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         case "$magic" in
 182         '' | '#'*)
 183                 continue ;;
 184         :noellipses)
 185                 magic=noellipses
 186                 label="$magic-$cmd"
 187                 ;;
 188         :*)
 189                 BUG "unknown magic $magic"
 190                 ;;
 191         *)
 192                 cmd="$magic $cmd"
 193                 magic=
 194                 label="$cmd"
 195                 ;;
 196         esac
 197
 198         test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
 199         pfx=$(printf "%04d" $test_count)
 200         expect="$TEST_DIRECTORY/t4013/diff.$test"
 201         actual="$pfx-diff.$test"
 202
 203         test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
 204                 {
 205                         echo "$ git $cmd"
 206                         case "$magic" in
 207                         "")
 208                                 GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
 209                         noellipses)
 210                                 git $cmd ;;
 211                         esac |
 212                         sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
 213                             -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
 214                         echo "\$"
 215                 } >"$actual" &&
 216                 if test -f "$expect"
 217                 then
 218                         process_diffs "$actual" >actual &&
 219                         process_diffs "$expect" >expect &&
 220                         case $cmd in
 221                         *format-patch* | *-stat*)
 222                                 test_cmp expect actual;;
 223                         *)
 224                                 test_cmp expect actual;;
 225                         esac &&
 226                         rm -f "$actual" actual expect
 227                 else
 228                         # this is to help developing new tests.
 229                         cp "$actual" "$expect"
 230                         false
 231                 fi
 232         '
 233 done <<\EOF
 234 diff-tree initial
 235 diff-tree -r initial
 236 diff-tree -r --abbrev initial
 237 diff-tree -r --abbrev=4 initial
 238 diff-tree --root initial
 239 diff-tree --root --abbrev initial
 240 :noellipses diff-tree --root --abbrev initial
 241 diff-tree --root -r initial
 242 diff-tree --root -r --abbrev initial
 243 :noellipses diff-tree --root -r --abbrev initial
 244 diff-tree --root -r --abbrev=4 initial
 245 :noellipses diff-tree --root -r --abbrev=4 initial
 246 diff-tree -p initial
 247 diff-tree --root -p initial
 248 diff-tree --root -p --abbrev=10 initial
 249 diff-tree --root -p --full-index initial
 250 diff-tree --root -p --full-index --abbrev=10 initial
 251 diff-tree --patch-with-stat initial
 252 diff-tree --root --patch-with-stat initial
 253 diff-tree --patch-with-raw initial
 254 diff-tree --root --patch-with-raw initial
 255
 256 diff-tree --pretty initial
 257 diff-tree --pretty --root initial
 258 diff-tree --pretty -p initial
 259 diff-tree --pretty --stat initial
 260 diff-tree --pretty --summary initial
 261 diff-tree --pretty --stat --summary initial
 262 diff-tree --pretty --root -p initial
 263 diff-tree --pretty --root --stat initial
 264 # improved by Timo's patch
 265 diff-tree --pretty --root --summary initial
 266 # improved by Timo's patch
 267 diff-tree --pretty --root --summary -r initial
 268 diff-tree --pretty --root --stat --summary initial
 269 diff-tree --pretty --patch-with-stat initial
 270 diff-tree --pretty --root --patch-with-stat initial
 271 diff-tree --pretty --patch-with-raw initial
 272 diff-tree --pretty --root --patch-with-raw initial
 273
 274 diff-tree --pretty=oneline initial
 275 diff-tree --pretty=oneline --root initial
 276 diff-tree --pretty=oneline -p initial
 277 diff-tree --pretty=oneline --root -p initial
 278 diff-tree --pretty=oneline --patch-with-stat initial
 279 # improved by Timo's patch
 280 diff-tree --pretty=oneline --root --patch-with-stat initial
 281 diff-tree --pretty=oneline --patch-with-raw initial
 282 diff-tree --pretty=oneline --root --patch-with-raw initial
 283
 284 diff-tree --pretty side
 285 diff-tree --pretty -p side
 286 diff-tree --pretty --patch-with-stat side
 287
 288 diff-tree initial mode
 289 diff-tree --stat initial mode
 290 diff-tree --summary initial mode
 291
 292 diff-tree master
 293 diff-tree -m master
 294 diff-tree -p master
 295 diff-tree -p -m master
 296 diff-tree -c master
 297 diff-tree -c --abbrev master
 298 :noellipses diff-tree -c --abbrev master
 299 diff-tree --cc master
 300 # stat only should show the diffstat with the first parent
 301 diff-tree -c --stat master
 302 diff-tree --cc --stat master
 303 diff-tree -c --stat --summary master
 304 diff-tree --cc --stat --summary master
 305 # stat summary should show the diffstat and summary with the first parent
 306 diff-tree -c --stat --summary side
 307 diff-tree --cc --stat --summary side
 308 diff-tree --cc --shortstat master
 309 diff-tree --cc --summary REVERSE
 310 # improved by Timo's patch
 311 diff-tree --cc --patch-with-stat master
 312 # improved by Timo's patch
 313 diff-tree --cc --patch-with-stat --summary master
 314 # this is correct
 315 diff-tree --cc --patch-with-stat --summary side
 316
 317 log master
 318 log -p master
 319 log --root master
 320 log --root -p master
 321 log --patch-with-stat master
 322 log --root --patch-with-stat master
 323 log --root --patch-with-stat --summary master
 324 # improved by Timo's patch
 325 log --root -c --patch-with-stat --summary master
 326 # improved by Timo's patch
 327 log --root --cc --patch-with-stat --summary master
 328 log --no-diff-merges -p --first-parent master
 329 log --diff-merges=off -p --first-parent master
 330 log --first-parent --diff-merges=off -p master
 331 log -p --first-parent master
 332 log -p --diff-merges=first-parent master
 333 log --diff-merges=first-parent master
 334 log -m -p --first-parent master
 335 log -m -p master
 336 log --cc -m -p master
 337 log -c -m -p master
 338 log -m --raw master
 339 log -m --stat master
 340 log -SF master
 341 log -S F master
 342 log -SF -p master
 343 log -SF master --max-count=0
 344 log -SF master --max-count=1
 345 log -SF master --max-count=2
 346 log -GF master
 347 log -GF -p master
 348 log -GF -p --pickaxe-all master
 349 log -IA -IB -I1 -I2 -p master
 350 log --decorate --all
 351 log --decorate=full --all
 352 log --decorate --clear-decorations --all
 353 log --decorate=full --clear-decorations --all
 354
 355 rev-list --parents HEAD
 356 rev-list --children HEAD
 357
 358 whatchanged master
 359 :noellipses whatchanged master
 360 whatchanged -p master
 361 whatchanged --root master
 362 :noellipses whatchanged --root master
 363 whatchanged --root -p master
 364 whatchanged --patch-with-stat master
 365 whatchanged --root --patch-with-stat master
 366 whatchanged --root --patch-with-stat --summary master
 367 # improved by Timo's patch
 368 whatchanged --root -c --patch-with-stat --summary master
 369 # improved by Timo's patch
 370 whatchanged --root --cc --patch-with-stat --summary master
 371 whatchanged -SF master
 372 :noellipses whatchanged -SF master
 373 whatchanged -SF -p master
 374
 375 log --patch-with-stat master -- dir/
 376 whatchanged --patch-with-stat master -- dir/
 377 log --patch-with-stat --summary master -- dir/
 378 whatchanged --patch-with-stat --summary master -- dir/
 379
 380 show initial
 381 show --root initial
 382 show side
 383 show master
 384 show -c master
 385 show -m master
 386 show --first-parent master
 387 show --stat side
 388 show --stat --summary side
 389 show --patch-with-stat side
 390 show --patch-with-raw side
 391 :noellipses show --patch-with-raw side
 392 show --patch-with-stat --summary side
 393
 394 format-patch --stdout initial..side
 395 format-patch --stdout initial..master^
 396 format-patch --stdout initial..master
 397 format-patch --stdout --no-numbered initial..master
 398 format-patch --stdout --numbered initial..master
 399 format-patch --attach --stdout initial..side
 400 format-patch --attach --stdout --suffix=.diff initial..side
 401 format-patch --attach --stdout initial..master^
 402 format-patch --attach --stdout initial..master
 403 format-patch --inline --stdout initial..side
 404 format-patch --inline --stdout initial..master^
 405 format-patch --inline --stdout --numbered-files initial..master
 406 format-patch --inline --stdout initial..master
 407 format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
 408 config format.subjectprefix DIFFERENT_PREFIX
 409 format-patch --inline --stdout initial..master^^
 410 format-patch --stdout --cover-letter -n initial..master^
 411
 412 diff --abbrev initial..side
 413 diff -U initial..side
 414 diff -U1 initial..side
 415 diff -r initial..side
 416 diff --stat initial..side
 417 diff -r --stat initial..side
 418 diff initial..side
 419 diff --patch-with-stat initial..side
 420 diff --patch-with-raw initial..side
 421 :noellipses diff --patch-with-raw initial..side
 422 diff --patch-with-stat -r initial..side
 423 diff --patch-with-raw -r initial..side
 424 :noellipses diff --patch-with-raw -r initial..side
 425 diff --name-status dir2 dir
 426 diff --no-index --name-status dir2 dir
 427 diff --no-index --name-status -- dir2 dir
 428 diff --no-index dir dir3
 429 diff master master^ side
 430 # Can't use spaces...
 431 diff --line-prefix=abc master master^ side
 432 diff --dirstat master~1 master~2
 433 diff --dirstat initial rearrange
 434 diff --dirstat-by-file initial rearrange
 435 diff --dirstat --cc master~1 master
 436 # No-index --abbrev and --no-abbrev
 437 diff --raw initial
 438 :noellipses diff --raw initial
 439 diff --raw --abbrev=4 initial
 440 :noellipses diff --raw --abbrev=4 initial
 441 diff --raw --no-abbrev initial
 442 diff --no-index --raw dir2 dir
 443 :noellipses diff --no-index --raw dir2 dir
 444 diff --no-index --raw --abbrev=4 dir2 dir
 445 :noellipses diff --no-index --raw --abbrev=4 dir2 dir
 446 diff --no-index --raw --no-abbrev dir2 dir
 447
 448 diff-tree --pretty --root --stat --compact-summary initial
 449 diff-tree --pretty -R --root --stat --compact-summary initial
 450 diff-tree --pretty note
 451 diff-tree --pretty --notes note
 452 diff-tree --format=%N note
 453 diff-tree --stat --compact-summary initial mode
 454 diff-tree -R --stat --compact-summary initial mode
 455 EOF
 456
 457 test_expect_success 'log -m matches pure log' '
 458         git log master >result &&
 459         process_diffs result >expected &&
 460         git log -m >result &&
 461         process_diffs result >actual &&
 462         test_cmp expected actual
 463 '
 464
 465 test_expect_success 'log --diff-merges=on matches --diff-merges=separate' '
 466         git log -p --diff-merges=separate master >result &&
 467         process_diffs result >expected &&
 468         git log -p --diff-merges=on master >result &&
 469         process_diffs result >actual &&
 470         test_cmp expected actual
 471 '
 472
 473 test_expect_success 'log --dd matches --diff-merges=1 -p' '
 474         git log --diff-merges=1 -p master >result &&
 475         process_diffs result >expected &&
 476         git log --dd master >result &&
 477         process_diffs result >actual &&
 478         test_cmp expected actual
 479 '
 480
 481 test_expect_success 'deny wrong log.diffMerges config' '
 482         test_config log.diffMerges wrong-value &&
 483         test_expect_code 128 git log
 484 '
 485
 486 test_expect_success 'git config log.diffMerges first-parent' '
 487         git log -p --diff-merges=first-parent master >result &&
 488         process_diffs result >expected &&
 489         test_config log.diffMerges first-parent &&
 490         git log -p --diff-merges=on master >result &&
 491         process_diffs result >actual &&
 492         test_cmp expected actual
 493 '
 494
 495 test_expect_success 'git config log.diffMerges first-parent vs -m' '
 496         git log -p --diff-merges=first-parent master >result &&
 497         process_diffs result >expected &&
 498         test_config log.diffMerges first-parent &&
 499         git log -p -m master >result &&
 500         process_diffs result >actual &&
 501         test_cmp expected actual
 502 '
 503
 504 # -m in "git diff-index" means "match missing", that differs
 505 # from its meaning in "git diff". Let's check it in diff-index.
 506 # The line in the output for removed file should disappear when
 507 # we provide -m in diff-index.
 508 test_expect_success 'git diff-index -m' '
 509         rm -f file1 &&
 510         git diff-index HEAD >without-m &&
 511         lines_count=$(wc -l <without-m) &&
 512         git diff-index -m HEAD >with-m &&
 513         git restore file1 &&
 514         test_line_count = $((lines_count - 1)) with-m
 515 '
 516
 517 test_expect_success 'log -S requires an argument' '
 518         test_must_fail git log -S
 519 '
 520
 521 test_expect_success 'diff --cached on unborn branch' '
 522         git symbolic-ref HEAD refs/heads/unborn &&
 523         git diff --cached >result &&
 524         process_diffs result >actual &&
 525         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
 526         test_cmp expected actual
 527 '
 528
 529 test_expect_success 'diff --cached -- file on unborn branch' '
 530         git diff --cached -- file0 >result &&
 531         process_diffs result >actual &&
 532         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" >expected &&
 533         test_cmp expected actual
 534 '
 535 test_expect_success 'diff --line-prefix with spaces' '
 536         git diff --line-prefix="| | | " --cached -- file0 >result &&
 537         process_diffs result >actual &&
 538         process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" >expected &&
 539         test_cmp expected actual
 540 '
 541
 542 test_expect_success 'diff-tree --stdin with log formatting' '
 543         cat >expect <<-\EOF &&
 544         Side
 545         Third
 546         Second
 547         EOF
 548         git rev-list master | git diff-tree --stdin --format=%s -s >actual &&
 549         test_cmp expect actual
 550 '
 551
 552 test_expect_success 'diff-tree --stdin with pathspec' '
 553         cat >expect <<-EOF &&
 554         Third
 555
 556         dir/sub
 557         Second
 558
 559         dir/sub
 560         EOF
 561         git rev-list master^ |
 562         git diff-tree -r --stdin --name-only --format=%s dir >actual &&
 563         test_cmp expect actual
 564 '
 565
 566 test_expect_success 'show A B ... -- <pathspec>' '
 567         # side touches dir/sub, file0, and file3
 568         # master^ touches dir/sub, and file1
 569         # master^^ touches dir/sub, file0, and file2
 570         git show --name-only --format="<%s>" side master^ master^^ -- dir >actual &&
 571         cat >expect <<-\EOF &&
 572         <Side>
 573
 574         dir/sub
 575         <Third>
 576
 577         dir/sub
 578         <Second>
 579
 580         dir/sub
 581         EOF
 582         test_cmp expect actual
 583 '
 584
 585 test_expect_success 'diff -I<regex>: setup' '
 586         git checkout master &&
 587         test_seq 50 >file0 &&
 588         git commit -m "Set up -I<regex> test file" file0 &&
 589         test_seq 50 | sed -e "s/13/ten and three/" -e "/7\$/d" >file0 &&
 590         echo >>file0
 591 '
 592 test_expect_success 'diff -I<regex>' '
 593         git diff --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
 594         cat >expect <<-\EOF &&
 595         diff --git a/file0 b/file0
 596         --- a/file0
 597         +++ b/file0
 598         @@ -34,7 +31,6 @@
 599          34
 600          35
 601          36
 602         -37
 603          38
 604          39
 605          40
 606         EOF
 607         compare_diff_patch expect actual
 608 '
 609
 610 test_expect_success 'diff -I<regex> --stat' '
 611         git diff --stat --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
 612         cat >expect <<-\EOF &&
 613          file0 | 1 -
 614          1 file changed, 1 deletion(-)
 615         EOF
 616         test_cmp expect actual
 617 '
 618
 619 test_expect_success 'diff -I<regex>: detect malformed regex' '
 620         test_expect_code 129 git diff --ignore-matching-lines="^[124-9" 2>error &&
 621         test_grep "invalid regex given to -I: " error
 622 '
 623
 624 # check_prefix <patch> <src> <dst>
 625 # check only lines with paths to avoid dependency on exact oid/contents
 626 check_prefix () {
 627         grep -E '^(diff|---|\+\+\+) ' "$1" >actual.paths &&
 628         cat >expect <<-EOF &&
 629         diff --git $2 $3
 630         --- $2
 631         +++ $3
 632         EOF
 633         test_cmp expect actual.paths
 634 }
 635
 636 test_expect_success 'diff-files does not respect diff.noprefix' '
 637         git -c diff.noprefix diff-files -p >actual &&
 638         check_prefix actual a/file0 b/file0
 639 '
 640
 641 test_expect_success 'diff-files respects --no-prefix' '
 642         git diff-files -p --no-prefix >actual &&
 643         check_prefix actual file0 file0
 644 '
 645
 646 test_expect_success 'diff respects diff.noprefix' '
 647         git -c diff.noprefix diff >actual &&
 648         check_prefix actual file0 file0
 649 '
 650
 651 test_expect_success 'diff --default-prefix overrides diff.noprefix' '
 652         git -c diff.noprefix diff --default-prefix >actual &&
 653         check_prefix actual a/file0 b/file0
 654 '
 655
 656 test_expect_success 'diff respects diff.mnemonicprefix' '
 657         git -c diff.mnemonicprefix diff >actual &&
 658         check_prefix actual i/file0 w/file0
 659 '
 660
 661 test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' '
 662         git -c diff.mnemonicprefix diff --default-prefix >actual &&
 663         check_prefix actual a/file0 b/file0
 664 '
 665
 666 test_expect_success 'diff --no-renames cannot be abbreviated' '
 667         test_expect_code 129 git diff --no-rename >actual 2>error &&
 668         test_must_be_empty actual &&
 669         grep "invalid option: --no-rename" error
 670 '
 671
 672 test_done