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 . ./test-lib.sh
  12
  13 GIT_AUTHOR_NAME=author@name
  14 GIT_AUTHOR_EMAIL=bogus@email@address
  15 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
  16
  17 test_expect_success 'prepare repository with topic branches' '
  18         git config core.logAllRefUpdates true &&
  19         echo First >A &&
  20         git update-index --add A &&
  21         git commit -m "Add A." &&
  22         git checkout -b force-3way &&
  23         echo Dummy >Y &&
  24         git update-index --add Y &&
  25         git commit -m "Add Y." &&
  26         git checkout -b filemove &&
  27         git reset --soft master &&
  28         mkdir D &&
  29         git mv A D/A &&
  30         git commit -m "Move A." &&
  31         git checkout -b my-topic-branch master &&
  32         echo Second >B &&
  33         git update-index --add B &&
  34         git commit -m "Add B." &&
  35         git checkout -f master &&
  36         echo Third >>A &&
  37         git update-index A &&
  38         git commit -m "Modify A." &&
  39         git checkout -b side my-topic-branch &&
  40         echo Side >>C &&
  41         git add C &&
  42         git commit -m "Add C" &&
  43         git checkout -f my-topic-branch &&
  44         git tag topic
  45 '
  46
  47 test_expect_success 'rebase on dirty worktree' '
  48         echo dirty >>A &&
  49         test_must_fail git rebase master
  50 '
  51
  52 test_expect_success 'rebase on dirty cache' '
  53         git add A &&
  54         test_must_fail git rebase master
  55 '
  56
  57 test_expect_success 'rebase against master' '
  58         git reset --hard HEAD &&
  59         git rebase master
  60 '
  61
  62 test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
  63         test_when_finished "git branch -D torebase" &&
  64         git checkout -b torebase my-topic-branch^ &&
  65         upstream=$(git rev-parse ":/Add B") &&
  66         onto=$(git rev-parse ":/Add A") &&
  67         git rebase --onto $onto $upstream &&
  68         git reset --hard my-topic-branch^ &&
  69         git rebase --onto ":/Add A" ":/Add B" &&
  70         git checkout my-topic-branch
  71 '
  72
  73 test_expect_success 'the rebase operation should not have destroyed author information' '
  74         ! (git log | grep "Author:" | grep "<>")
  75 '
  76
  77 test_expect_success 'the rebase operation should not have destroyed author information (2)' "
  78         git log -1 |
  79         grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
  80 "
  81
  82 test_expect_success 'HEAD was detached during rebase' '
  83         test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
  84 '
  85
  86 test_expect_success 'rebase from ambiguous branch name' '
  87         git checkout -b topic side &&
  88         git rebase master
  89 '
  90
  91 test_expect_success 'rebase off of the previous branch using "-"' '
  92         git checkout master &&
  93         git checkout HEAD^ &&
  94         git rebase @{-1} >expect.messages &&
  95         git merge-base master HEAD >expect.forkpoint &&
  96
  97         git checkout master &&
  98         git checkout HEAD^ &&
  99         git rebase - >actual.messages &&
 100         git merge-base master HEAD >actual.forkpoint &&
 101
 102         test_cmp expect.forkpoint actual.forkpoint &&
 103         # the next one is dubious---we may want to say "-",
 104         # instead of @{-1}, in the message
 105         test_i18ncmp expect.messages actual.messages
 106 '
 107
 108 test_expect_success 'rebase a single mode change' '
 109         git checkout master &&
 110         git branch -D topic &&
 111         echo 1 >X &&
 112         git add X &&
 113         test_tick &&
 114         git commit -m prepare &&
 115         git checkout -b modechange HEAD^ &&
 116         echo 1 >X &&
 117         git add X &&
 118         test_chmod +x A &&
 119         test_tick &&
 120         git commit -m modechange &&
 121         GIT_TRACE=1 git rebase master
 122 '
 123
 124 test_expect_success 'rebase is not broken by diff.renames' '
 125         test_config diff.renames copies &&
 126         git checkout filemove &&
 127         GIT_TRACE=1 git rebase force-3way
 128 '
 129
 130 test_expect_success 'setup: recover' '
 131         test_might_fail git rebase --abort &&
 132         git reset --hard &&
 133         git checkout modechange
 134 '
 135
 136 test_expect_success 'Show verbose error when HEAD could not be detached' '
 137         >B &&
 138         test_must_fail git rebase topic 2>output.err >output.out &&
 139         test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
 140         test_i18ngrep B output.err
 141 '
 142 rm -f B
 143
 144 test_expect_success 'fail when upstream arg is missing and not on branch' '
 145         git checkout topic &&
 146         test_must_fail git rebase
 147 '
 148
 149 test_expect_success 'fail when upstream arg is missing and not configured' '
 150         git checkout -b no-config topic &&
 151         test_must_fail git rebase
 152 '
 153
 154 test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
 155         git checkout -b default-base master &&
 156         git checkout -b default topic &&
 157         git config branch.default.remote . &&
 158         git config branch.default.merge refs/heads/default-base &&
 159         git rebase &&
 160         git rev-parse --verify default-base >expect &&
 161         git rev-parse default~1 >actual &&
 162         test_cmp expect actual &&
 163         git checkout default-base &&
 164         git reset --hard HEAD^ &&
 165         git checkout default &&
 166         git rebase &&
 167         git rev-parse --verify default-base >expect &&
 168         git rev-parse default~1 >actual &&
 169         test_cmp expect actual
 170 '
 171
 172 test_expect_success 'cherry-picked commits and fork-point work together' '
 173         git checkout default-base &&
 174         echo Amended >A &&
 175         git commit -a --no-edit --amend &&
 176         test_commit B B &&
 177         test_commit new_B B "New B" &&
 178         test_commit C C &&
 179         git checkout default &&
 180         git reset --hard default-base@{4} &&
 181         test_commit D D &&
 182         git cherry-pick -2 default-base^ &&
 183         test_commit final_B B "Final B" &&
 184         git rebase &&
 185         echo Amended >expect &&
 186         test_cmp A expect &&
 187         echo "Final B" >expect &&
 188         test_cmp B expect &&
 189         echo C >expect &&
 190         test_cmp C expect &&
 191         echo D >expect &&
 192         test_cmp D expect
 193 '
 194
 195 test_expect_success 'rebase -q is quiet' '
 196         git checkout -b quiet topic &&
 197         git rebase -q master >output.out 2>&1 &&
 198         test_must_be_empty output.out
 199 '
 200
 201 test_expect_success 'Rebase a commit that sprinkles CRs in' '
 202         (
 203                 echo "One"
 204                 echo "TwoQ"
 205                 echo "Three"
 206                 echo "FQur"
 207                 echo "Five"
 208         ) | q_to_cr >CR &&
 209         git add CR &&
 210         test_tick &&
 211         git commit -a -m "A file with a line with CR" &&
 212         git tag file-with-cr &&
 213         git checkout HEAD^0 &&
 214         git rebase --onto HEAD^^ HEAD^ &&
 215         git diff --exit-code file-with-cr:CR HEAD:CR
 216 '
 217
 218 test_expect_success 'rebase can copy notes' '
 219         git config notes.rewrite.rebase true &&
 220         git config notes.rewriteRef "refs/notes/*" &&
 221         test_commit n1 &&
 222         test_commit n2 &&
 223         test_commit n3 &&
 224         git notes add -m"a note" n3 &&
 225         git rebase --onto n1 n2 &&
 226         test "a note" = "$(git notes show HEAD)"
 227 '
 228
 229 test_expect_success 'rebase -m can copy notes' '
 230         git reset --hard n3 &&
 231         git rebase -m --onto n1 n2 &&
 232         test "a note" = "$(git notes show HEAD)"
 233 '
 234
 235 test_expect_success 'rebase commit with an ancient timestamp' '
 236         git reset --hard &&
 237
 238         >old.one && git add old.one && test_tick &&
 239         git commit --date="@12345 +0400" -m "Old one" &&
 240         >old.two && git add old.two && test_tick &&
 241         git commit --date="@23456 +0500" -m "Old two" &&
 242         >old.three && git add old.three && test_tick &&
 243         git commit --date="@34567 +0600" -m "Old three" &&
 244
 245         git cat-file commit HEAD^^ >actual &&
 246         grep "author .* 12345 +0400$" actual &&
 247         git cat-file commit HEAD^ >actual &&
 248         grep "author .* 23456 +0500$" actual &&
 249         git cat-file commit HEAD >actual &&
 250         grep "author .* 34567 +0600$" actual &&
 251
 252         git rebase --onto HEAD^^ HEAD^ &&
 253
 254         git cat-file commit HEAD >actual &&
 255         grep "author .* 34567 +0600$" actual
 256 '
 257
 258 test_expect_success 'rebase with "From " line in commit message' '
 259         git checkout -b preserve-from master~1 &&
 260         cat >From_.msg <<EOF &&
 261 Somebody embedded an mbox in a commit message
 262
 263 This is from so-and-so:
 264
 265 From a@b Mon Sep 17 00:00:00 2001
 266 From: John Doe <nobody@example.com>
 267 Date: Sat, 11 Nov 2017 00:00:00 +0000
 268 Subject: not this message
 269
 270 something
 271 EOF
 272         >From_ &&
 273         git add From_ &&
 274         git commit -F From_.msg &&
 275         git rebase master &&
 276         git log -1 --pretty=format:%B >out &&
 277         test_cmp From_.msg out
 278 '
 279
 280 test_expect_success 'rebase--am.sh and --show-current-patch' '
 281         test_create_repo conflict-apply &&
 282         (
 283                 cd conflict-apply &&
 284                 test_commit init &&
 285                 echo one >>init.t &&
 286                 git commit -a -m one &&
 287                 echo two >>init.t &&
 288                 git commit -a -m two &&
 289                 git tag two &&
 290                 test_must_fail git rebase --onto init HEAD^ &&
 291                 GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 292                 grep "show.*$(git rev-parse two)" stderr
 293         )
 294 '
 295
 296 test_expect_success 'rebase--merge.sh and --show-current-patch' '
 297         test_create_repo conflict-merge &&
 298         (
 299                 cd conflict-merge &&
 300                 test_commit init &&
 301                 echo one >>init.t &&
 302                 git commit -a -m one &&
 303                 echo two >>init.t &&
 304                 git commit -a -m two &&
 305                 git tag two &&
 306                 test_must_fail git rebase --merge --onto init HEAD^ &&
 307                 git rebase --show-current-patch >actual.patch &&
 308                 GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 309                 grep "show.*REBASE_HEAD" stderr &&
 310                 test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
 311         )
 312 '
 313
 314 test_done