t/t4013-diff-various.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Junio C Hamano
   4 #
   5
   6 test_description='Various diff formatting options'
   7
   8 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
   9 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  10
  11 . ./test-lib.sh
  12 . "$TEST_DIRECTORY"/lib-diff.sh
  13
  14 test_expect_success setup '
  15
  16         GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
  17         GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
  18         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  19
  20         mkdir dir &&
  21         mkdir dir2 &&
  22         test_write_lines 1 2 3 >file0 &&
  23         test_write_lines A B >dir/sub &&
  24         cat file0 >file2 &&
  25         git add file0 file2 dir/sub &&
  26         git commit -m Initial &&
  27
  28         git branch initial &&
  29         git branch side &&
  30
  31         GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
  32         GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
  33         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  34
  35         test_write_lines 4 5 6 >>file0 &&
  36         test_write_lines C D >>dir/sub &&
  37         rm -f file2 &&
  38         git update-index --remove file0 file2 dir/sub &&
  39         git commit -m "Second${LF}${LF}This is the second commit." &&
  40
  41         GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
  42         GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
  43         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  44
  45         test_write_lines A B C >file1 &&
  46         git add file1 &&
  47         test_write_lines E F >>dir/sub &&
  48         git update-index dir/sub &&
  49         git commit -m Third &&
  50
  51         GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
  52         GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
  53         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  54
  55         git checkout side &&
  56         test_write_lines A B C >>file0 &&
  57         test_write_lines 1 2 >>dir/sub &&
  58         cat dir/sub >file3 &&
  59         git add file3 &&
  60         git update-index file0 dir/sub &&
  61         git commit -m Side &&
  62
  63         GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
  64         GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
  65         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  66
  67         git checkout master &&
  68         git pull -s ours --no-rebase . side &&
  69
  70         GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
  71         GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
  72         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  73
  74         test_write_lines A B C >>file0 &&
  75         test_write_lines 1 2 >>dir/sub &&
  76         git update-index file0 dir/sub &&
  77
  78         mkdir dir3 &&
  79         cp dir/sub dir3/sub &&
  80         test-tool chmtime +1 dir3/sub &&
  81
  82         git config log.showroot false &&
  83         git commit --amend &&
  84
  85         GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
  86         GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
  87         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  88         git checkout -b rearrange initial &&
  89         test_write_lines B A >dir/sub &&
  90         git add dir/sub &&
  91         git commit -m "Rearranged lines in dir/sub" &&
  92         git checkout master &&
  93
  94         GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
  95         GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
  96         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
  97         git checkout -b mode initial &&
  98         git update-index --chmod=+x file0 &&
  99         git commit -m "update mode" &&
 100         git checkout -f master &&
 101
 102         GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
 103         GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
 104         export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
 105         git checkout -b note initial &&
 106         git update-index --chmod=+x file2 &&
 107         git commit -m "update mode (file2)" &&
 108         git notes add -m "note" &&
 109         git checkout -f master &&
 110
 111         # Same merge as master, but with parents reversed. Hide it in a
 112         # pseudo-ref to avoid impacting tests with --all.
 113         commit=$(echo reverse |
 114                  git commit-tree -p master^2 -p master^1 master^{tree}) &&
 115         git update-ref REVERSE $commit &&
 116
 117         git config diff.renames false &&
 118
 119         git show-branch
 120 '
 121
 122 : <<\EOF
 123 ! [initial] Initial
 124  * [master] Merge branch 'side'
 125   ! [rearrange] Rearranged lines in dir/sub
 126    ! [side] Side
 127 ----
 128   +  [rearrange] Rearranged lines in dir/sub
 129  -   [master] Merge branch 'side'
 130  * + [side] Side
 131  *   [master^] Third
 132  *   [master~2] Second
 133 +*++ [initial] Initial
 134 EOF
 135
 136 process_diffs () {
 137         perl -e '
 138                 my $oid_length = length($ARGV[0]);
 139                 my $x40 = "[0-9a-f]{40}";
 140                 my $xab = "[0-9a-f]{4,16}";
 141                 my $orx = "[0-9a-f]" x $oid_length;
 142
 143                 sub munge_oid {
 144                         my ($oid) = @_;
 145                         my $x;
 146
 147                         return "" unless length $oid;
 148
 149                         if ($oid =~ /^(100644|100755|120000)$/) {
 150                                 return $oid;
 151                         }
 152
 153                         if ($oid =~ /^0*$/) {
 154                                 $x = "0";
 155                         } else {
 156                                 $x = "f";
 157                         }
 158
 159                         if (length($oid) == 40) {
 160                                 return $x x $oid_length;
 161                         } else {
 162                                 return $x x length($oid);
 163                         }
 164                 }
 165
 166                 while (<STDIN>) {
 167                         s/($orx)/munge_oid($1)/ge;
 168                         s/From ($x40)( |\))/"From " . munge_oid($1) . $2/ge;
 169                         s/commit ($x40)($| \(from )($x40?)/"commit " .  munge_oid($1) . $2 . munge_oid($3)/ge;
 170                         s/\b($x40)( |\.\.|$)/munge_oid($1) . $2/ge;
 171                         s/^($x40)($| )/munge_oid($1) . $2/e;
 172                         s/($xab)(\.\.|,| |\.\.\.|$)/munge_oid($1) . $2/ge;
 173                         print;
 174                 }
 175         ' "$ZERO_OID" <"$1"
 176 }
 177
 178 V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
 179 while read magic cmd
 180 do
 181         status=success
 182         case "$magic" in
 183         '' | '#'*)
 184                 continue ;;
 185         :*)
 186                 magic=${magic#:}
 187                 label="$magic-$cmd"
 188                 case "$magic" in
 189                 noellipses) ;;
 190                 failure)
 191                         status=failure
 192                         magic=
 193                         label="$cmd" ;;
 194                 *)
 195                         BUG "unknown magic $magic" ;;
 196                 esac ;;
 197         *)
 198                 cmd="$magic $cmd" magic=
 199                 label="$cmd" ;;
 200         esac
 201         test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
 202         pfx=$(printf "%04d" $test_count)
 203         expect="$TEST_DIRECTORY/t4013/diff.$test"
 204         actual="$pfx-diff.$test"
 205
 206         test_expect_$status "git $cmd # magic is ${magic:-(not used)}" '
 207                 {
 208                         echo "$ git $cmd"
 209                         case "$magic" in
 210                         "")
 211                                 GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
 212                         noellipses)
 213                                 git $cmd ;;
 214                         esac |
 215                         sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
 216                             -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
 217                         echo "\$"
 218                 } >"$actual" &&
 219                 if test -f "$expect"
 220                 then
 221                         process_diffs "$actual" >actual &&
 222                         process_diffs "$expect" >expect &&
 223                         case $cmd in
 224                         *format-patch* | *-stat*)
 225                                 test_cmp expect actual;;
 226                         *)
 227                                 test_cmp expect actual;;
 228                         esac &&
 229                         rm -f "$actual" actual expect
 230                 else
 231                         # this is to help developing new tests.
 232                         cp "$actual" "$expect"
 233                         false
 234                 fi
 235         '
 236 done <<\EOF
 237 diff-tree initial
 238 diff-tree -r initial
 239 diff-tree -r --abbrev initial
 240 diff-tree -r --abbrev=4 initial
 241 diff-tree --root initial
 242 diff-tree --root --abbrev initial
 243 :noellipses diff-tree --root --abbrev initial
 244 diff-tree --root -r initial
 245 diff-tree --root -r --abbrev initial
 246 :noellipses diff-tree --root -r --abbrev initial
 247 diff-tree --root -r --abbrev=4 initial
 248 :noellipses diff-tree --root -r --abbrev=4 initial
 249 diff-tree -p initial
 250 diff-tree --root -p initial
 251 diff-tree --root -p --abbrev=10 initial
 252 diff-tree --root -p --full-index initial
 253 diff-tree --root -p --full-index --abbrev=10 initial
 254 diff-tree --patch-with-stat initial
 255 diff-tree --root --patch-with-stat initial
 256 diff-tree --patch-with-raw initial
 257 diff-tree --root --patch-with-raw initial
 258
 259 diff-tree --pretty initial
 260 diff-tree --pretty --root initial
 261 diff-tree --pretty -p initial
 262 diff-tree --pretty --stat initial
 263 diff-tree --pretty --summary initial
 264 diff-tree --pretty --stat --summary initial
 265 diff-tree --pretty --root -p initial
 266 diff-tree --pretty --root --stat initial
 267 # improved by Timo's patch
 268 diff-tree --pretty --root --summary initial
 269 # improved by Timo's patch
 270 diff-tree --pretty --root --summary -r initial
 271 diff-tree --pretty --root --stat --summary initial
 272 diff-tree --pretty --patch-with-stat initial
 273 diff-tree --pretty --root --patch-with-stat initial
 274 diff-tree --pretty --patch-with-raw initial
 275 diff-tree --pretty --root --patch-with-raw initial
 276
 277 diff-tree --pretty=oneline initial
 278 diff-tree --pretty=oneline --root initial
 279 diff-tree --pretty=oneline -p initial
 280 diff-tree --pretty=oneline --root -p initial
 281 diff-tree --pretty=oneline --patch-with-stat initial
 282 # improved by Timo's patch
 283 diff-tree --pretty=oneline --root --patch-with-stat initial
 284 diff-tree --pretty=oneline --patch-with-raw initial
 285 diff-tree --pretty=oneline --root --patch-with-raw initial
 286
 287 diff-tree --pretty side
 288 diff-tree --pretty -p side
 289 diff-tree --pretty --patch-with-stat side
 290
 291 diff-tree initial mode
 292 diff-tree --stat initial mode
 293 diff-tree --summary initial mode
 294
 295 diff-tree master
 296 diff-tree -m master
 297 diff-tree -p master
 298 diff-tree -p -m master
 299 diff-tree -c master
 300 diff-tree -c --abbrev master
 301 :noellipses diff-tree -c --abbrev master
 302 diff-tree --cc master
 303 # stat only should show the diffstat with the first parent
 304 diff-tree -c --stat master
 305 diff-tree --cc --stat master
 306 diff-tree -c --stat --summary master
 307 diff-tree --cc --stat --summary master
 308 # stat summary should show the diffstat and summary with the first parent
 309 diff-tree -c --stat --summary side
 310 diff-tree --cc --stat --summary side
 311 diff-tree --cc --shortstat master
 312 diff-tree --cc --summary REVERSE
 313 # improved by Timo's patch
 314 diff-tree --cc --patch-with-stat master
 315 # improved by Timo's patch
 316 diff-tree --cc --patch-with-stat --summary master
 317 # this is correct
 318 diff-tree --cc --patch-with-stat --summary side
 319
 320 log master
 321 log -p master
 322 log --root master
 323 log --root -p master
 324 log --patch-with-stat master
 325 log --root --patch-with-stat master
 326 log --root --patch-with-stat --summary master
 327 # improved by Timo's patch
 328 log --root -c --patch-with-stat --summary master
 329 # improved by Timo's patch
 330 log --root --cc --patch-with-stat --summary master
 331 log --no-diff-merges -p --first-parent master
 332 log --diff-merges=off -p --first-parent master
 333 log --first-parent --diff-merges=off -p master
 334 log -p --first-parent master
 335 log -p --diff-merges=first-parent master
 336 log --diff-merges=first-parent master
 337 log -m -p --first-parent master
 338 log -m -p master
 339 log --cc -m -p master
 340 log -c -m -p master
 341 log -m --raw master
 342 log -m --stat master
 343 log -SF master
 344 log -S F master
 345 log -SF -p master
 346 log -SF master --max-count=0
 347 log -SF master --max-count=1
 348 log -SF master --max-count=2
 349 log -GF master
 350 log -GF -p master
 351 log -GF -p --pickaxe-all master
 352 log -IA -IB -I1 -I2 -p master
 353 log --decorate --all
 354 log --decorate=full --all
 355 log --decorate --clear-decorations --all
 356 log --decorate=full --clear-decorations --all
 357
 358 rev-list --parents HEAD
 359 rev-list --children HEAD
 360
 361 whatchanged master
 362 :noellipses whatchanged master
 363 whatchanged -p master
 364 whatchanged --root master
 365 :noellipses whatchanged --root master
 366 whatchanged --root -p master
 367 whatchanged --patch-with-stat master
 368 whatchanged --root --patch-with-stat master
 369 whatchanged --root --patch-with-stat --summary master
 370 # improved by Timo's patch
 371 whatchanged --root -c --patch-with-stat --summary master
 372 # improved by Timo's patch
 373 whatchanged --root --cc --patch-with-stat --summary master
 374 whatchanged -SF master
 375 :noellipses whatchanged -SF master
 376 whatchanged -SF -p master
 377
 378 log --patch-with-stat master -- dir/
 379 whatchanged --patch-with-stat master -- dir/
 380 log --patch-with-stat --summary master -- dir/
 381 whatchanged --patch-with-stat --summary master -- dir/
 382
 383 show initial
 384 show --root initial
 385 show side
 386 show master
 387 show -c master
 388 show -m master
 389 show --first-parent master
 390 show --stat side
 391 show --stat --summary side
 392 show --patch-with-stat side
 393 show --patch-with-raw side
 394 :noellipses show --patch-with-raw side
 395 show --patch-with-stat --summary side
 396
 397 format-patch --stdout initial..side
 398 format-patch --stdout initial..master^
 399 format-patch --stdout initial..master
 400 format-patch --stdout --no-numbered initial..master
 401 format-patch --stdout --numbered initial..master
 402 format-patch --attach --stdout initial..side
 403 format-patch --attach --stdout --suffix=.diff initial..side
 404 format-patch --attach --stdout initial..master^
 405 format-patch --attach --stdout initial..master
 406 format-patch --inline --stdout initial..side
 407 format-patch --inline --stdout initial..master^
 408 format-patch --inline --stdout --numbered-files initial..master
 409 format-patch --inline --stdout initial..master
 410 format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
 411 config format.subjectprefix DIFFERENT_PREFIX
 412 format-patch --inline --stdout initial..master^^
 413 format-patch --stdout --cover-letter -n initial..master^
 414
 415 diff --abbrev initial..side
 416 diff -U initial..side
 417 diff -U1 initial..side
 418 diff -r initial..side
 419 diff --stat initial..side
 420 diff -r --stat initial..side
 421 diff initial..side
 422 diff --patch-with-stat initial..side
 423 diff --patch-with-raw initial..side
 424 :noellipses diff --patch-with-raw initial..side
 425 diff --patch-with-stat -r initial..side
 426 diff --patch-with-raw -r initial..side
 427 :noellipses diff --patch-with-raw -r initial..side
 428 diff --name-status dir2 dir
 429 diff --no-index --name-status dir2 dir
 430 diff --no-index --name-status -- dir2 dir
 431 diff --no-index dir dir3
 432 diff master master^ side
 433 # Can't use spaces...
 434 diff --line-prefix=abc master master^ side
 435 diff --dirstat master~1 master~2
 436 diff --dirstat initial rearrange
 437 diff --dirstat-by-file initial rearrange
 438 diff --dirstat --cc master~1 master
 439 # No-index --abbrev and --no-abbrev
 440 diff --raw initial
 441 :noellipses diff --raw initial
 442 diff --raw --abbrev=4 initial
 443 :noellipses diff --raw --abbrev=4 initial
 444 diff --raw --no-abbrev initial
 445 diff --no-index --raw dir2 dir
 446 :noellipses diff --no-index --raw dir2 dir
 447 diff --no-index --raw --abbrev=4 dir2 dir
 448 :noellipses diff --no-index --raw --abbrev=4 dir2 dir
 449 diff --no-index --raw --no-abbrev dir2 dir
 450
 451 diff-tree --pretty --root --stat --compact-summary initial
 452 diff-tree --pretty -R --root --stat --compact-summary initial
 453 diff-tree --pretty note
 454 diff-tree --pretty --notes note
 455 diff-tree --format=%N note
 456 diff-tree --stat --compact-summary initial mode
 457 diff-tree -R --stat --compact-summary initial mode
 458 EOF
 459
 460 test_expect_success 'log -m matches pure log' '
 461         git log master >result &&
 462         process_diffs result >expected &&
 463         git log -m >result &&
 464         process_diffs result >actual &&
 465         test_cmp expected actual
 466 '
 467
 468 test_expect_success 'log --diff-merges=on matches --diff-merges=separate' '
 469         git log -p --diff-merges=separate master >result &&
 470         process_diffs result >expected &&
 471         git log -p --diff-merges=on master >result &&
 472         process_diffs result >actual &&
 473         test_cmp expected actual
 474 '
 475
 476 test_expect_success 'log --dd matches --diff-merges=1 -p' '
 477         git log --diff-merges=1 -p master >result &&
 478         process_diffs result >expected &&
 479         git log --dd master >result &&
 480         process_diffs result >actual &&
 481         test_cmp expected actual
 482 '
 483
 484 test_expect_success 'deny wrong log.diffMerges config' '
 485         test_config log.diffMerges wrong-value &&
 486         test_expect_code 128 git log
 487 '
 488
 489 test_expect_success 'git config log.diffMerges first-parent' '
 490         git log -p --diff-merges=first-parent master >result &&
 491         process_diffs result >expected &&
 492         test_config log.diffMerges first-parent &&
 493         git log -p --diff-merges=on master >result &&
 494         process_diffs result >actual &&
 495         test_cmp expected actual
 496 '
 497
 498 test_expect_success 'git config log.diffMerges first-parent vs -m' '
 499         git log -p --diff-merges=first-parent master >result &&
 500         process_diffs result >expected &&
 501         test_config log.diffMerges first-parent &&
 502         git log -p -m master >result &&
 503         process_diffs result >actual &&
 504         test_cmp expected actual
 505 '
 506
 507 # -m in "git diff-index" means "match missing", that differs
 508 # from its meaning in "git diff". Let's check it in diff-index.
 509 # The line in the output for removed file should disappear when
 510 # we provide -m in diff-index.
 511 test_expect_success 'git diff-index -m' '
 512         rm -f file1 &&
 513         git diff-index HEAD >without-m &&
 514         lines_count=$(wc -l <without-m) &&
 515         git diff-index -m HEAD >with-m &&
 516         git restore file1 &&
 517         test_line_count = $((lines_count - 1)) with-m
 518 '
 519
 520 test_expect_success 'log -S requires an argument' '
 521         test_must_fail git log -S
 522 '
 523
 524 test_expect_success 'diff --cached on unborn branch' '
 525         echo ref: refs/heads/unborn >.git/HEAD &&
 526         git diff --cached >result &&
 527         process_diffs result >actual &&
 528         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
 529         test_cmp expected actual
 530 '
 531
 532 test_expect_success 'diff --cached -- file on unborn branch' '
 533         git diff --cached -- file0 >result &&
 534         process_diffs result >actual &&
 535         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" >expected &&
 536         test_cmp expected actual
 537 '
 538 test_expect_success 'diff --line-prefix with spaces' '
 539         git diff --line-prefix="| | | " --cached -- file0 >result &&
 540         process_diffs result >actual &&
 541         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" >expected &&
 542         test_cmp expected actual
 543 '
 544
 545 test_expect_success 'diff-tree --stdin with log formatting' '
 546         cat >expect <<-\EOF &&
 547         Side
 548         Third
 549         Second
 550         EOF
 551         git rev-list master | git diff-tree --stdin --format=%s -s >actual &&
 552         test_cmp expect actual
 553 '
 554
 555 test_expect_success 'diff-tree --stdin with pathspec' '
 556         cat >expect <<-EOF &&
 557         Third
 558
 559         dir/sub
 560         Second
 561
 562         dir/sub
 563         EOF
 564         git rev-list master^ |
 565         git diff-tree -r --stdin --name-only --format=%s dir >actual &&
 566         test_cmp expect actual
 567 '
 568
 569 test_expect_success 'show A B ... -- <pathspec>' '
 570         # side touches dir/sub, file0, and file3
 571         # master^ touches dir/sub, and file1
 572         # master^^ touches dir/sub, file0, and file2
 573         git show --name-only --format="<%s>" side master^ master^^ -- dir >actual &&
 574         cat >expect <<-\EOF &&
 575         <Side>
 576
 577         dir/sub
 578         <Third>
 579
 580         dir/sub
 581         <Second>
 582
 583         dir/sub
 584         EOF
 585         test_cmp expect actual
 586 '
 587
 588 test_expect_success 'diff -I<regex>: setup' '
 589         git checkout master &&
 590         test_seq 50 >file0 &&
 591         git commit -m "Set up -I<regex> test file" file0 &&
 592         test_seq 50 | sed -e "s/13/ten and three/" -e "/7\$/d" >file0 &&
 593         echo >>file0
 594 '
 595 test_expect_success 'diff -I<regex>' '
 596         git diff --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
 597         cat >expect <<-\EOF &&
 598         diff --git a/file0 b/file0
 599         --- a/file0
 600         +++ b/file0
 601         @@ -34,7 +31,6 @@
 602          34
 603          35
 604          36
 605         -37
 606          38
 607          39
 608          40
 609         EOF
 610         compare_diff_patch expect actual
 611 '
 612
 613 test_expect_success 'diff -I<regex> --stat' '
 614         git diff --stat --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
 615         cat >expect <<-\EOF &&
 616          file0 | 1 -
 617          1 file changed, 1 deletion(-)
 618         EOF
 619         test_cmp expect actual
 620 '
 621
 622 test_expect_success 'diff -I<regex>: detect malformed regex' '
 623         test_expect_code 129 git diff --ignore-matching-lines="^[124-9" 2>error &&
 624         test_grep "invalid regex given to -I: " error
 625 '
 626
 627 # check_prefix <patch> <src> <dst>
 628 # check only lines with paths to avoid dependency on exact oid/contents
 629 check_prefix () {
 630         grep -E '^(diff|---|\+\+\+) ' "$1" >actual.paths &&
 631         cat >expect <<-EOF &&
 632         diff --git $2 $3
 633         --- $2
 634         +++ $3
 635         EOF
 636         test_cmp expect actual.paths
 637 }
 638
 639 test_expect_success 'diff-files does not respect diff.noprefix' '
 640         git -c diff.noprefix diff-files -p >actual &&
 641         check_prefix actual a/file0 b/file0
 642 '
 643
 644 test_expect_success 'diff-files respects --no-prefix' '
 645         git diff-files -p --no-prefix >actual &&
 646         check_prefix actual file0 file0
 647 '
 648
 649 test_expect_success 'diff respects diff.noprefix' '
 650         git -c diff.noprefix diff >actual &&
 651         check_prefix actual file0 file0
 652 '
 653
 654 test_expect_success 'diff --default-prefix overrides diff.noprefix' '
 655         git -c diff.noprefix diff --default-prefix >actual &&
 656         check_prefix actual a/file0 b/file0
 657 '
 658
 659 test_expect_success 'diff respects diff.mnemonicprefix' '
 660         git -c diff.mnemonicprefix diff >actual &&
 661         check_prefix actual i/file0 w/file0
 662 '
 663
 664 test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' '
 665         git -c diff.mnemonicprefix diff --default-prefix >actual &&
 666         check_prefix actual a/file0 b/file0
 667 '
 668
 669 test_done