect_success 'using "ifExists = addIfDifferentNeighbor" and --trim-empty' '
 918        git config trailer.ack.ifExists "addIfDifferentNeighbor" &&
 919        cat complex_message_body >expected &&
 920        cat >>expected <<-\EOF &&
 921                Bug #42
 922                Acked-by= Peff
 923                Acked-by= Junio
 924                Acked-by= Peff
 925        EOF
 926        git interpret-trailers --trim-empty --trailer "ack: Peff" \
 927                --trailer "Acked-by= Peff" --trailer "review:" \
 928                --trailer "ack: Junio" --trailer "bug: 42" \
 929                --trailer "ack: Peff" <complex_message >actual &&
 930        test_cmp expected actual
 931'
 932
 933test_expect_success 'using "ifExists = add" with "where = end"' '
 934        git config trailer.ack.ifExists "add" &&
 935        git config trailer.ack.where "end" &&
 936        cat complex_message_body >expected &&
 937        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 938                Bug #42
 939                Fixes: Z
 940                Acked-by= Z
 941                Reviewed-by:
 942                Signed-off-by: Z
 943                Acked-by= Peff
 944                Acked-by= Peff
 945                Tested-by: Jakub
 946                Acked-by= Junio
 947                Tested-by: Johannes
 948                Acked-by= Peff
 949        EOF
 950        git interpret-trailers --trailer "ack: Peff" \
 951                --trailer "Acked-by= Peff" --trailer "review:" \
 952                --trailer "Tested-by: Jakub" --trailer "ack: Junio" \
 953                --trailer "bug: 42" --trailer "Tested-by: Johannes" \
 954                --trailer "ack: Peff" <complex_message >actual &&
 955        test_cmp expected actual
 956'
 957
 958test_expect_success 'using "ifExists = add" with "where = after"' '
 959        git config trailer.ack.ifExists "add" &&
 960        git config trailer.ack.where "after" &&
 961        cat complex_message_body >expected &&
 962        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 963                Bug #42
 964                Fixes: Z
 965                Acked-by= Z
 966                Acked-by= Peff
 967                Acked-by= Peff
 968                Acked-by= Junio
 969                Acked-by= Peff
 970                Reviewed-by:
 971                Signed-off-by: Z
 972        EOF
 973        git interpret-trailers --trailer "ack: Peff" \
 974                --trailer "Acked-by= Peff" --trailer "review:" \
 975                --trailer "ack: Junio" --trailer "bug: 42" \
 976                --trailer "ack: Peff" <complex_message >actual &&
 977        test_cmp expected actual
 978'
 979
 980test_expect_success 'overriding configuration with "--if-exists replace"' '
 981        git config trailer.fix.key "Fixes: " &&
 982        git config trailer.fix.ifExists "add" &&
 983        cat complex_message_body >expected &&
 984        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
 985                Bug #42
 986                Acked-by= Z
 987                Reviewed-by:
 988                Signed-off-by: Z
 989                Fixes: 22
 990        EOF
 991        git interpret-trailers --if-exists replace --trailer "review:" \
 992                --trailer "fix=53" --trailer "fix=22" --trailer "bug: 42" \
 993                <complex_message >actual &&
 994        test_cmp expected actual
 995'
 996
 997test_expect_success 'using "ifExists = replace"' '
 998        git config trailer.fix.key "Fixes: " &&
 999        git config trailer.fix.ifExists "replace" &&
1000        cat complex_message_body >expected &&
1001        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1002                Bug #42
1003                Acked-by= Z
1004                Acked-by= Junio
1005                Acked-by= Peff
1006                Reviewed-by:
1007                Signed-off-by: Z
1008                Fixes: 22
1009        EOF
1010        git interpret-trailers --trailer "review:" \
1011                --trailer "fix=53" --trailer "ack: Junio" --trailer "fix=22" \
1012                --trailer "bug: 42" --trailer "ack: Peff" \
1013                <complex_message >actual &&
1014        test_cmp expected actual
1015'
1016
1017test_expect_success 'using "ifExists = replace" with "where = after"' '
1018        git config trailer.fix.where "after" &&
1019        cat complex_message_body >expected &&
1020        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1021                Bug #42
1022                Fixes: 22
1023                Acked-by= Z
1024                Acked-by= Junio
1025                Acked-by= Peff
1026                Reviewed-by:
1027                Signed-off-by: Z
1028        EOF
1029        git interpret-trailers --trailer "review:" \
1030                --trailer "fix=53" --trailer "ack: Junio" --trailer "fix=22" \
1031                --trailer "bug: 42" --trailer "ack: Peff" \
1032                <complex_message >actual &&
1033        test_cmp expected actual
1034'
1035
1036test_expect_success 'using "ifExists = doNothing"' '
1037        git config trailer.fix.ifExists "doNothing" &&
1038        cat complex_message_body >expected &&
1039        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1040                Bug #42
1041                Fixes: Z
1042                Acked-by= Z
1043                Acked-by= Junio
1044                Acked-by= Peff
1045                Reviewed-by:
1046                Signed-off-by: Z
1047        EOF
1048        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1049                --trailer "ack: Junio" --trailer "fix=22" \
1050                --trailer "bug: 42" --trailer "ack: Peff" \
1051                <complex_message >actual &&
1052        test_cmp expected actual
1053'
1054
1055test_expect_success 'the default is "ifMissing = add"' '
1056        git config trailer.cc.key "Cc: " &&
1057        git config trailer.cc.where "before" &&
1058        cat complex_message_body >expected &&
1059        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1060                Bug #42
1061                Cc: Linus
1062                Fixes: Z
1063                Acked-by= Z
1064                Acked-by= Junio
1065                Acked-by= Peff
1066                Reviewed-by:
1067                Signed-off-by: Z
1068        EOF
1069        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1070                --trailer "cc=Linus" --trailer "ack: Junio" \
1071                --trailer "fix=22" --trailer "bug: 42" --trailer "ack: Peff" \
1072                <complex_message >actual &&
1073        test_cmp expected actual
1074'
1075
1076test_expect_success 'overriding configuration with "--if-missing doNothing"' '
1077        git config trailer.ifmissing "add" &&
1078        cat complex_message_body >expected &&
1079        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1080                Fixes: Z
1081                Acked-by= Z
1082                Acked-by= Junio
1083                Acked-by= Peff
1084                Reviewed-by:
1085                Signed-off-by: Z
1086        EOF
1087        git interpret-trailers --if-missing doNothing \
1088                --trailer "review:" --trailer "fix=53" \
1089                --trailer "cc=Linus" --trailer "ack: Junio" \
1090                --trailer "fix=22" --trailer "bug: 42" --trailer "ack: Peff" \
1091                <complex_message >actual &&
1092        test_cmp expected actual
1093'
1094
1095test_expect_success 'when default "ifMissing" is "doNothing"' '
1096        git config trailer.ifmissing "doNothing" &&
1097        cat complex_message_body >expected &&
1098        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1099                Fixes: Z
1100                Acked-by= Z
1101                Acked-by= Junio
1102                Acked-by= Peff
1103                Reviewed-by:
1104                Signed-off-by: Z
1105        EOF
1106        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1107                --trailer "cc=Linus" --trailer "ack: Junio" \
1108                --trailer "fix=22" --trailer "bug: 42" --trailer "ack: Peff" \
1109                <complex_message >actual &&
1110        test_cmp expected actual &&
1111        git config trailer.ifmissing "add"
1112'
1113
1114test_expect_success 'using "ifMissing = add" with "where = end"' '
1115        git config trailer.cc.key "Cc: " &&
1116        git config trailer.cc.where "end" &&
1117        git config trailer.cc.ifMissing "add" &&
1118        cat complex_message_body >expected &&
1119        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1120                Bug #42
1121                Fixes: Z
1122                Acked-by= Z
1123                Acked-by= Junio
1124                Acked-by= Peff
1125                Reviewed-by:
1126                Signed-off-by: Z
1127                Cc: Linus
1128        EOF
1129        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1130                --trailer "ack: Junio" --trailer "fix=22" \
1131                --trailer "bug: 42" --trailer "cc=Linus" --trailer "ack: Peff" \
1132                <complex_message >actual &&
1133        test_cmp expected actual
1134'
1135
1136test_expect_success 'using "ifMissing = add" with "where = before"' '
1137        git config trailer.cc.key "Cc: " &&
1138        git config trailer.cc.where "before" &&
1139        git config trailer.cc.ifMissing "add" &&
1140        cat complex_message_body >expected &&
1141        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1142                Cc: Linus
1143                Bug #42
1144                Fixes: Z
1145                Acked-by= Z
1146                Acked-by= Junio
1147                Acked-by= Peff
1148                Reviewed-by:
1149                Signed-off-by: Z
1150        EOF
1151        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1152                --trailer "ack: Junio" --trailer "fix=22" \
1153                --trailer "bug: 42" --trailer "cc=Linus" --trailer "ack: Peff" \
1154                <complex_message >actual &&
1155        test_cmp expected actual
1156'
1157
1158test_expect_success 'using "ifMissing = doNothing"' '
1159        git config trailer.cc.ifMissing "doNothing" &&
1160        cat complex_message_body >expected &&
1161        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1162                Bug #42
1163                Fixes: Z
1164                Acked-by= Z
1165                Acked-by= Junio
1166                Acked-by= Peff
1167                Reviewed-by:
1168                Signed-off-by: Z
1169        EOF
1170        git interpret-trailers --trailer "review:" --trailer "fix=53" \
1171                --trailer "cc=Linus" --trailer "ack: Junio" \
1172                --trailer "fix=22" --trailer "bug: 42" --trailer "ack: Peff" \
1173                <complex_message >actual &&
1174        test_cmp expected actual
1175'
1176
1177test_expect_success 'default "where" is now "after"' '
1178        git config trailer.where "after" &&
1179        git config --unset trailer.ack.where &&
1180        cat complex_message_body >expected &&
1181        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1182                Bug #42
1183                Fixes: Z
1184                Acked-by= Z
1185                Acked-by= Peff
1186                Acked-by= Peff
1187                Acked-by= Junio
1188                Acked-by= Peff
1189                Reviewed-by:
1190                Signed-off-by: Z
1191                Tested-by: Jakub
1192                Tested-by: Johannes
1193        EOF
1194        git interpret-trailers --trailer "ack: Peff" \
1195                --trailer "Acked-by= Peff" --trailer "review:" \
1196                --trailer "Tested-by: Jakub" --trailer "ack: Junio" \
1197                --trailer "bug: 42" --trailer "Tested-by: Johannes" \
1198                --trailer "ack: Peff" <complex_message >actual &&
1199        test_cmp expected actual
1200'
1201
1202test_expect_success 'with simple command' '
1203        git config trailer.sign.key "Signed-off-by: " &&
1204        git config trailer.sign.where "after" &&
1205        git config trailer.sign.ifExists "addIfDifferentNeighbor" &&
1206        git config trailer.sign.command "echo \"A U Thor <author@example.com>\"" &&
1207        cat complex_message_body >expected &&
1208        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1209                Fixes: Z
1210                Acked-by= Z
1211                Reviewed-by:
1212                Signed-off-by: Z
1213                Signed-off-by: A U Thor <author@example.com>
1214        EOF
1215        git interpret-trailers --trailer "review:" --trailer "fix=22" \
1216                <complex_message >actual &&
1217        test_cmp expected actual
1218'
1219
1220test_expect_success 'with command using commiter information' '
1221        git config trailer.sign.ifExists "addIfDifferent" &&
1222        git config trailer.sign.command "echo \"\$GIT_COMMITTER_NAME <\$GIT_COMMITTER_EMAIL>\"" &&
1223        cat complex_message_body >expected &&
1224        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1225                Fixes: Z
1226                Acked-by= Z
1227                Reviewed-by:
1228                Signed-off-by: Z
1229                Signed-off-by: C O Mitter <committer@example.com>
1230        EOF
1231        git interpret-trailers --trailer "review:" --trailer "fix=22" \
1232                <complex_message >actual &&
1233        test_cmp expected actual
1234'
1235
1236test_expect_success 'with command using author information' '
1237        git config trailer.sign.key "Signed-off-by: " &&
1238        git config trailer.sign.where "after" &&
1239        git config trailer.sign.ifExists "addIfDifferentNeighbor" &&
1240        git config trailer.sign.command "echo \"\$GIT_AUTHOR_NAME <\$GIT_AUTHOR_EMAIL>\"" &&
1241        cat complex_message_body >expected &&
1242        sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
1243                Fixes: Z
1244                Acked-by= Z
1245                Reviewed-by:
1246                Signed-off-by: Z
1247                Signed-off-by: A U Thor <author@example.com>
1248        EOF
1249        git interpret-trailers --trailer "review:" --trailer "fix=22" \
1250                <complex_message >actual &&
1251        test_cmp expected actual
1252'
1253
1254test_expect_success 'setup a commit' '
1255        echo "Content of the first commit." > a.txt &&
1256        git add a.txt &&
1257        git commit -m "Add file a.txt"
1258'
1259
1260test_expect_success 'with command using $ARG' '
1261        git config trailer.fix.ifExists "replace" &&
1262        git config trailer.fix.command "git log -1 --oneline --format=\"%h (%s)\" --abbrev-commit --abbrev=14 \$ARG" &&
1263        FIXED=$(git log -1 --oneline --format="%h (%s)" --abbrev-commit --abbrev=14 HEAD) &&
1264        cat complex_message_body >expected &&
1265        sed -e "s/ Z\$/ /" >>expected <<-EOF &&
1266                Fixes: $FIXED
1267                Acked-by= Z
1268                Reviewed-by:
1269                Signed-off-by: Z
1270                Signed-off-by: A U Thor <author@example.com>
1271        EOF
1272        git interpret-trailers --trailer "review:" --trailer "fix=HEAD" \
1273                <complex_message >actual &&
1274        test_cmp expected actual
1275'
1276
1277test_expect_success 'with failing command using $ARG' '
1278        git config trailer.fix.ifExists "replace" &&
1279        git config trailer.fix.command "false \$ARG" &&
1280        cat complex_message_body >expected &&
1281        sed -e "s/ Z\$/ /" >>expected <<-EOF &&
1282                Fixes: Z
1283                Acked-by= Z
1284                Reviewed-by:
1285                Signed-off-by: Z
1286                Signed-off-by: A U Thor <author@example.com>
1287        EOF
1288        git interpret-trailers --trailer "review:" --trailer "fix=HEAD" \
1289                <complex_message >actual &&
1290        test_cmp expected actual
1291'
1292
1293test_expect_success 'with empty tokens' '
1294        git config --unset trailer.fix.command &&
1295        cat >expected <<-EOF &&
1296
1297                Signed-off-by: A U Thor <author@example.com>
1298        EOF
1299        git interpret-trailers --trailer ":" --trailer ":test" >actual <<-EOF &&
1300        EOF
1301        test_cmp expected actual
1302'
1303
1304test_expect_success 'with command but no key' '
1305        git config --unset trailer.sign.key &&
1306        cat >expected <<-EOF &&
1307
1308                sign: A U Thor <author@example.com>
1309        EOF
1310        git interpret-trailers >actual <<-EOF &&
1311        EOF
1312        test_cmp expected actual
1313'
1314
1315test_expect_success 'with no command and no key' '
1316        git config --unset trailer.review.key &&
1317        cat >expected <<-EOF &&
1318
1319                review: Junio
1320                sign: A U Thor <author@example.com>
1321        EOF
1322        git interpret-trailers --trailer "review:Junio" >actual <<-EOF &&
1323        EOF
1324        test_cmp expected actual
1325'
1326
1327test_expect_success 'with cut line' '
1328        cat >expected <<-\EOF &&
1329                my subject
1330
1331                review: Brian
1332                sign: A U Thor <author@example.com>
1333                # ------------------------ >8 ------------------------
1334                ignore this
1335        EOF
1336        git interpret-trailers --trailer review:Brian >actual <<-\EOF &&
1337                my subject
1338                # ------------------------ >8 ------------------------
1339                ignore this
1340        EOF
1341        test_cmp expected actual
1342'
1343
1344test_expect_success 'only trailers' '
1345        git config trailer.sign.command "echo config-value" &&
1346        cat >expected <<-\EOF &&
1347                existing: existing-value
1348                sign: config-value
1349                added: added-value
1350        EOF
1351        git interpret-trailers \
1352                --trailer added:added-value \
1353                --only-trailers >actual <<-\EOF &&
1354                my subject
1355
1356                my body
1357
1358                existing: existing-value
1359        EOF
1360        test_cmp expected actual
1361'
1362
1363test_expect_success 'only-trailers omits non-trailer in middle of block' '
1364        git config trailer.sign.command "echo config-value" &&
1365        cat >expected <<-\EOF &&
1366                Signed-off-by: nobody <nobody@nowhere>
1367                Signed-off-by: somebody <somebody@somewhere>
1368                sign: config-value
1369        EOF
1370        git interpret-trailers --only-trailers >actual <<-\EOF &&
1371                subject
1372
1373                it is important that the trailers below are signed-off-by
1374                so that they meet the "25% trailers Git knows about" heuristic
1375
1376                Signed-off-by: nobody <nobody@nowhere>
1377                this is not a trailer
1378                Signed-off-by: somebody <somebody@somewhere>
1379        EOF
1380        test_cmp expected actual
1381'
1382
1383test_expect_success 'only input' '
1384        git config trailer.sign.command "echo config-value" &&
1385        cat >expected <<-\EOF &&
1386                existing: existing-value
1387        EOF
1388        git interpret-trailers \
1389                --only-trailers --only-input >actual <<-\EOF &&
1390                my subject
1391
1392                my body
1393
1394                existing: existing-value
1395        EOF
1396        test_cmp expected actual
1397'
1398
1399test_expect_success 'unfold' '
1400        cat >expected <<-\EOF &&
1401                foo: continued across several lines
1402        EOF
1403        # pass through tr to make leading and trailing whitespace more obvious
1404        tr _ " " <<-\EOF |
1405                my subject
1406
1407                my body
1408
1409                foo:_
1410                __continued
1411                ___across
1412                ____several
1413                _____lines
1414                ___
1415        EOF
1416        git interpret-trailers --only-trailers --only-input --unfold >actual &&
1417        test_cmp expected actual
1418'
1419
1420test_done