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 -b nonlinear my-topic-branch &&
  44         echo Edit >>B &&
  45         git add B &&
  46         git commit -m "Modify B" &&
  47         git merge side &&
  48         git checkout -b upstream-merged-nonlinear &&
  49         git merge master &&
  50         git checkout -f my-topic-branch &&
  51         git tag topic
  52 '
  53
  54 test_expect_success 'rebase on dirty worktree' '
  55         echo dirty >>A &&
  56         test_must_fail git rebase master
  57 '
  58
  59 test_expect_success 'rebase on dirty cache' '
  60         git add A &&
  61         test_must_fail git rebase master
  62 '
  63
  64 test_expect_success 'rebase against master' '
  65         git reset --hard HEAD &&
  66         git rebase master
  67 '
  68
  69 test_expect_success 'rebase against master twice' '
  70         git rebase master >out &&
  71         grep "Current branch my-topic-branch is up to date" out
  72 '
  73
  74 test_expect_success 'rebase against master twice with --force' '
  75         git rebase --force-rebase master >out &&
  76         grep "Current branch my-topic-branch is up to date, rebase forced" out
  77 '
  78
  79 test_expect_success 'rebase against master twice from another branch' '
  80         git checkout my-topic-branch^ &&
  81         git rebase master my-topic-branch >out &&
  82         grep "Current branch my-topic-branch is up to date" out
  83 '
  84
  85 test_expect_success 'rebase fast-forward to master' '
  86         git checkout my-topic-branch^ &&
  87         git rebase my-topic-branch >out &&
  88         grep "Fast-forwarded HEAD to my-topic-branch" out
  89 '
  90
  91 test_expect_success 'the rebase operation should not have destroyed author information' '
  92         ! (git log | grep "Author:" | grep "<>")
  93 '
  94
  95 test_expect_success 'the rebase operation should not have destroyed author information (2)' "
  96         git log -1 |
  97         grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
  98 "
  99
 100 test_expect_success 'HEAD was detached during rebase' '
 101         test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
 102 '
 103
 104 test_expect_success 'rebase after merge master' '
 105         git reset --hard topic &&
 106         git merge master &&
 107         git rebase master &&
 108         ! (git show | grep "^Merge:")
 109 '
 110
 111 test_expect_success 'rebase of history with merges is linearized' '
 112         git checkout nonlinear &&
 113         test 4 = $(git rev-list master.. | wc -l) &&
 114         git rebase master &&
 115         test 3 = $(git rev-list master.. | wc -l)
 116 '
 117
 118 test_expect_success 'rebase of history with merges after upstream merge is linearized' '
 119         git checkout upstream-merged-nonlinear &&
 120         test 5 = $(git rev-list master.. | wc -l) &&
 121         git rebase master &&
 122         test 3 = $(git rev-list master.. | wc -l)
 123 '
 124
 125 test_expect_success 'rebase a single mode change' '
 126         git checkout master &&
 127         echo 1 >X &&
 128         git add X &&
 129         test_tick &&
 130         git commit -m prepare &&
 131         git checkout -b modechange HEAD^ &&
 132         echo 1 >X &&
 133         git add X &&
 134         test_chmod +x A &&
 135         test_tick &&
 136         git commit -m modechange &&
 137         GIT_TRACE=1 git rebase master
 138 '
 139
 140 test_expect_success 'rebase is not broken by diff.renames' '
 141         git config diff.renames copies &&
 142         test_when_finished "git config --unset diff.renames" &&
 143         git checkout filemove &&
 144         GIT_TRACE=1 git rebase force-3way
 145 '
 146
 147 test_expect_success 'setup: recover' '
 148         test_might_fail git rebase --abort &&
 149         git reset --hard &&
 150         git checkout modechange
 151 '
 152
 153 test_expect_success 'Show verbose error when HEAD could not be detached' '
 154         >B &&
 155         test_must_fail git rebase topic 2>output.err >output.out &&
 156         grep "The following untracked working tree files would be overwritten by checkout:" output.err &&
 157         grep B output.err
 158 '
 159 rm -f B
 160
 161 test_expect_success 'fail when upstream arg is missing and not on branch' '
 162         git checkout topic &&
 163         test_must_fail git rebase >output.out &&
 164         grep "You are not currently on a branch" output.out
 165 '
 166
 167 test_expect_success 'fail when upstream arg is missing and not configured' '
 168         git checkout -b no-config topic &&
 169         test_must_fail git rebase >output.out &&
 170         grep "branch.no-config.merge" output.out
 171 '
 172
 173 test_expect_success 'default to @{upstream} when upstream arg is missing' '
 174         git checkout -b default topic &&
 175         git config branch.default.remote . &&
 176         git config branch.default.merge refs/heads/master &&
 177         git rebase &&
 178         test "$(git rev-parse default~1)" = "$(git rev-parse master)"
 179 '
 180
 181 test_expect_success 'rebase -q is quiet' '
 182         git checkout -b quiet topic &&
 183         git rebase -q master >output.out 2>&1 &&
 184         test ! -s output.out
 185 '
 186
 187 test_expect_success 'Rebase a commit that sprinkles CRs in' '
 188         (
 189                 echo "One"
 190                 echo "TwoQ"
 191                 echo "Three"
 192                 echo "FQur"
 193                 echo "Five"
 194         ) | q_to_cr >CR &&
 195         git add CR &&
 196         test_tick &&
 197         git commit -a -m "A file with a line with CR" &&
 198         git tag file-with-cr &&
 199         git checkout HEAD^0 &&
 200         git rebase --onto HEAD^^ HEAD^ &&
 201         git diff --exit-code file-with-cr:CR HEAD:CR
 202 '
 203
 204 test_expect_success 'rebase can copy notes' '
 205         git config notes.rewrite.rebase true &&
 206         git config notes.rewriteRef "refs/notes/*" &&
 207         test_commit n1 &&
 208         test_commit n2 &&
 209         test_commit n3 &&
 210         git notes add -m"a note" n3 &&
 211         git rebase --onto n1 n2 &&
 212         test "a note" = "$(git notes show HEAD)"
 213 '
 214
 215 test_expect_success 'rebase -m can copy notes' '
 216         git reset --hard n3 &&
 217         git rebase -m --onto n1 n2 &&
 218         test "a note" = "$(git notes show HEAD)"
 219 '
 220
 221 test_expect_success 'rebase commit with an ancient timestamp' '
 222         git reset --hard &&
 223
 224         >old.one && git add old.one && test_tick &&
 225         git commit --date="@12345 +0400" -m "Old one" &&
 226         >old.two && git add old.two && test_tick &&
 227         git commit --date="@23456 +0500" -m "Old two" &&
 228         >old.three && git add old.three && test_tick &&
 229         git commit --date="@34567 +0600" -m "Old three" &&
 230
 231         git cat-file commit HEAD^^ >actual &&
 232         grep "author .* 12345 +0400$" actual &&
 233         git cat-file commit HEAD^ >actual &&
 234         grep "author .* 23456 +0500$" actual &&
 235         git cat-file commit HEAD >actual &&
 236         grep "author .* 34567 +0600$" actual &&
 237
 238         git rebase --onto HEAD^^ HEAD^ &&
 239
 240         git cat-file commit HEAD >actual &&
 241         grep "author .* 34567 +0600$" actual
 242 '
 243
 244 test_done