t/t3510-cherry-pick-sequence.sh

   1 #!/bin/sh
   2
   3 test_description='Test cherry-pick continuation features
   4
   5  +  conflicting: rewrites unrelated to conflicting
   6   + yetanotherpick: rewrites foo to e
   7   + anotherpick: rewrites foo to d
   8   + picked: rewrites foo to c
   9   + unrelatedpick: rewrites unrelated to reallyunrelated
  10   + base: rewrites foo to b
  11   + initial: writes foo as a, unrelated as unrelated
  12
  13 '
  14
  15 . ./test-lib.sh
  16
  17 # Repeat first match 10 times
  18 _r10='\1\1\1\1\1\1\1\1\1\1'
  19
  20 pristine_detach () {
  21         git cherry-pick --quit &&
  22         git checkout -f "$1^0" &&
  23         git read-tree -u --reset HEAD &&
  24         git clean -d -f -f -q -x
  25 }
  26
  27 test_expect_success setup '
  28         git config advice.detachedhead false &&
  29         echo unrelated >unrelated &&
  30         git add unrelated &&
  31         test_commit initial foo a &&
  32         test_commit base foo b &&
  33         test_commit unrelatedpick unrelated reallyunrelated &&
  34         test_commit picked foo c &&
  35         test_commit anotherpick foo d &&
  36         test_commit yetanotherpick foo e &&
  37         pristine_detach initial &&
  38         test_commit conflicting unrelated
  39 '
  40
  41 test_expect_success 'cherry-pick persists data on failure' '
  42         pristine_detach initial &&
  43         test_expect_code 1 git cherry-pick -s base..anotherpick &&
  44         test_path_is_dir .git/sequencer &&
  45         test_path_is_file .git/sequencer/head &&
  46         test_path_is_file .git/sequencer/todo &&
  47         test_path_is_file .git/sequencer/opts
  48 '
  49
  50 test_expect_success 'cherry-pick mid-cherry-pick-sequence' '
  51         pristine_detach initial &&
  52         test_must_fail git cherry-pick base..anotherpick &&
  53         test_cmp_rev picked CHERRY_PICK_HEAD &&
  54         # "oops, I forgot that these patches rely on the change from base"
  55         git checkout HEAD foo &&
  56         git cherry-pick base &&
  57         git cherry-pick picked &&
  58         git cherry-pick --continue &&
  59         git diff --exit-code anotherpick
  60 '
  61
  62 test_expect_success 'cherry-pick persists opts correctly' '
  63         pristine_detach initial &&
  64         test_expect_code 128 git cherry-pick -s -m 1 --strategy=recursive -X patience -X ours initial..anotherpick &&
  65         test_path_is_dir .git/sequencer &&
  66         test_path_is_file .git/sequencer/head &&
  67         test_path_is_file .git/sequencer/todo &&
  68         test_path_is_file .git/sequencer/opts &&
  69         echo "true" >expect &&
  70         git config --file=.git/sequencer/opts --get-all options.signoff >actual &&
  71         test_cmp expect actual &&
  72         echo "1" >expect &&
  73         git config --file=.git/sequencer/opts --get-all options.mainline >actual &&
  74         test_cmp expect actual &&
  75         echo "recursive" >expect &&
  76         git config --file=.git/sequencer/opts --get-all options.strategy >actual &&
  77         test_cmp expect actual &&
  78         cat >expect <<-\EOF &&
  79         patience
  80         ours
  81         EOF
  82         git config --file=.git/sequencer/opts --get-all options.strategy-option >actual &&
  83         test_cmp expect actual
  84 '
  85
  86 test_expect_success 'cherry-pick cleans up sequencer state upon success' '
  87         pristine_detach initial &&
  88         git cherry-pick initial..picked &&
  89         test_path_is_missing .git/sequencer
  90 '
  91
  92 test_expect_success '--quit does not complain when no cherry-pick is in progress' '
  93         pristine_detach initial &&
  94         git cherry-pick --quit
  95 '
  96
  97 test_expect_success '--abort requires cherry-pick in progress' '
  98         pristine_detach initial &&
  99         test_must_fail git cherry-pick --abort
 100 '
 101
 102 test_expect_success '--quit cleans up sequencer state' '
 103         pristine_detach initial &&
 104         test_expect_code 1 git cherry-pick base..picked &&
 105         git cherry-pick --quit &&
 106         test_path_is_missing .git/sequencer
 107 '
 108
 109 test_expect_success '--quit keeps HEAD and conflicted index intact' '
 110         pristine_detach initial &&
 111         cat >expect <<-\EOF &&
 112         OBJID
 113         :100644 100644 OBJID OBJID M    unrelated
 114         OBJID
 115         :000000 100644 OBJID OBJID A    foo
 116         :000000 100644 OBJID OBJID A    unrelated
 117         EOF
 118         test_expect_code 1 git cherry-pick base..picked &&
 119         git cherry-pick --quit &&
 120         test_path_is_missing .git/sequencer &&
 121         test_must_fail git update-index --refresh &&
 122         {
 123                 git rev-list HEAD |
 124                 git diff-tree --root --stdin |
 125                 sed "s/$_x40/OBJID/g"
 126         } >actual &&
 127         test_cmp expect actual
 128 '
 129
 130 test_expect_success '--abort to cancel multiple cherry-pick' '
 131         pristine_detach initial &&
 132         test_expect_code 1 git cherry-pick base..anotherpick &&
 133         git cherry-pick --abort &&
 134         test_path_is_missing .git/sequencer &&
 135         test_cmp_rev initial HEAD &&
 136         git update-index --refresh &&
 137         git diff-index --exit-code HEAD
 138 '
 139
 140 test_expect_success '--abort to cancel single cherry-pick' '
 141         pristine_detach initial &&
 142         test_expect_code 1 git cherry-pick picked &&
 143         git cherry-pick --abort &&
 144         test_path_is_missing .git/sequencer &&
 145         test_cmp_rev initial HEAD &&
 146         git update-index --refresh &&
 147         git diff-index --exit-code HEAD
 148 '
 149
 150 test_expect_success '--abort does not unsafely change HEAD' '
 151         pristine_detach initial &&
 152         test_must_fail git cherry-pick picked anotherpick &&
 153         git reset --hard base &&
 154         test_must_fail git cherry-pick picked anotherpick &&
 155         git cherry-pick --abort 2>actual &&
 156         test_i18ngrep "You seem to have moved HEAD" actual &&
 157         test_cmp_rev base HEAD
 158 '
 159
 160 test_expect_success 'cherry-pick --abort to cancel multiple revert' '
 161         pristine_detach anotherpick &&
 162         test_expect_code 1 git revert base..picked &&
 163         git cherry-pick --abort &&
 164         test_path_is_missing .git/sequencer &&
 165         test_cmp_rev anotherpick HEAD &&
 166         git update-index --refresh &&
 167         git diff-index --exit-code HEAD
 168 '
 169
 170 test_expect_success 'revert --abort works, too' '
 171         pristine_detach anotherpick &&
 172         test_expect_code 1 git revert base..picked &&
 173         git revert --abort &&
 174         test_path_is_missing .git/sequencer &&
 175         test_cmp_rev anotherpick HEAD
 176 '
 177
 178 test_expect_success '--abort to cancel single revert' '
 179         pristine_detach anotherpick &&
 180         test_expect_code 1 git revert picked &&
 181         git revert --abort &&
 182         test_path_is_missing .git/sequencer &&
 183         test_cmp_rev anotherpick HEAD &&
 184         git update-index --refresh &&
 185         git diff-index --exit-code HEAD
 186 '
 187
 188 test_expect_success '--abort keeps unrelated change, easy case' '
 189         pristine_detach unrelatedpick &&
 190         echo changed >expect &&
 191         test_expect_code 1 git cherry-pick picked..yetanotherpick &&
 192         echo changed >unrelated &&
 193         git cherry-pick --abort &&
 194         test_cmp expect unrelated
 195 '
 196
 197 test_expect_success '--abort refuses to clobber unrelated change, harder case' '
 198         pristine_detach initial &&
 199         echo changed >expect &&
 200         test_expect_code 1 git cherry-pick base..anotherpick &&
 201         echo changed >unrelated &&
 202         test_must_fail git cherry-pick --abort &&
 203         test_cmp expect unrelated &&
 204         git rev-list HEAD >log &&
 205         test_line_count = 2 log &&
 206         test_must_fail git update-index --refresh &&
 207
 208         git checkout unrelated &&
 209         git cherry-pick --abort &&
 210         test_cmp_rev initial HEAD
 211 '
 212
 213 test_expect_success 'cherry-pick still writes sequencer state when one commit is left' '
 214         pristine_detach initial &&
 215         test_expect_code 1 git cherry-pick base..picked &&
 216         test_path_is_dir .git/sequencer &&
 217         echo "resolved" >foo &&
 218         git add foo &&
 219         git commit &&
 220         {
 221                 git rev-list HEAD |
 222                 git diff-tree --root --stdin |
 223                 sed "s/$_x40/OBJID/g"
 224         } >actual &&
 225         cat >expect <<-\EOF &&
 226         OBJID
 227         :100644 100644 OBJID OBJID M    foo
 228         OBJID
 229         :100644 100644 OBJID OBJID M    unrelated
 230         OBJID
 231         :000000 100644 OBJID OBJID A    foo
 232         :000000 100644 OBJID OBJID A    unrelated
 233         EOF
 234         test_cmp expect actual
 235 '
 236
 237 test_expect_success '--abort after last commit in sequence' '
 238         pristine_detach initial &&
 239         test_expect_code 1 git cherry-pick base..picked &&
 240         git cherry-pick --abort &&
 241         test_path_is_missing .git/sequencer &&
 242         test_cmp_rev initial HEAD &&
 243         git update-index --refresh &&
 244         git diff-index --exit-code HEAD
 245 '
 246
 247 test_expect_success 'cherry-pick does not implicitly stomp an existing operation' '
 248         pristine_detach initial &&
 249         test_expect_code 1 git cherry-pick base..anotherpick &&
 250         test-tool chmtime -v +0 .git/sequencer >expect &&
 251         test_expect_code 128 git cherry-pick unrelatedpick &&
 252         test-tool chmtime -v +0 .git/sequencer >actual &&
 253         test_cmp expect actual
 254 '
 255
 256 test_expect_success '--continue complains when no cherry-pick is in progress' '
 257         pristine_detach initial &&
 258         test_expect_code 128 git cherry-pick --continue
 259 '
 260
 261 test_expect_success '--continue complains when there are unresolved conflicts' '
 262         pristine_detach initial &&
 263         test_expect_code 1 git cherry-pick base..anotherpick &&
 264         test_expect_code 128 git cherry-pick --continue
 265 '
 266
 267 test_expect_success '--continue of single cherry-pick' '
 268         pristine_detach initial &&
 269         echo c >expect &&
 270         test_must_fail git cherry-pick picked &&
 271         echo c >foo &&
 272         git add foo &&
 273         git cherry-pick --continue &&
 274
 275         test_cmp expect foo &&
 276         test_cmp_rev initial HEAD^ &&
 277         git diff --exit-code HEAD &&
 278         test_must_fail git rev-parse --verify CHERRY_PICK_HEAD
 279 '
 280
 281 test_expect_success '--continue of single revert' '
 282         pristine_detach initial &&
 283         echo resolved >expect &&
 284         echo "Revert \"picked\"" >expect.msg &&
 285         test_must_fail git revert picked &&
 286         echo resolved >foo &&
 287         git add foo &&
 288         git cherry-pick --continue &&
 289
 290         git diff --exit-code HEAD &&
 291         test_cmp expect foo &&
 292         test_cmp_rev initial HEAD^ &&
 293         git diff-tree -s --pretty=tformat:%s HEAD >msg &&
 294         test_cmp expect.msg msg &&
 295         test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
 296         test_must_fail git rev-parse --verify REVERT_HEAD
 297 '
 298
 299 test_expect_success '--continue after resolving conflicts' '
 300         pristine_detach initial &&
 301         echo d >expect &&
 302         cat >expect.log <<-\EOF &&
 303         OBJID
 304         :100644 100644 OBJID OBJID M    foo
 305         OBJID
 306         :100644 100644 OBJID OBJID M    foo
 307         OBJID
 308         :100644 100644 OBJID OBJID M    unrelated
 309         OBJID
 310         :000000 100644 OBJID OBJID A    foo
 311         :000000 100644 OBJID OBJID A    unrelated
 312         EOF
 313         test_must_fail git cherry-pick base..anotherpick &&
 314         echo c >foo &&
 315         git add foo &&
 316         git cherry-pick --continue &&
 317         {
 318                 git rev-list HEAD |
 319                 git diff-tree --root --stdin |
 320                 sed "s/$_x40/OBJID/g"
 321         } >actual.log &&
 322         test_cmp expect foo &&
 323         test_cmp expect.log actual.log
 324 '
 325
 326 test_expect_success '--continue after resolving conflicts and committing' '
 327         pristine_detach initial &&
 328         test_expect_code 1 git cherry-pick base..anotherpick &&
 329         echo "c" >foo &&
 330         git add foo &&
 331         git commit &&
 332         git cherry-pick --continue &&
 333         test_path_is_missing .git/sequencer &&
 334         {
 335                 git rev-list HEAD |
 336                 git diff-tree --root --stdin |
 337                 sed "s/$_x40/OBJID/g"
 338         } >actual &&
 339         cat >expect <<-\EOF &&
 340         OBJID
 341         :100644 100644 OBJID OBJID M    foo
 342         OBJID
 343         :100644 100644 OBJID OBJID M    foo
 344         OBJID
 345         :100644 100644 OBJID OBJID M    unrelated
 346         OBJID
 347         :000000 100644 OBJID OBJID A    foo
 348         :000000 100644 OBJID OBJID A    unrelated
 349         EOF
 350         test_cmp expect actual
 351 '
 352
 353 test_expect_success '--continue asks for help after resolving patch to nil' '
 354         pristine_detach conflicting &&
 355         test_must_fail git cherry-pick initial..picked &&
 356
 357         test_cmp_rev unrelatedpick CHERRY_PICK_HEAD &&
 358         git checkout HEAD -- unrelated &&
 359         test_must_fail git cherry-pick --continue 2>msg &&
 360         test_i18ngrep "The previous cherry-pick is now empty" msg
 361 '
 362
 363 test_expect_success 'follow advice and skip nil patch' '
 364         pristine_detach conflicting &&
 365         test_must_fail git cherry-pick initial..picked &&
 366
 367         git checkout HEAD -- unrelated &&
 368         test_must_fail git cherry-pick --continue &&
 369         git reset &&
 370         git cherry-pick --continue &&
 371
 372         git rev-list initial..HEAD >commits &&
 373         test_line_count = 3 commits
 374 '
 375
 376 test_expect_success '--continue respects opts' '
 377         pristine_detach initial &&
 378         test_expect_code 1 git cherry-pick -x base..anotherpick &&
 379         echo "c" >foo &&
 380         git add foo &&
 381         git commit &&
 382         git cherry-pick --continue &&
 383         test_path_is_missing .git/sequencer &&
 384         git cat-file commit HEAD >anotherpick_msg &&
 385         git cat-file commit HEAD~1 >picked_msg &&
 386         git cat-file commit HEAD~2 >unrelatedpick_msg &&
 387         git cat-file commit HEAD~3 >initial_msg &&
 388         ! grep "cherry picked from" initial_msg &&
 389         grep "cherry picked from" unrelatedpick_msg &&
 390         grep "cherry picked from" picked_msg &&
 391         grep "cherry picked from" anotherpick_msg
 392 '
 393
 394 test_expect_success '--continue of single-pick respects -x' '
 395         pristine_detach initial &&
 396         test_must_fail git cherry-pick -x picked &&
 397         echo c >foo &&
 398         git add foo &&
 399         git cherry-pick --continue &&
 400         test_path_is_missing .git/sequencer &&
 401         git cat-file commit HEAD >msg &&
 402         grep "cherry picked from" msg
 403 '
 404
 405 test_expect_success '--continue respects -x in first commit in multi-pick' '
 406         pristine_detach initial &&
 407         test_must_fail git cherry-pick -x picked anotherpick &&
 408         echo c >foo &&
 409         git add foo &&
 410         git cherry-pick --continue &&
 411         test_path_is_missing .git/sequencer &&
 412         git cat-file commit HEAD^ >msg &&
 413         picked=$(git rev-parse --verify picked) &&
 414         grep "cherry picked from.*$picked" msg
 415 '
 416
 417 test_expect_failure '--signoff is automatically propagated to resolved conflict' '
 418         pristine_detach initial &&
 419         test_expect_code 1 git cherry-pick --signoff base..anotherpick &&
 420         echo "c" >foo &&
 421         git add foo &&
 422         git commit &&
 423         git cherry-pick --continue &&
 424         test_path_is_missing .git/sequencer &&
 425         git cat-file commit HEAD >anotherpick_msg &&
 426         git cat-file commit HEAD~1 >picked_msg &&
 427         git cat-file commit HEAD~2 >unrelatedpick_msg &&
 428         git cat-file commit HEAD~3 >initial_msg &&
 429         ! grep "Signed-off-by:" initial_msg &&
 430         grep "Signed-off-by:" unrelatedpick_msg &&
 431         ! grep "Signed-off-by:" picked_msg &&
 432         grep "Signed-off-by:" anotherpick_msg
 433 '
 434
 435 test_expect_failure '--signoff dropped for implicit commit of resolution, multi-pick case' '
 436         pristine_detach initial &&
 437         test_must_fail git cherry-pick -s picked anotherpick &&
 438         echo c >foo &&
 439         git add foo &&
 440         git cherry-pick --continue &&
 441
 442         git diff --exit-code HEAD &&
 443         test_cmp_rev initial HEAD^^ &&
 444         git cat-file commit HEAD^ >msg &&
 445         ! grep Signed-off-by: msg
 446 '
 447
 448 test_expect_failure 'sign-off needs to be reaffirmed after conflict resolution, single-pick case' '
 449         pristine_detach initial &&
 450         test_must_fail git cherry-pick -s picked &&
 451         echo c >foo &&
 452         git add foo &&
 453         git cherry-pick --continue &&
 454
 455         git diff --exit-code HEAD &&
 456         test_cmp_rev initial HEAD^ &&
 457         git cat-file commit HEAD >msg &&
 458         ! grep Signed-off-by: msg
 459 '
 460
 461 test_expect_success 'malformed instruction sheet 1' '
 462         pristine_detach initial &&
 463         test_expect_code 1 git cherry-pick base..anotherpick &&
 464         echo "resolved" >foo &&
 465         git add foo &&
 466         git commit &&
 467         sed "s/pick /pick/" .git/sequencer/todo >new_sheet &&
 468         cp new_sheet .git/sequencer/todo &&
 469         test_expect_code 128 git cherry-pick --continue
 470 '
 471
 472 test_expect_success 'malformed instruction sheet 2' '
 473         pristine_detach initial &&
 474         test_expect_code 1 git cherry-pick base..anotherpick &&
 475         echo "resolved" >foo &&
 476         git add foo &&
 477         git commit &&
 478         sed "s/pick/revert/" .git/sequencer/todo >new_sheet &&
 479         cp new_sheet .git/sequencer/todo &&
 480         test_expect_code 128 git cherry-pick --continue
 481 '
 482
 483 test_expect_success 'empty commit set' '
 484         pristine_detach initial &&
 485         test_expect_code 128 git cherry-pick base..base
 486 '
 487
 488 test_expect_success 'malformed instruction sheet 3' '
 489         pristine_detach initial &&
 490         test_expect_code 1 git cherry-pick base..anotherpick &&
 491         echo "resolved" >foo &&
 492         git add foo &&
 493         git commit &&
 494         sed "s/pick \([0-9a-f]*\)/pick $_r10/" .git/sequencer/todo >new_sheet &&
 495         cp new_sheet .git/sequencer/todo &&
 496         test_expect_code 128 git cherry-pick --continue
 497 '
 498
 499 test_expect_success 'instruction sheet, fat-fingers version' '
 500         pristine_detach initial &&
 501         test_expect_code 1 git cherry-pick base..anotherpick &&
 502         echo "c" >foo &&
 503         git add foo &&
 504         git commit &&
 505         sed "s/pick \([0-9a-f]*\)/pick   \1     /" .git/sequencer/todo >new_sheet &&
 506         cp new_sheet .git/sequencer/todo &&
 507         git cherry-pick --continue
 508 '
 509
 510 test_expect_success 'commit descriptions in insn sheet are optional' '
 511         pristine_detach initial &&
 512         test_expect_code 1 git cherry-pick base..anotherpick &&
 513         echo "c" >foo &&
 514         git add foo &&
 515         git commit &&
 516         cut -d" " -f1,2 .git/sequencer/todo >new_sheet &&
 517         cp new_sheet .git/sequencer/todo &&
 518         git cherry-pick --continue &&
 519         test_path_is_missing .git/sequencer &&
 520         git rev-list HEAD >commits &&
 521         test_line_count = 4 commits
 522 '
 523
 524 test_done