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_EMAIL=bogus_email_address
  14 export GIT_AUTHOR_EMAIL
  15
  16 test_expect_success \
  17     '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 my-topic-branch &&
  23      echo Second > B &&
  24      git update-index --add B &&
  25      git commit -m "Add B." &&
  26      git checkout -f master &&
  27      echo Third >> A &&
  28      git update-index A &&
  29      git commit -m "Modify A." &&
  30      git checkout -b side my-topic-branch &&
  31      echo Side >> C &&
  32      git add C &&
  33      git commit -m "Add C" &&
  34      git checkout -b nonlinear my-topic-branch &&
  35      echo Edit >> B &&
  36      git add B &&
  37      git commit -m "Modify B" &&
  38      git merge side &&
  39      git checkout -b upstream-merged-nonlinear &&
  40      git merge master &&
  41      git checkout -f my-topic-branch &&
  42      git tag topic
  43 '
  44
  45 test_expect_success 'rebase on dirty worktree' '
  46      echo dirty >> A &&
  47      test_must_fail git rebase master'
  48
  49 test_expect_success 'rebase on dirty cache' '
  50      git add A &&
  51      test_must_fail git rebase master'
  52
  53 test_expect_success 'rebase against master' '
  54      git reset --hard HEAD &&
  55      git rebase master'
  56
  57 test_expect_success 'rebase against master twice' '
  58      git rebase master >out &&
  59      grep "Current branch my-topic-branch is up to date" out
  60 '
  61
  62 test_expect_success 'rebase against master twice with --force' '
  63      git rebase --force-rebase master >out &&
  64      grep "Current branch my-topic-branch is up to date, rebase forced" out
  65 '
  66
  67 test_expect_success 'rebase against master twice from another branch' '
  68      git checkout my-topic-branch^ &&
  69      git rebase master my-topic-branch >out &&
  70      grep "Current branch my-topic-branch is up to date" out
  71 '
  72
  73 test_expect_success 'rebase fast-forward to master' '
  74      git checkout my-topic-branch^ &&
  75      git rebase my-topic-branch >out &&
  76      grep "Fast-forwarded HEAD to my-topic-branch" out
  77 '
  78
  79 test_expect_success \
  80     'the rebase operation should not have destroyed author information' \
  81     '! (git log | grep "Author:" | grep "<>")'
  82
  83 test_expect_success 'HEAD was detached during rebase' '
  84      test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
  85 '
  86
  87 test_expect_success 'rebase after merge master' '
  88      git reset --hard topic &&
  89      git merge master &&
  90      git rebase master &&
  91      ! (git show | grep "^Merge:")
  92 '
  93
  94 test_expect_success 'rebase of history with merges is linearized' '
  95      git checkout nonlinear &&
  96      test 4 = $(git rev-list master.. | wc -l) &&
  97      git rebase master &&
  98      test 3 = $(git rev-list master.. | wc -l)
  99 '
 100
 101 test_expect_success \
 102     'rebase of history with merges after upstream merge is linearized' '
 103      git checkout upstream-merged-nonlinear &&
 104      test 5 = $(git rev-list master.. | wc -l) &&
 105      git rebase master &&
 106      test 3 = $(git rev-list master.. | wc -l)
 107 '
 108
 109 test_expect_success 'rebase a single mode change' '
 110      git checkout master &&
 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 'Show verbose error when HEAD could not be detached' '
 125      : > B &&
 126      test_must_fail git rebase topic 2> output.err > output.out &&
 127      grep "Untracked working tree file .B. would be overwritten" output.err
 128 '
 129
 130 test_expect_success 'rebase -q is quiet' '
 131      rm B &&
 132      git checkout -b quiet topic &&
 133      git rebase -q master > output.out 2>&1 &&
 134      test ! -s output.out
 135 '
 136
 137 q_to_cr () {
 138         tr Q '\015'
 139 }
 140
 141 test_expect_success 'Rebase a commit that sprinkles CRs in' '
 142         (
 143                 echo "One"
 144                 echo "TwoQ"
 145                 echo "Three"
 146                 echo "FQur"
 147                 echo "Five"
 148         ) | q_to_cr >CR &&
 149         git add CR &&
 150         test_tick &&
 151         git commit -a -m "A file with a line with CR" &&
 152         git tag file-with-cr &&
 153         git checkout HEAD^0 &&
 154         git rebase --onto HEAD^^ HEAD^ &&
 155         git diff --exit-code file-with-cr:CR HEAD:CR
 156 '
 157
 158 test_done