t/t3400-rebase.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Amos Waterland
   4 #
   5
   6 test_description='git rebase assorted tests
   7
   8 This test runs git rebase and checks that the author information is not lost
   9 among other things.
  10 '
  11 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
  12 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  13
  14 . ./test-lib.sh
  15
  16 GIT_AUTHOR_NAME=author@name
  17 GIT_AUTHOR_EMAIL=bogus@email@address
  18 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
  19
  20 test_expect_success 'prepare repository with topic branches' '
  21         git config core.logAllRefUpdates true &&
  22         echo First >A &&
  23         git update-index --add A &&
  24         git commit -m "Add A." &&
  25         git checkout -b force-3way &&
  26         echo Dummy >Y &&
  27         git update-index --add Y &&
  28         git commit -m "Add Y." &&
  29         git checkout -b filemove &&
  30         git reset --soft main &&
  31         mkdir D &&
  32         git mv A D/A &&
  33         git commit -m "Move A." &&
  34         git checkout -b my-topic-branch main &&
  35         echo Second >B &&
  36         git update-index --add B &&
  37         git commit -m "Add B." &&
  38         git checkout -f main &&
  39         echo Third >>A &&
  40         git update-index A &&
  41         git commit -m "Modify A." &&
  42         git checkout -b side my-topic-branch &&
  43         echo Side >>C &&
  44         git add C &&
  45         git commit -m "Add C" &&
  46         git checkout -f my-topic-branch &&
  47         git tag topic
  48 '
  49
  50 test_expect_success 'rebase on dirty worktree' '
  51         echo dirty >>A &&
  52         test_must_fail git rebase main
  53 '
  54
  55 test_expect_success 'rebase on dirty cache' '
  56         git add A &&
  57         test_must_fail git rebase main
  58 '
  59
  60 test_expect_success 'rebase against main' '
  61         git reset --hard HEAD &&
  62         git rebase main
  63 '
  64
  65 test_expect_success 'rebase sets ORIG_HEAD to pre-rebase state' '
  66         git checkout -b orig-head topic &&
  67         pre="$(git rev-parse --verify HEAD)" &&
  68         git rebase main &&
  69         test_cmp_rev "$pre" ORIG_HEAD &&
  70         test_cmp_rev ! "$pre" HEAD
  71 '
  72
  73 test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
  74         test_when_finished "git branch -D torebase" &&
  75         git checkout -b torebase my-topic-branch^ &&
  76         upstream=$(git rev-parse ":/Add B") &&
  77         onto=$(git rev-parse ":/Add A") &&
  78         git rebase --onto $onto $upstream &&
  79         git reset --hard my-topic-branch^ &&
  80         git rebase --onto ":/Add A" ":/Add B" &&
  81         git checkout my-topic-branch
  82 '
  83
  84 test_expect_success 'the rebase operation should not have destroyed author information' '
  85         ! (git log | grep "Author:" | grep "<>")
  86 '
  87
  88 test_expect_success 'the rebase operation should not have destroyed author information (2)' "
  89         git log -1 |
  90         grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
  91 "
  92
  93 test_expect_success 'HEAD was detached during rebase' '
  94         test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
  95 '
  96
  97 test_expect_success 'rebase from ambiguous branch name' '
  98         git checkout -b topic side &&
  99         git rebase main
 100 '
 101
 102 test_expect_success 'rebase off of the previous branch using "-"' '
 103         git checkout main &&
 104         git checkout HEAD^ &&
 105         git rebase @{-1} >expect.messages &&
 106         git merge-base main HEAD >expect.forkpoint &&
 107
 108         git checkout main &&
 109         git checkout HEAD^ &&
 110         git rebase - >actual.messages &&
 111         git merge-base main HEAD >actual.forkpoint &&
 112
 113         test_cmp expect.forkpoint actual.forkpoint &&
 114         # the next one is dubious---we may want to say "-",
 115         # instead of @{-1}, in the message
 116         test_cmp expect.messages actual.messages
 117 '
 118
 119 test_expect_success 'rebase a single mode change' '
 120         git checkout main &&
 121         git branch -D topic &&
 122         echo 1 >X &&
 123         git add X &&
 124         test_tick &&
 125         git commit -m prepare &&
 126         git checkout -b modechange HEAD^ &&
 127         echo 1 >X &&
 128         git add X &&
 129         test_chmod +x A &&
 130         test_tick &&
 131         git commit -m modechange &&
 132         GIT_TRACE=1 git rebase main
 133 '
 134
 135 test_expect_success 'rebase is not broken by diff.renames' '
 136         test_config diff.renames copies &&
 137         git checkout filemove &&
 138         GIT_TRACE=1 git rebase force-3way
 139 '
 140
 141 test_expect_success 'setup: recover' '
 142         test_might_fail git rebase --abort &&
 143         git reset --hard &&
 144         git checkout modechange
 145 '
 146
 147 test_expect_success 'Show verbose error when HEAD could not be detached' '
 148         >B &&
 149         test_when_finished "rm -f B" &&
 150         test_must_fail git rebase topic 2>output.err >output.out &&
 151         test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
 152         test_i18ngrep B output.err
 153 '
 154
 155 test_expect_success 'fail when upstream arg is missing and not on branch' '
 156         git checkout topic &&
 157         test_must_fail git rebase
 158 '
 159
 160 test_expect_success 'fail when upstream arg is missing and not configured' '
 161         git checkout -b no-config topic &&
 162         test_must_fail git rebase
 163 '
 164
 165 test_expect_success 'rebase works with format.useAutoBase' '
 166         test_config format.useAutoBase true &&
 167         git checkout topic &&
 168         git rebase main
 169 '
 170
 171 test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--merge)' '
 172         git checkout -b default-base main &&
 173         git checkout -b default topic &&
 174         git config branch.default.remote . &&
 175         git config branch.default.merge refs/heads/default-base &&
 176         git rebase --merge &&
 177         git rev-parse --verify default-base >expect &&
 178         git rev-parse default~1 >actual &&
 179         test_cmp expect actual &&
 180         git checkout default-base &&
 181         git reset --hard HEAD^ &&
 182         git checkout default &&
 183         git rebase --merge &&
 184         git rev-parse --verify default-base >expect &&
 185         git rev-parse default~1 >actual &&
 186         test_cmp expect actual
 187 '
 188
 189 test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--apply)' '
 190         git checkout -B default-base main &&
 191         git checkout -B default topic &&
 192         git config branch.default.remote . &&
 193         git config branch.default.merge refs/heads/default-base &&
 194         git rebase --apply &&
 195         git rev-parse --verify default-base >expect &&
 196         git rev-parse default~1 >actual &&
 197         test_cmp expect actual &&
 198         git checkout default-base &&
 199         git reset --hard HEAD^ &&
 200         git checkout default &&
 201         git rebase --apply &&
 202         git rev-parse --verify default-base >expect &&
 203         git rev-parse default~1 >actual &&
 204         test_cmp expect actual
 205 '
 206
 207 test_expect_success 'cherry-picked commits and fork-point work together' '
 208         git checkout default-base &&
 209         echo Amended >A &&
 210         git commit -a --no-edit --amend &&
 211         test_commit B B &&
 212         test_commit new_B B "New B" &&
 213         test_commit C C &&
 214         git checkout default &&
 215         git reset --hard default-base@{4} &&
 216         test_commit D D &&
 217         git cherry-pick -2 default-base^ &&
 218         test_commit final_B B "Final B" &&
 219         git rebase &&
 220         echo Amended >expect &&
 221         test_cmp expect A &&
 222         echo "Final B" >expect &&
 223         test_cmp expect B &&
 224         echo C >expect &&
 225         test_cmp expect C &&
 226         echo D >expect &&
 227         test_cmp expect D
 228 '
 229
 230 test_expect_success 'rebase --apply -q is quiet' '
 231         git checkout -b quiet topic &&
 232         git rebase --apply -q main >output.out 2>&1 &&
 233         test_must_be_empty output.out
 234 '
 235
 236 test_expect_success 'rebase --merge -q is quiet' '
 237         git checkout -B quiet topic &&
 238         git rebase --merge -q main >output.out 2>&1 &&
 239         test_must_be_empty output.out
 240 '
 241
 242 test_expect_success 'Rebase a commit that sprinkles CRs in' '
 243         (
 244                 echo "One" &&
 245                 echo "TwoQ" &&
 246                 echo "Three" &&
 247                 echo "FQur" &&
 248                 echo "Five"
 249         ) | q_to_cr >CR &&
 250         git add CR &&
 251         test_tick &&
 252         git commit -a -m "A file with a line with CR" &&
 253         git tag file-with-cr &&
 254         git checkout HEAD^0 &&
 255         git rebase --onto HEAD^^ HEAD^ &&
 256         git diff --exit-code file-with-cr:CR HEAD:CR
 257 '
 258
 259 test_expect_success 'rebase can copy notes' '
 260         git config notes.rewrite.rebase true &&
 261         git config notes.rewriteRef "refs/notes/*" &&
 262         test_commit n1 &&
 263         test_commit n2 &&
 264         test_commit n3 &&
 265         git notes add -m"a note" n3 &&
 266         git rebase --onto n1 n2 &&
 267         test "a note" = "$(git notes show HEAD)"
 268 '
 269
 270 test_expect_success 'rebase -m can copy notes' '
 271         git reset --hard n3 &&
 272         git rebase -m --onto n1 n2 &&
 273         test "a note" = "$(git notes show HEAD)"
 274 '
 275
 276 test_expect_success 'rebase commit with an ancient timestamp' '
 277         git reset --hard &&
 278
 279         >old.one && git add old.one && test_tick &&
 280         git commit --date="@12345 +0400" -m "Old one" &&
 281         >old.two && git add old.two && test_tick &&
 282         git commit --date="@23456 +0500" -m "Old two" &&
 283         >old.three && git add old.three && test_tick &&
 284         git commit --date="@34567 +0600" -m "Old three" &&
 285
 286         git cat-file commit HEAD^^ >actual &&
 287         grep "author .* 12345 +0400$" actual &&
 288         git cat-file commit HEAD^ >actual &&
 289         grep "author .* 23456 +0500$" actual &&
 290         git cat-file commit HEAD >actual &&
 291         grep "author .* 34567 +0600$" actual &&
 292
 293         git rebase --onto HEAD^^ HEAD^ &&
 294
 295         git cat-file commit HEAD >actual &&
 296         grep "author .* 34567 +0600$" actual
 297 '
 298
 299 test_expect_success 'rebase with "From " line in commit message' '
 300         git checkout -b preserve-from main~1 &&
 301         cat >From_.msg <<EOF &&
 302 Somebody embedded an mbox in a commit message
 303
 304 This is from so-and-so:
 305
 306 From a@b Mon Sep 17 00:00:00 2001
 307 From: John Doe <nobody@example.com>
 308 Date: Sat, 11 Nov 2017 00:00:00 +0000
 309 Subject: not this message
 310
 311 something
 312 EOF
 313         >From_ &&
 314         git add From_ &&
 315         git commit -F From_.msg &&
 316         git rebase main &&
 317         git log -1 --pretty=format:%B >out &&
 318         test_cmp From_.msg out
 319 '
 320
 321 test_expect_success 'rebase --apply and --show-current-patch' '
 322         test_create_repo conflict-apply &&
 323         (
 324                 cd conflict-apply &&
 325                 test_commit init &&
 326                 echo one >>init.t &&
 327                 git commit -a -m one &&
 328                 echo two >>init.t &&
 329                 git commit -a -m two &&
 330                 git tag two &&
 331                 test_must_fail git rebase --apply -f --onto init HEAD^ &&
 332                 GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 333                 grep "show.*$(git rev-parse two)" stderr
 334         )
 335 '
 336
 337 test_expect_success 'rebase --apply and .gitattributes' '
 338         test_create_repo attributes &&
 339         (
 340                 cd attributes &&
 341                 test_commit init &&
 342                 git config filter.test.clean "sed -e '\''s/smudged/clean/g'\''" &&
 343                 git config filter.test.smudge "sed -e '\''s/clean/smudged/g'\''" &&
 344
 345                 test_commit second &&
 346                 git checkout -b test HEAD^ &&
 347
 348                 echo "*.txt filter=test" >.gitattributes &&
 349                 git add .gitattributes &&
 350                 test_commit third &&
 351
 352                 echo "This text is smudged." >a.txt &&
 353                 git add a.txt &&
 354                 test_commit fourth &&
 355
 356                 git checkout -b removal HEAD^ &&
 357                 git rm .gitattributes &&
 358                 git add -u &&
 359                 test_commit fifth &&
 360                 git cherry-pick test &&
 361
 362                 git checkout test &&
 363                 git rebase main &&
 364                 grep "smudged" a.txt &&
 365
 366                 git checkout removal &&
 367                 git reset --hard &&
 368                 git rebase main &&
 369                 grep "clean" a.txt
 370         )
 371 '
 372
 373 test_expect_success 'rebase--merge.sh and --show-current-patch' '
 374         test_create_repo conflict-merge &&
 375         (
 376                 cd conflict-merge &&
 377                 test_commit init &&
 378                 echo one >>init.t &&
 379                 git commit -a -m one &&
 380                 echo two >>init.t &&
 381                 git commit -a -m two &&
 382                 git tag two &&
 383                 test_must_fail git rebase --merge --onto init HEAD^ &&
 384                 git rebase --show-current-patch >actual.patch &&
 385                 GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 386                 grep "show.*REBASE_HEAD" stderr &&
 387                 test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
 388         )
 389 '
 390
 391 test_expect_success 'switch to branch checked out here' '
 392         git checkout main &&
 393         git rebase main main
 394 '
 395
 396 test_expect_success 'switch to branch not checked out' '
 397         git checkout main &&
 398         git branch other &&
 399         git rebase main other
 400 '
 401
 402 test_expect_success 'refuse to switch to branch checked out elsewhere' '
 403         git checkout main &&
 404         git worktree add wt &&
 405         test_must_fail git -C wt rebase main main 2>err &&
 406         test_i18ngrep "already checked out" err
 407 '
 408
 409 test_done