t/t3400-rebase.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Amos Waterland
   4 #
   5
   6 test_description='git rebase should not destroy author information
   7
   8 This test runs git rebase and checks that the author information is not lost.
   9 '
  10 . ./test-lib.sh
  11
  12 GIT_AUTHOR_EMAIL=bogus_email_address
  13 export GIT_AUTHOR_EMAIL
  14
  15 test_expect_success \
  16     'prepare repository with topic branches' \
  17     'git config core.logAllRefUpdates true &&
  18      echo First > A &&
  19      git update-index --add A &&
  20      git commit -m "Add A." &&
  21      git checkout -b my-topic-branch &&
  22      echo Second > B &&
  23      git update-index --add B &&
  24      git commit -m "Add B." &&
  25      git checkout -f master &&
  26      echo Third >> A &&
  27      git update-index A &&
  28      git commit -m "Modify A." &&
  29      git checkout -b side my-topic-branch &&
  30      echo Side >> C &&
  31      git add C &&
  32      git commit -m "Add C" &&
  33      git checkout -b nonlinear my-topic-branch &&
  34      echo Edit >> B &&
  35      git add B &&
  36      git commit -m "Modify B" &&
  37      git merge side &&
  38      git checkout -b upstream-merged-nonlinear &&
  39      git merge master &&
  40      git checkout -f my-topic-branch &&
  41      git tag topic
  42 '
  43
  44 test_expect_success 'rebase against master' '
  45      git rebase master'
  46
  47 test_expect_success \
  48     'the rebase operation should not have destroyed author information' \
  49     '! (git log | grep "Author:" | grep "<>")'
  50
  51 test_expect_success 'rebase after merge master' '
  52      git reset --hard topic &&
  53      git merge master &&
  54      git rebase master &&
  55      ! (git show | grep "^Merge:")
  56 '
  57
  58 test_expect_success 'rebase of history with merges is linearized' '
  59      git checkout nonlinear &&
  60      test 4 = $(git rev-list master.. | wc -l) &&
  61      git rebase master &&
  62      test 3 = $(git rev-list master.. | wc -l)
  63 '
  64
  65 test_expect_success \
  66     'rebase of history with merges after upstream merge is linearized' '
  67      git checkout upstream-merged-nonlinear &&
  68      test 5 = $(git rev-list master.. | wc -l) &&
  69      git rebase master &&
  70      test 3 = $(git rev-list master.. | wc -l)
  71 '
  72
  73 test_expect_success 'rebase a single mode change' '
  74      git checkout master &&
  75      echo 1 > X &&
  76      git add X &&
  77      test_tick &&
  78      git commit -m prepare &&
  79      git checkout -b modechange HEAD^ &&
  80      echo 1 > X &&
  81      git add X &&
  82      chmod a+x A &&
  83      test_tick &&
  84      git commit -m modechange A X &&
  85      GIT_TRACE=1 git rebase master
  86 '
  87
  88 test_expect_success 'HEAD was detached during rebase' '
  89      test $(git rev-parse HEAD@{1}) != $(git rev-parse modechange@{1})
  90 '
  91
  92 test_expect_success 'Show verbose error when HEAD could not be detached' '
  93      : > B &&
  94      test_must_fail git rebase topic 2> output.err > output.out &&
  95      grep "Untracked working tree file .B. would be overwritten" output.err
  96 '
  97
  98 test_done