t/t3701-add-interactive.sh

   1 #!/bin/sh
   2
   3 test_description='add -i basic tests'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8 . "$TEST_DIRECTORY"/lib-terminal.sh
   9
  10 if test_have_prereq !ADD_I_USE_BUILTIN,!PERL
  11 then
  12         skip_all='skipping add -i (scripted) tests, perl not available'
  13         test_done
  14 fi
  15
  16 diff_cmp () {
  17         for x
  18         do
  19                 sed  -e '/^index/s/[0-9a-f]*[1-9a-f][0-9a-f]*\.\./1234567../' \
  20                      -e '/^index/s/\.\.[0-9a-f]*[1-9a-f][0-9a-f]*/..9abcdef/' \
  21                      -e '/^index/s/ 00*\.\./ 0000000../' \
  22                      -e '/^index/s/\.\.00*$/..0000000/' \
  23                      -e '/^index/s/\.\.00* /..0000000 /' \
  24                      "$x" >"$x.filtered"
  25         done
  26         test_cmp "$1.filtered" "$2.filtered"
  27 }
  28
  29 # This function uses a trick to manipulate the interactive add to use color:
  30 # the `want_color()` function special-cases the situation where a pager was
  31 # spawned and Git now wants to output colored text: to detect that situation,
  32 # the environment variable `GIT_PAGER_IN_USE` is set. However, color is
  33 # suppressed despite that environment variable if the `TERM` variable
  34 # indicates a dumb terminal, so we set that variable, too.
  35
  36 force_color () {
  37         # The first element of $@ may be a shell function, as a result POSIX
  38         # does not guarantee that "one-shot assignment" will not persist after
  39         # the function call. Thus, we prevent these variables from escaping
  40         # this function's context with this subshell.
  41         (
  42                 GIT_PAGER_IN_USE=true &&
  43                 TERM=vt100 &&
  44                 export GIT_PAGER_IN_USE TERM &&
  45                 "$@"
  46         )
  47 }
  48
  49 test_expect_success 'setup (initial)' '
  50         echo content >file &&
  51         git add file &&
  52         echo more >>file &&
  53         echo lines >>file
  54 '
  55 test_expect_success 'status works (initial)' '
  56         git add -i </dev/null >output &&
  57         grep "+1/-0 *+2/-0 file" output
  58 '
  59
  60 test_expect_success 'setup expected' '
  61         cat >expected <<-\EOF
  62         new file mode 100644
  63         index 0000000..d95f3ad
  64         --- /dev/null
  65         +++ b/file
  66         @@ -0,0 +1 @@
  67         +content
  68         EOF
  69 '
  70
  71 test_expect_success 'diff works (initial)' '
  72         test_write_lines d 1 | git add -i >output &&
  73         sed -ne "/new file/,/content/p" <output >diff &&
  74         diff_cmp expected diff
  75 '
  76 test_expect_success 'revert works (initial)' '
  77         git add file &&
  78         test_write_lines r 1 | git add -i &&
  79         git ls-files >output &&
  80         ! grep . output
  81 '
  82
  83 test_expect_success 'add untracked (multiple)' '
  84         test_when_finished "git reset && rm [1-9]" &&
  85         touch $(test_seq 9) &&
  86         test_write_lines a "2-5 8-" | git add -i -- [1-9] &&
  87         test_write_lines 2 3 4 5 8 9 >expected &&
  88         git ls-files [1-9] >output &&
  89         test_cmp expected output
  90 '
  91
  92 test_expect_success 'setup (commit)' '
  93         echo baseline >file &&
  94         git add file &&
  95         git commit -m commit &&
  96         echo content >>file &&
  97         git add file &&
  98         echo more >>file &&
  99         echo lines >>file
 100 '
 101 test_expect_success 'status works (commit)' '
 102         git add -i </dev/null >output &&
 103         grep "+1/-0 *+2/-0 file" output
 104 '
 105
 106 test_expect_success 'update can stage deletions' '
 107         >to-delete &&
 108         git add to-delete &&
 109         rm to-delete &&
 110         test_write_lines u t "" | git add -i &&
 111         git ls-files to-delete >output &&
 112         test_must_be_empty output
 113 '
 114
 115 test_expect_success 'setup expected' '
 116         cat >expected <<-\EOF
 117         index 180b47c..b6f2c08 100644
 118         --- a/file
 119         +++ b/file
 120         @@ -1 +1,2 @@
 121          baseline
 122         +content
 123         EOF
 124 '
 125
 126 test_expect_success 'diff works (commit)' '
 127         test_write_lines d 1 | git add -i >output &&
 128         sed -ne "/^index/,/content/p" <output >diff &&
 129         diff_cmp expected diff
 130 '
 131 test_expect_success 'revert works (commit)' '
 132         git add file &&
 133         test_write_lines r 1 | git add -i &&
 134         git add -i </dev/null >output &&
 135         grep "unchanged *+3/-0 file" output
 136 '
 137
 138 test_expect_success 'setup expected' '
 139         cat >expected <<-\EOF
 140         EOF
 141 '
 142
 143 test_expect_success 'dummy edit works' '
 144         test_set_editor : &&
 145         test_write_lines e a | git add -p &&
 146         git diff > diff &&
 147         diff_cmp expected diff
 148 '
 149
 150 test_expect_success 'setup patch' '
 151         cat >patch <<-\EOF
 152         @@ -1,1 +1,4 @@
 153          this
 154         +patch
 155         -does not
 156          apply
 157         EOF
 158 '
 159
 160 test_expect_success 'setup fake editor' '
 161         write_script "fake_editor.sh" <<-\EOF &&
 162         mv -f "$1" oldpatch &&
 163         mv -f patch "$1"
 164         EOF
 165         test_set_editor "$(pwd)/fake_editor.sh"
 166 '
 167
 168 test_expect_success 'bad edit rejected' '
 169         git reset &&
 170         test_write_lines e n d | git add -p >output &&
 171         grep "hunk does not apply" output
 172 '
 173
 174 test_expect_success 'setup patch' '
 175         cat >patch <<-\EOF
 176         this patch
 177         is garbage
 178         EOF
 179 '
 180
 181 test_expect_success 'garbage edit rejected' '
 182         git reset &&
 183         test_write_lines e n d | git add -p >output &&
 184         grep "hunk does not apply" output
 185 '
 186
 187 test_expect_success 'setup patch' '
 188         cat >patch <<-\EOF
 189         @@ -1,0 +1,0 @@
 190          baseline
 191         +content
 192         +newcontent
 193         +lines
 194         EOF
 195 '
 196
 197 test_expect_success 'setup expected' '
 198         cat >expected <<-\EOF
 199         diff --git a/file b/file
 200         index b5dd6c9..f910ae9 100644
 201         --- a/file
 202         +++ b/file
 203         @@ -1,4 +1,4 @@
 204          baseline
 205          content
 206         -newcontent
 207         +more
 208          lines
 209         EOF
 210 '
 211
 212 test_expect_success 'real edit works' '
 213         test_write_lines e n d | git add -p &&
 214         git diff >output &&
 215         diff_cmp expected output
 216 '
 217
 218 test_expect_success 'setup file' '
 219         test_write_lines a "" b "" c >file &&
 220         git add file &&
 221         test_write_lines a "" d "" c >file
 222 '
 223
 224 test_expect_success 'setup patch' '
 225         SP=" " &&
 226         NULL="" &&
 227         cat >patch <<-EOF
 228         @@ -1,4 +1,4 @@
 229          a
 230         $NULL
 231         -b
 232         +f
 233         $SP
 234         c
 235         EOF
 236 '
 237
 238 test_expect_success 'setup expected' '
 239         cat >expected <<-EOF
 240         diff --git a/file b/file
 241         index b5dd6c9..f910ae9 100644
 242         --- a/file
 243         +++ b/file
 244         @@ -1,5 +1,5 @@
 245          a
 246         $SP
 247         -f
 248         +d
 249         $SP
 250          c
 251         EOF
 252 '
 253
 254 test_expect_success 'edit can strip spaces from empty context lines' '
 255         test_write_lines e n q | git add -p 2>error &&
 256         test_must_be_empty error &&
 257         git diff >output &&
 258         diff_cmp expected output
 259 '
 260
 261 test_expect_success 'skip files similarly as commit -a' '
 262         git reset &&
 263         echo file >.gitignore &&
 264         echo changed >file &&
 265         echo y | git add -p file &&
 266         git diff >output &&
 267         git reset &&
 268         git commit -am commit &&
 269         git diff >expected &&
 270         diff_cmp expected output &&
 271         git reset --hard HEAD^
 272 '
 273 rm -f .gitignore
 274
 275 test_expect_success FILEMODE 'patch does not affect mode' '
 276         git reset --hard &&
 277         echo content >>file &&
 278         chmod +x file &&
 279         printf "n\\ny\\n" | git add -p &&
 280         git show :file | grep content &&
 281         git diff file | grep "new mode"
 282 '
 283
 284 test_expect_success FILEMODE 'stage mode but not hunk' '
 285         git reset --hard &&
 286         echo content >>file &&
 287         chmod +x file &&
 288         printf "y\\nn\\n" | git add -p &&
 289         git diff --cached file | grep "new mode" &&
 290         git diff          file | grep "+content"
 291 '
 292
 293
 294 test_expect_success FILEMODE 'stage mode and hunk' '
 295         git reset --hard &&
 296         echo content >>file &&
 297         chmod +x file &&
 298         printf "y\\ny\\n" | git add -p &&
 299         git diff --cached file | grep "new mode" &&
 300         git diff --cached file | grep "+content" &&
 301         test -z "$(git diff file)"
 302 '
 303
 304 # end of tests disabled when filemode is not usable
 305
 306 test_expect_success 'different prompts for mode change/deleted' '
 307         git reset --hard &&
 308         >file &&
 309         >deleted &&
 310         git add --chmod=+x file deleted &&
 311         echo changed >file &&
 312         rm deleted &&
 313         test_write_lines n n n |
 314         git -c core.filemode=true add -p >actual &&
 315         sed -n "s/^\(([0-9/]*) Stage .*?\).*/\1/p" actual >actual.filtered &&
 316         cat >expect <<-\EOF &&
 317         (1/1) Stage deletion [y,n,q,a,d,?]?
 318         (1/2) Stage mode change [y,n,q,a,d,j,J,g,/,?]?
 319         (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]?
 320         EOF
 321         test_cmp expect actual.filtered
 322 '
 323
 324 test_expect_success 'correct message when there is nothing to do' '
 325         git reset --hard &&
 326         git add -p 2>err &&
 327         test_i18ngrep "No changes" err &&
 328         printf "\\0123" >binary &&
 329         git add binary &&
 330         printf "\\0abc" >binary &&
 331         git add -p 2>err &&
 332         test_i18ngrep "Only binary files changed" err
 333 '
 334
 335 test_expect_success 'setup again' '
 336         git reset --hard &&
 337         test_chmod +x file &&
 338         echo content >>file &&
 339         test_write_lines A B C D>file2 &&
 340         git add file2
 341 '
 342
 343 # Write the patch file with a new line at the top and bottom
 344 test_expect_success 'setup patch' '
 345         cat >patch <<-\EOF
 346         index 180b47c..b6f2c08 100644
 347         --- a/file
 348         +++ b/file
 349         @@ -1,2 +1,4 @@
 350         +firstline
 351          baseline
 352          content
 353         +lastline
 354         \ No newline at end of file
 355         diff --git a/file2 b/file2
 356         index 8422d40..35b930a 100644
 357         --- a/file2
 358         +++ b/file2
 359         @@ -1,4 +1,5 @@
 360         -A
 361         +Z
 362          B
 363         +Y
 364          C
 365         -D
 366         +X
 367         EOF
 368 '
 369
 370 # Expected output, diff is similar to the patch but w/ diff at the top
 371 test_expect_success 'setup expected' '
 372         echo diff --git a/file b/file >expected &&
 373         sed -e "/^index 180b47c/s/ 100644/ 100755/" \
 374             -e /1,5/s//1,4/ \
 375             -e /Y/d patch >>expected &&
 376         cat >expected-output <<-\EOF
 377         --- a/file
 378         +++ b/file
 379         @@ -1,2 +1,4 @@
 380         +firstline
 381          baseline
 382          content
 383         +lastline
 384         \ No newline at end of file
 385         @@ -1,2 +1,3 @@
 386         +firstline
 387          baseline
 388          content
 389         @@ -1,2 +2,3 @@
 390          baseline
 391          content
 392         +lastline
 393         \ No newline at end of file
 394         --- a/file2
 395         +++ b/file2
 396         @@ -1,4 +1,5 @@
 397         -A
 398         +Z
 399          B
 400         +Y
 401          C
 402         -D
 403         +X
 404         @@ -1,2 +1,2 @@
 405         -A
 406         +Z
 407          B
 408         @@ -2,2 +2,3 @@
 409          B
 410         +Y
 411          C
 412         @@ -3,2 +4,2 @@
 413          C
 414         -D
 415         +X
 416         EOF
 417 '
 418
 419 # Test splitting the first patch, then adding both
 420 test_expect_success 'add first line works' '
 421         git commit -am "clear local changes" &&
 422         git apply patch &&
 423         test_write_lines s y y s y n y | git add -p 2>error >raw-output &&
 424         sed -n -e "s/^([1-9]\/[1-9]) Stage this hunk[^@]*\(@@ .*\)/\1/" \
 425                -e "/^[-+@ \\\\]"/p raw-output >output &&
 426         test_must_be_empty error &&
 427         git diff --cached >diff &&
 428         diff_cmp expected diff &&
 429         test_cmp expected-output output
 430 '
 431
 432 test_expect_success 'setup expected' '
 433         cat >expected <<-\EOF
 434         diff --git a/non-empty b/non-empty
 435         deleted file mode 100644
 436         index d95f3ad..0000000
 437         --- a/non-empty
 438         +++ /dev/null
 439         @@ -1 +0,0 @@
 440         -content
 441         EOF
 442 '
 443
 444 test_expect_success 'deleting a non-empty file' '
 445         git reset --hard &&
 446         echo content >non-empty &&
 447         git add non-empty &&
 448         git commit -m non-empty &&
 449         rm non-empty &&
 450         echo y | git add -p non-empty &&
 451         git diff --cached >diff &&
 452         diff_cmp expected diff
 453 '
 454
 455 test_expect_success 'setup expected' '
 456         cat >expected <<-\EOF
 457         diff --git a/empty b/empty
 458         deleted file mode 100644
 459         index e69de29..0000000
 460         EOF
 461 '
 462
 463 test_expect_success 'deleting an empty file' '
 464         git reset --hard &&
 465         > empty &&
 466         git add empty &&
 467         git commit -m empty &&
 468         rm empty &&
 469         echo y | git add -p empty &&
 470         git diff --cached >diff &&
 471         diff_cmp expected diff
 472 '
 473
 474 test_expect_success 'adding an empty file' '
 475         git init added &&
 476         (
 477                 cd added &&
 478                 test_commit initial &&
 479                 >empty &&
 480                 git add empty &&
 481                 test_tick &&
 482                 git commit -m empty &&
 483                 git tag added-file &&
 484                 git reset --hard HEAD^ &&
 485                 test_path_is_missing empty &&
 486
 487                 echo y | git checkout -p added-file -- >actual &&
 488                 test_path_is_file empty &&
 489                 test_i18ngrep "Apply addition to index and worktree" actual
 490         )
 491 '
 492
 493 test_expect_success 'split hunk setup' '
 494         git reset --hard &&
 495         test_write_lines 10 20 30 40 50 60 >test &&
 496         git add test &&
 497         test_tick &&
 498         git commit -m test &&
 499
 500         test_write_lines 10 15 20 21 22 23 24 30 40 50 60 >test
 501 '
 502
 503 test_expect_success 'goto hunk' '
 504         test_when_finished "git reset" &&
 505         tr _ " " >expect <<-EOF &&
 506         (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? + 1:  -1,2 +1,3          +15
 507         _ 2:  -2,4 +3,8          +21
 508         go to which hunk? @@ -1,2 +1,3 @@
 509         _10
 510         +15
 511         _20
 512         (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
 513         EOF
 514         test_write_lines s y g 1 | git add -p >actual &&
 515         tail -n 7 <actual >actual.trimmed &&
 516         test_cmp expect actual.trimmed
 517 '
 518
 519 test_expect_success 'navigate to hunk via regex' '
 520         test_when_finished "git reset" &&
 521         tr _ " " >expect <<-EOF &&
 522         (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? @@ -1,2 +1,3 @@
 523         _10
 524         +15
 525         _20
 526         (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
 527         EOF
 528         test_write_lines s y /1,2 | git add -p >actual &&
 529         tail -n 5 <actual >actual.trimmed &&
 530         test_cmp expect actual.trimmed
 531 '
 532
 533 test_expect_success 'split hunk "add -p (edit)"' '
 534         # Split, say Edit and do nothing.  Then:
 535         #
 536         # 1. Broken version results in a patch that does not apply and
 537         # only takes [y/n] (edit again) so the first q is discarded
 538         # and then n attempts to discard the edit. Repeat q enough
 539         # times to get out.
 540         #
 541         # 2. Correct version applies the (not)edited version, and asks
 542         #    about the next hunk, against which we say q and program
 543         #    exits.
 544         printf "%s\n" s e     q n q q |
 545         EDITOR=: git add -p &&
 546         git diff >actual &&
 547         ! grep "^+15" actual
 548 '
 549
 550 test_expect_success 'setup ADD_I_USE_BUILTIN check' '
 551         result=success &&
 552         if ! test_have_prereq ADD_I_USE_BUILTIN
 553         then
 554                 result=failure
 555         fi
 556 '
 557
 558 test_expect_$result 'split hunk "add -p (no, yes, edit)"' '
 559         test_write_lines 5 10 20 21 30 31 40 50 60 >test &&
 560         git reset &&
 561         # test sequence is s(plit), n(o), y(es), e(dit)
 562         # q n q q is there to make sure we exit at the end.
 563         printf "%s\n" s n y e   q n q q |
 564         EDITOR=: git add -p 2>error &&
 565         test_must_be_empty error &&
 566         git diff >actual &&
 567         ! grep "^+31" actual
 568 '
 569
 570 test_expect_success 'split hunk with incomplete line at end' '
 571         git reset --hard &&
 572         printf "missing LF" >>test &&
 573         git add test &&
 574         test_write_lines before 10 20 30 40 50 60 70 >test &&
 575         git grep --cached missing &&
 576         test_write_lines s n y q | git add -p &&
 577         test_must_fail git grep --cached missing &&
 578         git grep before &&
 579         test_must_fail git grep --cached before
 580 '
 581
 582 test_expect_$result 'edit, adding lines to the first hunk' '
 583         test_write_lines 10 11 20 30 40 50 51 60 >test &&
 584         git reset &&
 585         tr _ " " >patch <<-EOF &&
 586         @@ -1,5 +1,6 @@
 587         _10
 588         +11
 589         +12
 590         _20
 591         +21
 592         +22
 593         _30
 594         EOF
 595         # test sequence is s(plit), e(dit), n(o)
 596         # q n q q is there to make sure we exit at the end.
 597         printf "%s\n" s e n   q n q q |
 598         EDITOR=./fake_editor.sh git add -p 2>error &&
 599         test_must_be_empty error &&
 600         git diff --cached >actual &&
 601         grep "^+22" actual
 602 '
 603
 604 test_expect_success 'patch mode ignores unmerged entries' '
 605         git reset --hard &&
 606         test_commit conflict &&
 607         test_commit non-conflict &&
 608         git checkout -b side &&
 609         test_commit side conflict.t &&
 610         git checkout main &&
 611         test_commit main conflict.t &&
 612         test_must_fail git merge side &&
 613         echo changed >non-conflict.t &&
 614         echo y | git add -p >output &&
 615         ! grep a/conflict.t output &&
 616         cat >expected <<-\EOF &&
 617         * Unmerged path conflict.t
 618         diff --git a/non-conflict.t b/non-conflict.t
 619         index f766221..5ea2ed4 100644
 620         --- a/non-conflict.t
 621         +++ b/non-conflict.t
 622         @@ -1 +1 @@
 623         -non-conflict
 624         +changed
 625         EOF
 626         git diff --cached >diff &&
 627         diff_cmp expected diff
 628 '
 629
 630 test_expect_success 'index is refreshed after applying patch' '
 631         git reset --hard &&
 632         echo content >test &&
 633         printf y | git add -p &&
 634         git diff-files --exit-code
 635 '
 636
 637 test_expect_success 'diffs can be colorized' '
 638         git reset --hard &&
 639
 640         echo content >test &&
 641         printf y >y &&
 642         force_color git add -p >output 2>&1 <y &&
 643         git diff-files --exit-code &&
 644
 645         # We do not want to depend on the exact coloring scheme
 646         # git uses for diffs, so just check that we saw some kind of color.
 647         grep "$(printf "\\033")" output
 648 '
 649
 650 test_expect_success 'colors can be overridden' '
 651         git reset --hard &&
 652         test_when_finished "git rm -f color-test" &&
 653         test_write_lines context old more-context >color-test &&
 654         git add color-test &&
 655         test_write_lines context new more-context another-one >color-test &&
 656
 657         echo trigger an error message >input &&
 658         force_color git \
 659                 -c color.interactive.error=blue \
 660                 add -i 2>err.raw <input &&
 661         test_decode_color <err.raw >err &&
 662         grep "<BLUE>Huh (trigger)?<RESET>" err &&
 663
 664         test_write_lines help quit >input &&
 665         force_color git \
 666                 -c color.interactive.header=red \
 667                 -c color.interactive.help=green \
 668                 -c color.interactive.prompt=yellow \
 669                 add -i >actual.raw <input &&
 670         test_decode_color <actual.raw >actual &&
 671         cat >expect <<-\EOF &&
 672         <RED>           staged     unstaged path<RESET>
 673           1:        +3/-0        +2/-1 color-test
 674
 675         <RED>*** Commands ***<RESET>
 676           1: <YELLOW>s<RESET>tatus        2: <YELLOW>u<RESET>pdate        3: <YELLOW>r<RESET>evert        4: <YELLOW>a<RESET>dd untracked
 677           5: <YELLOW>p<RESET>atch         6: <YELLOW>d<RESET>iff          7: <YELLOW>q<RESET>uit          8: <YELLOW>h<RESET>elp
 678         <YELLOW>What now<RESET>> <GREEN>status        - show paths with changes<RESET>
 679         <GREEN>update        - add working tree state to the staged set of changes<RESET>
 680         <GREEN>revert        - revert staged set of changes back to the HEAD version<RESET>
 681         <GREEN>patch         - pick hunks and update selectively<RESET>
 682         <GREEN>diff          - view diff between HEAD and index<RESET>
 683         <GREEN>add untracked - add contents of untracked files to the staged set of changes<RESET>
 684         <RED>*** Commands ***<RESET>
 685           1: <YELLOW>s<RESET>tatus        2: <YELLOW>u<RESET>pdate        3: <YELLOW>r<RESET>evert        4: <YELLOW>a<RESET>dd untracked
 686           5: <YELLOW>p<RESET>atch         6: <YELLOW>d<RESET>iff          7: <YELLOW>q<RESET>uit          8: <YELLOW>h<RESET>elp
 687         <YELLOW>What now<RESET>> Bye.
 688         EOF
 689         test_cmp expect actual &&
 690
 691         : exercise recolor_hunk by editing and then look at the hunk again &&
 692         test_write_lines s e K q >input &&
 693         force_color git \
 694                 -c color.interactive.prompt=yellow \
 695                 -c color.diff.meta=italic \
 696                 -c color.diff.frag=magenta \
 697                 -c color.diff.context=cyan \
 698                 -c color.diff.old=bold \
 699                 -c color.diff.new=blue \
 700                 -c core.editor=touch \
 701                 add -p >actual.raw <input &&
 702         test_decode_color <actual.raw >actual.decoded &&
 703         sed "s/index [0-9a-f]*\\.\\.[0-9a-f]* 100644/<INDEX-LINE>/" <actual.decoded >actual &&
 704         cat >expect <<-\EOF &&
 705         <ITALIC>diff --git a/color-test b/color-test<RESET>
 706         <ITALIC><INDEX-LINE><RESET>
 707         <ITALIC>--- a/color-test<RESET>
 708         <ITALIC>+++ b/color-test<RESET>
 709         <MAGENTA>@@ -1,3 +1,4 @@<RESET>
 710         <CYAN> context<RESET>
 711         <BOLD>-old<RESET>
 712         <BLUE>+<RESET><BLUE>new<RESET>
 713         <CYAN> more-context<RESET>
 714         <BLUE>+<RESET><BLUE>another-one<RESET>
 715         <YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,?]? <RESET><BOLD>Split into 2 hunks.<RESET>
 716         <MAGENTA>@@ -1,3 +1,3 @@<RESET>
 717         <CYAN> context<RESET>
 718         <BOLD>-old<RESET>
 719         <BLUE>+<RESET><BLUE>new<RESET>
 720         <CYAN> more-context<RESET>
 721         <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET>
 722         <CYAN> more-context<RESET>
 723         <BLUE>+<RESET><BLUE>another-one<RESET>
 724         <YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET>
 725         <CYAN> context<RESET>
 726         <BOLD>-old<RESET>
 727         <BLUE>+new<RESET>
 728         <CYAN> more-context<RESET>
 729         <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET>
 730         EOF
 731         test_cmp expect actual
 732 '
 733
 734 test_expect_success 'colorized diffs respect diff.wsErrorHighlight' '
 735         git reset --hard &&
 736
 737         echo "old " >test &&
 738         git add test &&
 739         echo "new " >test &&
 740
 741         printf y >y &&
 742         force_color git -c diff.wsErrorHighlight=all add -p >output.raw 2>&1 <y &&
 743         test_decode_color <output.raw >output &&
 744         grep "old<" output
 745 '
 746
 747 test_expect_success 'diffFilter filters diff' '
 748         git reset --hard &&
 749
 750         echo content >test &&
 751         test_config interactive.diffFilter "sed s/^/foo:/" &&
 752         printf y >y &&
 753         force_color git add -p >output 2>&1 <y &&
 754
 755         # avoid depending on the exact coloring or content of the prompts,
 756         # and just make sure we saw our diff prefixed
 757         grep foo:.*content output
 758 '
 759
 760 test_expect_success 'detect bogus diffFilter output' '
 761         git reset --hard &&
 762
 763         echo content >test &&
 764         test_config interactive.diffFilter "sed 6d" &&
 765         printf y >y &&
 766         force_color test_must_fail git add -p <y >output 2>&1 &&
 767         grep "mismatched output" output
 768 '
 769
 770 test_expect_success 'handle iffy colored hunk headers' '
 771         git reset --hard &&
 772
 773         echo content >test &&
 774         printf n >n &&
 775         force_color git -c interactive.diffFilter="sed s/.*@@.*/XX/" \
 776                 add -p >output 2>&1 <n &&
 777         grep "^XX$" output
 778 '
 779
 780 test_expect_success 'handle very large filtered diff' '
 781         git reset --hard &&
 782         # The specific number here is not important, but it must
 783         # be large enough that the output of "git diff --color"
 784         # fills up the pipe buffer. 10,000 results in ~200k of
 785         # colored output.
 786         test_seq 10000 >test &&
 787         test_config interactive.diffFilter cat &&
 788         printf y >y &&
 789         force_color git add -p >output 2>&1 <y &&
 790         git diff-files --exit-code -- test
 791 '
 792
 793 test_expect_success 'diff.algorithm is passed to `git diff-files`' '
 794         git reset --hard &&
 795
 796         >file &&
 797         git add file &&
 798         echo changed >file &&
 799         test_must_fail git -c diff.algorithm=bogus add -p 2>err &&
 800         test_i18ngrep "error: option diff-algorithm accepts " err
 801 '
 802
 803 test_expect_success 'patch-mode via -i prompts for files' '
 804         git reset --hard &&
 805
 806         echo one >file &&
 807         echo two >test &&
 808         git add -i <<-\EOF &&
 809         patch
 810         test
 811
 812         y
 813         quit
 814         EOF
 815
 816         echo test >expect &&
 817         git diff --cached --name-only >actual &&
 818         diff_cmp expect actual
 819 '
 820
 821 test_expect_success 'add -p handles globs' '
 822         git reset --hard &&
 823
 824         mkdir -p subdir &&
 825         echo base >one.c &&
 826         echo base >subdir/two.c &&
 827         git add "*.c" &&
 828         git commit -m base &&
 829
 830         echo change >one.c &&
 831         echo change >subdir/two.c &&
 832         git add -p "*.c" <<-\EOF &&
 833         y
 834         y
 835         EOF
 836
 837         cat >expect <<-\EOF &&
 838         one.c
 839         subdir/two.c
 840         EOF
 841         git diff --cached --name-only >actual &&
 842         test_cmp expect actual
 843 '
 844
 845 test_expect_success 'add -p handles relative paths' '
 846         git reset --hard &&
 847
 848         echo base >relpath.c &&
 849         git add "*.c" &&
 850         git commit -m relpath &&
 851
 852         echo change >relpath.c &&
 853         mkdir -p subdir &&
 854         git -C subdir add -p .. 2>error <<-\EOF &&
 855         y
 856         EOF
 857
 858         test_must_be_empty error &&
 859
 860         cat >expect <<-\EOF &&
 861         relpath.c
 862         EOF
 863         git diff --cached --name-only >actual &&
 864         test_cmp expect actual
 865 '
 866
 867 test_expect_success 'add -p does not expand argument lists' '
 868         git reset --hard &&
 869
 870         echo content >not-changed &&
 871         git add not-changed &&
 872         git commit -m "add not-changed file" &&
 873
 874         echo change >file &&
 875         GIT_TRACE=$(pwd)/trace.out git add -p . <<-\EOF &&
 876         y
 877         EOF
 878
 879         # we know that "file" must be mentioned since we actually
 880         # update it, but we want to be sure that our "." pathspec
 881         # was not expanded into the argument list of any command.
 882         # So look only for "not-changed".
 883         ! grep -E "^trace: (built-in|exec|run_command): .*not-changed" trace.out
 884 '
 885
 886 test_expect_success 'hunk-editing handles custom comment char' '
 887         git reset --hard &&
 888         echo change >>file &&
 889         test_config core.commentChar "\$" &&
 890         echo e | GIT_EDITOR=true git add -p &&
 891         git diff --exit-code
 892 '
 893
 894 test_expect_success 'add -p works even with color.ui=always' '
 895         git reset --hard &&
 896         echo change >>file &&
 897         test_config color.ui always &&
 898         echo y | git add -p &&
 899         echo file >expect &&
 900         git diff --cached --name-only >actual &&
 901         test_cmp expect actual
 902 '
 903
 904 test_expect_success 'setup different kinds of dirty submodules' '
 905         test_create_repo for-submodules &&
 906         (
 907                 cd for-submodules &&
 908                 test_commit initial &&
 909                 test_create_repo dirty-head &&
 910                 (
 911                         cd dirty-head &&
 912                         test_commit initial
 913                 ) &&
 914                 cp -R dirty-head dirty-otherwise &&
 915                 cp -R dirty-head dirty-both-ways &&
 916                 git add dirty-head &&
 917                 git add dirty-otherwise dirty-both-ways &&
 918                 git commit -m initial &&
 919
 920                 cd dirty-head &&
 921                 test_commit updated &&
 922                 cd ../dirty-both-ways &&
 923                 test_commit updated &&
 924                 echo dirty >>initial &&
 925                 : >untracked &&
 926                 cd ../dirty-otherwise &&
 927                 echo dirty >>initial &&
 928                 : >untracked
 929         ) &&
 930         git -C for-submodules diff-files --name-only >actual &&
 931         cat >expected <<-\EOF &&
 932         dirty-both-ways
 933         dirty-head
 934         EOF
 935         test_cmp expected actual &&
 936         git -C for-submodules diff-files --name-only --ignore-submodules=none >actual &&
 937         cat >expected <<-\EOF &&
 938         dirty-both-ways
 939         dirty-head
 940         dirty-otherwise
 941         EOF
 942         test_cmp expected actual &&
 943         git -C for-submodules diff-files --name-only --ignore-submodules=dirty >actual &&
 944         cat >expected <<-\EOF &&
 945         dirty-both-ways
 946         dirty-head
 947         EOF
 948         test_cmp expected actual
 949 '
 950
 951 test_expect_success 'status ignores dirty submodules (except HEAD)' '
 952         git -C for-submodules add -i </dev/null >output &&
 953         grep dirty-head output &&
 954         grep dirty-both-ways output &&
 955         ! grep dirty-otherwise output
 956 '
 957
 958 test_expect_success 'handle submodules' '
 959         echo 123 >>for-submodules/dirty-otherwise/initial.t &&
 960
 961         force_color git -C for-submodules add -p dirty-otherwise >output 2>&1 &&
 962         grep "No changes" output &&
 963
 964         force_color git -C for-submodules add -p dirty-head >output 2>&1 <y &&
 965         git -C for-submodules ls-files --stage dirty-head >actual &&
 966         rev="$(git -C for-submodules/dirty-head rev-parse HEAD)" &&
 967         grep "$rev" actual
 968 '
 969
 970 test_expect_success 'set up pathological context' '
 971         git reset --hard &&
 972         test_write_lines a a a a a a a a a a a >a &&
 973         git add a &&
 974         git commit -m a &&
 975         test_write_lines c b a a a a a a a b a a a a >a &&
 976         test_write_lines     a a a a a a a b a a a a >expected-1 &&
 977         test_write_lines   b a a a a a a a b a a a a >expected-2 &&
 978         # check editing can cope with missing header and deleted context lines
 979         # as well as changes to other lines
 980         test_write_lines +b " a" >patch
 981 '
 982
 983 test_expect_success 'add -p works with pathological context lines' '
 984         git reset &&
 985         printf "%s\n" n y |
 986         git add -p &&
 987         git cat-file blob :a >actual &&
 988         test_cmp expected-1 actual
 989 '
 990
 991 test_expect_success 'add -p patch editing works with pathological context lines' '
 992         git reset &&
 993         # n q q below is in case edit fails
 994         printf "%s\n" e y    n q q |
 995         git add -p &&
 996         git cat-file blob :a >actual &&
 997         test_cmp expected-2 actual
 998 '
 999
1000 test_expect_success 'checkout -p works with pathological context lines' '
1001         test_write_lines a a a a a a >a &&
1002         git add a &&
1003         test_write_lines a b a b a b a b a b a >a &&
1004         test_write_lines s n n y q | git checkout -p &&
1005         test_write_lines a b a b a a b a b a >expect &&
1006         test_cmp expect a
1007 '
1008
1009 # This should be called from a subshell as it sets a temporary editor
1010 setup_new_file() {
1011         write_script new-file-editor.sh <<-\EOF &&
1012         sed /^#/d "$1" >patch &&
1013         sed /^+c/d patch >"$1"
1014         EOF
1015         test_set_editor "$(pwd)/new-file-editor.sh" &&
1016         test_write_lines a b c d e f >new-file &&
1017         test_write_lines a b d e f >new-file-expect &&
1018         test_write_lines "@@ -0,0 +1,6 @@" +a +b +c +d +e +f >patch-expect
1019 }
1020
1021 test_expect_success 'add -N followed by add -p patch editing' '
1022         git reset --hard &&
1023         (
1024                 setup_new_file &&
1025                 git add -N new-file &&
1026                 test_write_lines e n q | git add -p &&
1027                 git cat-file blob :new-file >actual &&
1028                 test_cmp new-file-expect actual &&
1029                 test_cmp patch-expect patch
1030         )
1031 '
1032
1033 test_expect_success 'checkout -p patch editing of added file' '
1034         git reset --hard &&
1035         (
1036                 setup_new_file &&
1037                 git add new-file &&
1038                 git commit -m "add new file" &&
1039                 git rm new-file &&
1040                 git commit -m "remove new file" &&
1041                 test_write_lines e n q | git checkout -p HEAD^ &&
1042                 test_cmp new-file-expect new-file &&
1043                 test_cmp patch-expect patch
1044         )
1045 '
1046
1047 test_expect_success 'show help from add--helper' '
1048         git reset --hard &&
1049         cat >expect <<-EOF &&
1050
1051         <BOLD>*** Commands ***<RESET>
1052           1: <BOLD;BLUE>s<RESET>tatus     2: <BOLD;BLUE>u<RESET>pdate     3: <BOLD;BLUE>r<RESET>evert     4: <BOLD;BLUE>a<RESET>dd untracked
1053           5: <BOLD;BLUE>p<RESET>atch      6: <BOLD;BLUE>d<RESET>iff       7: <BOLD;BLUE>q<RESET>uit       8: <BOLD;BLUE>h<RESET>elp
1054         <BOLD;BLUE>What now<RESET>> <BOLD;RED>status        - show paths with changes<RESET>
1055         <BOLD;RED>update        - add working tree state to the staged set of changes<RESET>
1056         <BOLD;RED>revert        - revert staged set of changes back to the HEAD version<RESET>
1057         <BOLD;RED>patch         - pick hunks and update selectively<RESET>
1058         <BOLD;RED>diff          - view diff between HEAD and index<RESET>
1059         <BOLD;RED>add untracked - add contents of untracked files to the staged set of changes<RESET>
1060         <BOLD>*** Commands ***<RESET>
1061           1: <BOLD;BLUE>s<RESET>tatus     2: <BOLD;BLUE>u<RESET>pdate     3: <BOLD;BLUE>r<RESET>evert     4: <BOLD;BLUE>a<RESET>dd untracked
1062           5: <BOLD;BLUE>p<RESET>atch      6: <BOLD;BLUE>d<RESET>iff       7: <BOLD;BLUE>q<RESET>uit       8: <BOLD;BLUE>h<RESET>elp
1063         <BOLD;BLUE>What now<RESET>>$SP
1064         Bye.
1065         EOF
1066         test_write_lines h | force_color git add -i >actual.colored &&
1067         test_decode_color <actual.colored >actual &&
1068         test_cmp expect actual
1069 '
1070
1071 test_done