t/t7006-pager.sh

   1 #!/bin/sh
   2
   3 test_description='Test automatic use of a pager.'
   4
   5 . ./test-lib.sh
   6 . "$TEST_DIRECTORY"/lib-pager.sh
   7 . "$TEST_DIRECTORY"/lib-terminal.sh
   8
   9 test_expect_success 'setup' '
  10         sane_unset GIT_PAGER GIT_PAGER_IN_USE &&
  11         test_unconfig core.pager &&
  12
  13         PAGER="cat >paginated.out" &&
  14         export PAGER &&
  15
  16         test_commit initial
  17 '
  18
  19 test_expect_success TTY 'some commands use a pager' '
  20         rm -f paginated.out &&
  21         test_terminal git log &&
  22         test_path_is_file paginated.out
  23 '
  24
  25 test_expect_failure TTY 'pager runs from subdir' '
  26         echo subdir/paginated.out >expected &&
  27         mkdir -p subdir &&
  28         rm -f paginated.out subdir/paginated.out &&
  29         (
  30                 cd subdir &&
  31                 test_terminal git log
  32         ) &&
  33         {
  34                 ls paginated.out subdir/paginated.out ||
  35                 :
  36         } >actual &&
  37         test_cmp expected actual
  38 '
  39
  40 test_expect_success TTY 'LESS and LV envvars are set for pagination' '
  41         (
  42                 sane_unset LESS LV &&
  43                 PAGER="env >pager-env.out; wc" &&
  44                 export PAGER &&
  45
  46                 test_terminal git log
  47         ) &&
  48         grep ^LESS= pager-env.out &&
  49         grep ^LV= pager-env.out
  50 '
  51
  52 test_expect_success !MINGW,TTY 'LESS and LV envvars set by git-sh-setup' '
  53         (
  54                 sane_unset LESS LV &&
  55                 PAGER="env >pager-env.out; wc" &&
  56                 export PAGER &&
  57                 PATH="$(git --exec-path):$PATH" &&
  58                 export PATH &&
  59                 test_terminal sh -c ". git-sh-setup && git_pager"
  60         ) &&
  61         grep ^LESS= pager-env.out &&
  62         grep ^LV= pager-env.out
  63 '
  64
  65 test_expect_success TTY 'some commands do not use a pager' '
  66         rm -f paginated.out &&
  67         test_terminal git rev-list HEAD &&
  68         test_path_is_missing paginated.out
  69 '
  70
  71 test_expect_success 'no pager when stdout is a pipe' '
  72         rm -f paginated.out &&
  73         git log | cat &&
  74         test_path_is_missing paginated.out
  75 '
  76
  77 test_expect_success 'no pager when stdout is a regular file' '
  78         rm -f paginated.out &&
  79         git log >file &&
  80         test_path_is_missing paginated.out
  81 '
  82
  83 test_expect_success TTY 'git --paginate rev-list uses a pager' '
  84         rm -f paginated.out &&
  85         test_terminal git --paginate rev-list HEAD &&
  86         test_path_is_file paginated.out
  87 '
  88
  89 test_expect_success 'no pager even with --paginate when stdout is a pipe' '
  90         rm -f file paginated.out &&
  91         git --paginate log | cat &&
  92         test_path_is_missing paginated.out
  93 '
  94
  95 test_expect_success TTY 'no pager with --no-pager' '
  96         rm -f paginated.out &&
  97         test_terminal git --no-pager log &&
  98         test_path_is_missing paginated.out
  99 '
 100
 101 test_expect_success TTY 'configuration can disable pager' '
 102         rm -f paginated.out &&
 103         test_unconfig pager.grep &&
 104         test_terminal git grep initial &&
 105         test_path_is_file paginated.out &&
 106
 107         rm -f paginated.out &&
 108         test_config pager.grep false &&
 109         test_terminal git grep initial &&
 110         test_path_is_missing paginated.out
 111 '
 112
 113 test_expect_success TTY 'configuration can enable pager (from subdir)' '
 114         rm -f paginated.out &&
 115         mkdir -p subdir &&
 116         test_config pager.bundle true &&
 117
 118         git bundle create test.bundle --all &&
 119         rm -f paginated.out subdir/paginated.out &&
 120         (
 121                 cd subdir &&
 122                 test_terminal git bundle unbundle ../test.bundle
 123         ) &&
 124         {
 125                 test_path_is_file paginated.out ||
 126                 test_path_is_file subdir/paginated.out
 127         }
 128 '
 129
 130 test_expect_success TTY 'git tag -l defaults to paging' '
 131         rm -f paginated.out &&
 132         test_terminal git tag -l &&
 133         test_path_is_file paginated.out
 134 '
 135
 136 test_expect_success TTY 'git tag -l respects pager.tag' '
 137         rm -f paginated.out &&
 138         test_terminal git -c pager.tag=false tag -l &&
 139         test_path_is_missing paginated.out
 140 '
 141
 142 test_expect_success TTY 'git tag -l respects --no-pager' '
 143         rm -f paginated.out &&
 144         test_terminal git -c pager.tag --no-pager tag -l &&
 145         test_path_is_missing paginated.out
 146 '
 147
 148 test_expect_success TTY 'git tag with no args defaults to paging' '
 149         # no args implies -l so this should page like -l
 150         rm -f paginated.out &&
 151         test_terminal git tag &&
 152         test_path_is_file paginated.out
 153 '
 154
 155 test_expect_success TTY 'git tag with no args respects pager.tag' '
 156         # no args implies -l so this should page like -l
 157         rm -f paginated.out &&
 158         test_terminal git -c pager.tag=false tag &&
 159         test_path_is_missing paginated.out
 160 '
 161
 162 test_expect_success TTY 'git tag --contains defaults to paging' '
 163         # --contains implies -l so this should page like -l
 164         rm -f paginated.out &&
 165         test_terminal git tag --contains &&
 166         test_path_is_file paginated.out
 167 '
 168
 169 test_expect_success TTY 'git tag --contains respects pager.tag' '
 170         # --contains implies -l so this should page like -l
 171         rm -f paginated.out &&
 172         test_terminal git -c pager.tag=false tag --contains &&
 173         test_path_is_missing paginated.out
 174 '
 175
 176 test_expect_success TTY 'git tag -a defaults to not paging' '
 177         test_when_finished "git tag -d newtag" &&
 178         rm -f paginated.out &&
 179         test_terminal git tag -am message newtag &&
 180         test_path_is_missing paginated.out
 181 '
 182
 183 test_expect_success TTY 'git tag -a ignores pager.tag' '
 184         test_when_finished "git tag -d newtag" &&
 185         rm -f paginated.out &&
 186         test_terminal git -c pager.tag tag -am message newtag &&
 187         test_path_is_missing paginated.out
 188 '
 189
 190 test_expect_success TTY 'git tag -a respects --paginate' '
 191         test_when_finished "git tag -d newtag" &&
 192         rm -f paginated.out &&
 193         test_terminal git --paginate tag -am message newtag &&
 194         test_path_is_file paginated.out
 195 '
 196
 197 test_expect_success TTY 'git tag as alias ignores pager.tag with -a' '
 198         test_when_finished "git tag -d newtag" &&
 199         rm -f paginated.out &&
 200         test_terminal git -c pager.tag -c alias.t=tag t -am message newtag &&
 201         test_path_is_missing paginated.out
 202 '
 203
 204 test_expect_success TTY 'git tag as alias respects pager.tag with -l' '
 205         rm -f paginated.out &&
 206         test_terminal git -c pager.tag=false -c alias.t=tag t -l &&
 207         test_path_is_missing paginated.out
 208 '
 209
 210 test_expect_success TTY 'git branch defaults to paging' '
 211         rm -f paginated.out &&
 212         test_terminal git branch &&
 213         test_path_is_file paginated.out
 214 '
 215
 216 test_expect_success TTY 'git branch respects pager.branch' '
 217         rm -f paginated.out &&
 218         test_terminal git -c pager.branch=false branch &&
 219         test_path_is_missing paginated.out
 220 '
 221
 222 test_expect_success TTY 'git branch respects --no-pager' '
 223         rm -f paginated.out &&
 224         test_terminal git --no-pager branch &&
 225         test_path_is_missing paginated.out
 226 '
 227
 228 test_expect_success TTY 'git branch --edit-description ignores pager.branch' '
 229         rm -f paginated.out editor.used &&
 230         write_script editor <<-\EOF &&
 231                 echo "New description" >"$1"
 232                 touch editor.used
 233         EOF
 234         EDITOR=./editor test_terminal git -c pager.branch branch --edit-description &&
 235         test_path_is_missing paginated.out &&
 236         test_path_is_file editor.used
 237 '
 238
 239 test_expect_success TTY 'git branch --set-upstream-to ignores pager.branch' '
 240         rm -f paginated.out &&
 241         git branch other &&
 242         test_when_finished "git branch -D other" &&
 243         test_terminal git -c pager.branch branch --set-upstream-to=other &&
 244         test_when_finished "git branch --unset-upstream" &&
 245         test_path_is_missing paginated.out
 246 '
 247
 248 test_expect_success TTY 'git config ignores pager.config when setting' '
 249         rm -f paginated.out &&
 250         test_terminal git -c pager.config config foo.bar bar &&
 251         test_path_is_missing paginated.out
 252 '
 253
 254 test_expect_success TTY 'git config --edit ignores pager.config' '
 255         rm -f paginated.out editor.used &&
 256         write_script editor <<-\EOF &&
 257                 touch editor.used
 258         EOF
 259         EDITOR=./editor test_terminal git -c pager.config config --edit &&
 260         test_path_is_missing paginated.out &&
 261         test_path_is_file editor.used
 262 '
 263
 264 test_expect_success TTY 'git config --get ignores pager.config' '
 265         rm -f paginated.out &&
 266         test_terminal git -c pager.config config --get foo.bar &&
 267         test_path_is_missing paginated.out
 268 '
 269
 270 test_expect_success TTY 'git config --get-urlmatch defaults to paging' '
 271         rm -f paginated.out &&
 272         test_terminal git -c http."https://foo.com/".bar=foo \
 273                           config --get-urlmatch http https://foo.com &&
 274         test_path_is_file paginated.out
 275 '
 276
 277 test_expect_success TTY 'git config --get-all respects pager.config' '
 278         rm -f paginated.out &&
 279         test_terminal git -c pager.config=false config --get-all foo.bar &&
 280         test_path_is_missing paginated.out
 281 '
 282
 283 test_expect_success TTY 'git config --list defaults to paging' '
 284         rm -f paginated.out &&
 285         test_terminal git config --list &&
 286         test_path_is_file paginated.out
 287 '
 288
 289
 290 # A colored commit log will begin with an appropriate ANSI escape
 291 # for the first color; the text "commit" comes later.
 292 colorful() {
 293         read firstline <$1
 294         ! expr "$firstline" : "[a-zA-Z]" >/dev/null
 295 }
 296
 297 test_expect_success 'tests can detect color' '
 298         rm -f colorful.log colorless.log &&
 299         git log --no-color >colorless.log &&
 300         git log --color >colorful.log &&
 301         ! colorful colorless.log &&
 302         colorful colorful.log
 303 '
 304
 305 test_expect_success 'no color when stdout is a regular file' '
 306         rm -f colorless.log &&
 307         test_config color.ui auto &&
 308         git log >colorless.log &&
 309         ! colorful colorless.log
 310 '
 311
 312 test_expect_success TTY 'color when writing to a pager' '
 313         rm -f paginated.out &&
 314         test_config color.ui auto &&
 315         test_terminal git log &&
 316         colorful paginated.out
 317 '
 318
 319 test_expect_success TTY 'colors are suppressed by color.pager' '
 320         rm -f paginated.out &&
 321         test_config color.ui auto &&
 322         test_config color.pager false &&
 323         test_terminal git log &&
 324         ! colorful paginated.out
 325 '
 326
 327 test_expect_success 'color when writing to a file intended for a pager' '
 328         rm -f colorful.log &&
 329         test_config color.ui auto &&
 330         (
 331                 TERM=vt100 &&
 332                 GIT_PAGER_IN_USE=true &&
 333                 export TERM GIT_PAGER_IN_USE &&
 334                 git log >colorful.log
 335         ) &&
 336         colorful colorful.log
 337 '
 338
 339 test_expect_success TTY 'colors are sent to pager for external commands' '
 340         test_config alias.externallog "!git log" &&
 341         test_config color.ui auto &&
 342         test_terminal git -p externallog &&
 343         colorful paginated.out
 344 '
 345
 346 # Use this helper to make it easy for the caller of your
 347 # terminal-using function to specify whether it should fail.
 348 # If you write
 349 #
 350 #       your_test() {
 351 #               parse_args "$@"
 352 #
 353 #               $test_expectation "$cmd - behaves well" "
 354 #                       ...
 355 #                       $full_command &&
 356 #                       ...
 357 #               "
 358 #       }
 359 #
 360 # then your test can be used like this:
 361 #
 362 #       your_test expect_(success|failure) [test_must_fail] 'git foo'
 363 #
 364 parse_args() {
 365         test_expectation="test_$1"
 366         shift
 367         if test "$1" = test_must_fail
 368         then
 369                 full_command="test_must_fail test_terminal "
 370                 shift
 371         else
 372                 full_command="test_terminal "
 373         fi
 374         cmd=$1
 375         full_command="$full_command $1"
 376 }
 377
 378 test_default_pager() {
 379         parse_args "$@"
 380
 381         $test_expectation SIMPLEPAGER,TTY "$cmd - default pager is used by default" "
 382                 sane_unset PAGER GIT_PAGER &&
 383                 test_unconfig core.pager &&
 384                 rm -f default_pager_used &&
 385                 cat >\$less <<-\EOF &&
 386                 #!/bin/sh
 387                 wc >default_pager_used
 388                 EOF
 389                 chmod +x \$less &&
 390                 (
 391                         PATH=.:\$PATH &&
 392                         export PATH &&
 393                         $full_command
 394                 ) &&
 395                 test_path_is_file default_pager_used
 396         "
 397 }
 398
 399 test_PAGER_overrides() {
 400         parse_args "$@"
 401
 402         $test_expectation TTY "$cmd - PAGER overrides default pager" "
 403                 sane_unset GIT_PAGER &&
 404                 test_unconfig core.pager &&
 405                 rm -f PAGER_used &&
 406                 PAGER='wc >PAGER_used' &&
 407                 export PAGER &&
 408                 $full_command &&
 409                 test_path_is_file PAGER_used
 410         "
 411 }
 412
 413 test_core_pager_overrides() {
 414         if_local_config=
 415         used_if_wanted='overrides PAGER'
 416         test_core_pager "$@"
 417 }
 418
 419 test_local_config_ignored() {
 420         if_local_config='! '
 421         used_if_wanted='is not used'
 422         test_core_pager "$@"
 423 }
 424
 425 test_core_pager() {
 426         parse_args "$@"
 427
 428         $test_expectation TTY "$cmd - repository-local core.pager setting $used_if_wanted" "
 429                 sane_unset GIT_PAGER &&
 430                 rm -f core.pager_used &&
 431                 PAGER=wc &&
 432                 export PAGER &&
 433                 test_config core.pager 'wc >core.pager_used' &&
 434                 $full_command &&
 435                 ${if_local_config}test_path_is_file core.pager_used
 436         "
 437 }
 438
 439 test_core_pager_subdir() {
 440         if_local_config=
 441         used_if_wanted='overrides PAGER'
 442         test_pager_subdir_helper "$@"
 443 }
 444
 445 test_no_local_config_subdir() {
 446         if_local_config='! '
 447         used_if_wanted='is not used'
 448         test_pager_subdir_helper "$@"
 449 }
 450
 451 test_pager_subdir_helper() {
 452         parse_args "$@"
 453
 454         $test_expectation TTY "$cmd - core.pager $used_if_wanted from subdirectory" "
 455                 sane_unset GIT_PAGER &&
 456                 rm -f core.pager_used &&
 457                 rm -fr sub &&
 458                 PAGER=wc &&
 459                 stampname=\$(pwd)/core.pager_used &&
 460                 export PAGER stampname &&
 461                 test_config core.pager 'wc >\"\$stampname\"' &&
 462                 mkdir sub &&
 463                 (
 464                         cd sub &&
 465                         $full_command
 466                 ) &&
 467                 ${if_local_config}test_path_is_file core.pager_used
 468         "
 469 }
 470
 471 test_GIT_PAGER_overrides() {
 472         parse_args "$@"
 473
 474         $test_expectation TTY "$cmd - GIT_PAGER overrides core.pager" "
 475                 rm -f GIT_PAGER_used &&
 476                 test_config core.pager wc &&
 477                 GIT_PAGER='wc >GIT_PAGER_used' &&
 478                 export GIT_PAGER &&
 479                 $full_command &&
 480                 test_path_is_file GIT_PAGER_used
 481         "
 482 }
 483
 484 test_doesnt_paginate() {
 485         parse_args "$@"
 486
 487         $test_expectation TTY "no pager for '$cmd'" "
 488                 rm -f GIT_PAGER_used &&
 489                 GIT_PAGER='wc >GIT_PAGER_used' &&
 490                 export GIT_PAGER &&
 491                 $full_command &&
 492                 test_path_is_missing GIT_PAGER_used
 493         "
 494 }
 495
 496 test_pager_choices() {
 497         test_default_pager        expect_success "$@"
 498         test_PAGER_overrides      expect_success "$@"
 499         test_core_pager_overrides expect_success "$@"
 500         test_core_pager_subdir    expect_success "$@"
 501         test_GIT_PAGER_overrides  expect_success "$@"
 502 }
 503
 504 test_expect_success 'setup: some aliases' '
 505         git config alias.aliasedlog log &&
 506         git config alias.true "!true"
 507 '
 508
 509 test_pager_choices                       'git log'
 510 test_pager_choices                       'git -p log'
 511 test_pager_choices                       'git aliasedlog'
 512
 513 test_default_pager        expect_success 'git -p aliasedlog'
 514 test_PAGER_overrides      expect_success 'git -p aliasedlog'
 515 test_core_pager_overrides expect_success 'git -p aliasedlog'
 516 test_core_pager_subdir    expect_success 'git -p aliasedlog'
 517 test_GIT_PAGER_overrides  expect_success 'git -p aliasedlog'
 518
 519 test_default_pager        expect_success 'git -p true'
 520 test_PAGER_overrides      expect_success 'git -p true'
 521 test_core_pager_overrides expect_success 'git -p true'
 522 test_core_pager_subdir    expect_success 'git -p true'
 523 test_GIT_PAGER_overrides  expect_success 'git -p true'
 524
 525 test_default_pager        expect_success test_must_fail 'git -p request-pull'
 526 test_PAGER_overrides      expect_success test_must_fail 'git -p request-pull'
 527 test_core_pager_overrides expect_success test_must_fail 'git -p request-pull'
 528 test_core_pager_subdir    expect_success test_must_fail 'git -p request-pull'
 529 test_GIT_PAGER_overrides  expect_success test_must_fail 'git -p request-pull'
 530
 531 test_default_pager        expect_success test_must_fail 'git -p'
 532 test_PAGER_overrides      expect_success test_must_fail 'git -p'
 533 test_local_config_ignored expect_failure test_must_fail 'git -p'
 534 test_GIT_PAGER_overrides  expect_success test_must_fail 'git -p'
 535
 536 test_expect_success TTY 'core.pager in repo config works and retains cwd' '
 537         sane_unset GIT_PAGER &&
 538         test_config core.pager "cat >cwd-retained" &&
 539         (
 540                 cd sub &&
 541                 rm -f cwd-retained &&
 542                 test_terminal git -p rev-parse HEAD &&
 543                 test_path_is_file cwd-retained
 544         )
 545 '
 546
 547 test_expect_success TTY 'core.pager is found via alias in subdirectory' '
 548         sane_unset GIT_PAGER &&
 549         test_config core.pager "cat >via-alias" &&
 550         (
 551                 cd sub &&
 552                 rm -f via-alias &&
 553                 test_terminal git -c alias.r="-p rev-parse" r HEAD &&
 554                 test_path_is_file via-alias
 555         )
 556 '
 557
 558 test_doesnt_paginate      expect_failure test_must_fail 'git -p nonsense'
 559
 560 test_pager_choices                       'git shortlog'
 561 test_expect_success 'setup: configure shortlog not to paginate' '
 562         git config pager.shortlog false
 563 '
 564 test_doesnt_paginate      expect_success 'git shortlog'
 565 test_no_local_config_subdir expect_success 'git shortlog'
 566 test_default_pager        expect_success 'git -p shortlog'
 567 test_core_pager_subdir    expect_success 'git -p shortlog'
 568
 569 test_core_pager_subdir    expect_success test_must_fail \
 570                                          'git -p apply </dev/null'
 571
 572 test_expect_success TTY 'command-specific pager' '
 573         sane_unset PAGER GIT_PAGER &&
 574         echo "foo:initial" >expect &&
 575         >actual &&
 576         test_unconfig core.pager &&
 577         test_config pager.log "sed s/^/foo:/ >actual" &&
 578         test_terminal git log --format=%s -1 &&
 579         test_cmp expect actual
 580 '
 581
 582 test_expect_success TTY 'command-specific pager overrides core.pager' '
 583         sane_unset PAGER GIT_PAGER &&
 584         echo "foo:initial" >expect &&
 585         >actual &&
 586         test_config core.pager "exit 1" &&
 587         test_config pager.log "sed s/^/foo:/ >actual" &&
 588         test_terminal git log --format=%s -1 &&
 589         test_cmp expect actual
 590 '
 591
 592 test_expect_success TTY 'command-specific pager overridden by environment' '
 593         GIT_PAGER="sed s/^/foo:/ >actual" && export GIT_PAGER &&
 594         >actual &&
 595         echo "foo:initial" >expect &&
 596         test_config pager.log "exit 1" &&
 597         test_terminal git log --format=%s -1 &&
 598         test_cmp expect actual
 599 '
 600
 601 test_expect_success 'setup external command' '
 602         cat >git-external <<-\EOF &&
 603         #!/bin/sh
 604         git "$@"
 605         EOF
 606         chmod +x git-external
 607 '
 608
 609 test_expect_success TTY 'command-specific pager works for external commands' '
 610         sane_unset PAGER GIT_PAGER &&
 611         echo "foo:initial" >expect &&
 612         >actual &&
 613         test_config pager.external "sed s/^/foo:/ >actual" &&
 614         test_terminal git --exec-path="$(pwd)" external log --format=%s -1 &&
 615         test_cmp expect actual
 616 '
 617
 618 test_expect_success TTY 'sub-commands of externals use their own pager' '
 619         sane_unset PAGER GIT_PAGER &&
 620         echo "foo:initial" >expect &&
 621         >actual &&
 622         test_config pager.log "sed s/^/foo:/ >actual" &&
 623         test_terminal git --exec-path=. external log --format=%s -1 &&
 624         test_cmp expect actual
 625 '
 626
 627 test_expect_success TTY 'external command pagers override sub-commands' '
 628         sane_unset PAGER GIT_PAGER &&
 629         >actual &&
 630         test_config pager.external false &&
 631         test_config pager.log "sed s/^/log:/ >actual" &&
 632         test_terminal git --exec-path=. external log --format=%s -1 &&
 633         test_must_be_empty actual
 634 '
 635
 636 test_expect_success 'command with underscores does not complain' '
 637         write_script git-under_score <<-\EOF &&
 638         echo ok
 639         EOF
 640         git --exec-path=. under_score >actual 2>&1 &&
 641         echo ok >expect &&
 642         test_cmp expect actual
 643 '
 644
 645 test_expect_success TTY 'git tag with auto-columns ' '
 646         test_commit one &&
 647         test_commit two &&
 648         test_commit three &&
 649         test_commit four &&
 650         test_commit five &&
 651         cat >expect <<-\EOF &&
 652         initial  one      two      three    four     five
 653         EOF
 654         test_terminal env PAGER="cat >actual" COLUMNS=80 \
 655                 git -c column.ui=auto tag --sort=authordate &&
 656         test_cmp expect actual
 657 '
 658
 659 test_expect_success 'setup trace2' '
 660         GIT_TRACE2_BRIEF=1 &&
 661         export GIT_TRACE2_BRIEF
 662 '
 663
 664 test_expect_success TTY 'git returns SIGPIPE on early pager exit' '
 665         test_when_finished "rm pager-used trace.normal" &&
 666         test_config core.pager ">pager-used; head -n 1; exit 0" &&
 667         GIT_TRACE2="$(pwd)/trace.normal" &&
 668         export GIT_TRACE2 &&
 669         test_when_finished "unset GIT_TRACE2" &&
 670
 671         if test_have_prereq !MINGW
 672         then
 673                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 674                 test_match_signal 13 "$OUT"
 675         else
 676                 test_terminal git log
 677         fi &&
 678
 679         grep child_exit trace.normal >child-exits &&
 680         test_line_count = 1 child-exits &&
 681         grep " code:0 " child-exits &&
 682         test_path_is_file pager-used
 683 '
 684
 685 test_expect_success TTY 'git returns SIGPIPE on early pager non-zero exit' '
 686         test_when_finished "rm pager-used trace.normal" &&
 687         test_config core.pager ">pager-used; head -n 1; exit 1" &&
 688         GIT_TRACE2="$(pwd)/trace.normal" &&
 689         export GIT_TRACE2 &&
 690         test_when_finished "unset GIT_TRACE2" &&
 691
 692         if test_have_prereq !MINGW
 693         then
 694                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 695                 test_match_signal 13 "$OUT"
 696         else
 697                 test_terminal git log
 698         fi &&
 699
 700         grep child_exit trace.normal >child-exits &&
 701         test_line_count = 1 child-exits &&
 702         grep " code:1 " child-exits &&
 703         test_path_is_file pager-used
 704 '
 705
 706 test_expect_success TTY 'git discards pager non-zero exit without SIGPIPE' '
 707         test_when_finished "rm pager-used trace.normal" &&
 708         test_config core.pager "wc >pager-used; exit 1" &&
 709         GIT_TRACE2="$(pwd)/trace.normal" &&
 710         export GIT_TRACE2 &&
 711         test_when_finished "unset GIT_TRACE2" &&
 712
 713         if test_have_prereq !MINGW
 714         then
 715                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 716                 test "$OUT" -eq 0
 717         else
 718                 test_terminal git log
 719         fi &&
 720
 721         grep child_exit trace.normal >child-exits &&
 722         test_line_count = 1 child-exits &&
 723         grep " code:1 " child-exits &&
 724         test_path_is_file pager-used
 725 '
 726
 727 test_expect_success TTY 'git discards nonexisting pager without SIGPIPE' '
 728         test_when_finished "rm pager-used trace.normal" &&
 729         test_config core.pager "wc >pager-used; does-not-exist" &&
 730         GIT_TRACE2="$(pwd)/trace.normal" &&
 731         export GIT_TRACE2 &&
 732         test_when_finished "unset GIT_TRACE2" &&
 733
 734         if test_have_prereq !MINGW
 735         then
 736                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 737                 test "$OUT" -eq 0
 738         else
 739                 test_terminal git log
 740         fi &&
 741
 742         grep child_exit trace.normal >child-exits &&
 743         test_line_count = 1 child-exits &&
 744         grep " code:127 " child-exits &&
 745         test_path_is_file pager-used
 746 '
 747
 748 test_expect_success TTY 'git attempts to page to nonexisting pager command, gets SIGPIPE' '
 749         test_when_finished "rm trace.normal" &&
 750         test_config core.pager "does-not-exist" &&
 751         GIT_TRACE2="$(pwd)/trace.normal" &&
 752         export GIT_TRACE2 &&
 753         test_when_finished "unset GIT_TRACE2" &&
 754
 755         if test_have_prereq !MINGW
 756         then
 757                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 758                 test_match_signal 13 "$OUT"
 759         else
 760                 test_terminal git log
 761         fi &&
 762
 763         grep child_exit trace.normal >child-exits &&
 764         test_line_count = 1 child-exits &&
 765         grep " code:-1 " child-exits
 766 '
 767
 768 test_expect_success TTY 'git returns SIGPIPE on propagated signals from pager' '
 769         test_when_finished "rm pager-used trace.normal" &&
 770         test_config core.pager ">pager-used; test-tool sigchain" &&
 771         GIT_TRACE2="$(pwd)/trace.normal" &&
 772         export GIT_TRACE2 &&
 773         test_when_finished "unset GIT_TRACE2" &&
 774
 775         if test_have_prereq !MINGW
 776         then
 777                 OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) &&
 778                 test_match_signal 13 "$OUT"
 779         else
 780                 test_terminal git log
 781         fi &&
 782
 783         grep child_exit trace.normal >child-exits &&
 784         test_line_count = 1 child-exits &&
 785         grep " code:143 " child-exits &&
 786         test_path_is_file pager-used
 787 '
 788
 789 test_done