t / t3400-rebase.shon commit test: checkout shouldn't say that HEAD has moved if it didn't (e4b09da)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Amos Waterland
   4#
   5
   6test_description='git rebase should not destroy author information
   7
   8This test runs git rebase and checks that the author information is not lost.
   9'
  10. ./test-lib.sh
  11
  12GIT_AUTHOR_EMAIL=bogus_email_address
  13export GIT_AUTHOR_EMAIL
  14
  15test_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
  44test_expect_success 'rebase against master' '
  45     git rebase master'
  46
  47test_expect_success \
  48    'the rebase operation should not have destroyed author information' \
  49    '! (git log | grep "Author:" | grep "<>")'
  50
  51test_expect_success 'HEAD was detached during rebase' '
  52     test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
  53'
  54
  55test_expect_success 'rebase after merge master' '
  56     git reset --hard topic &&
  57     git merge master &&
  58     git rebase master &&
  59     ! (git show | grep "^Merge:")
  60'
  61
  62test_expect_success 'rebase of history with merges is linearized' '
  63     git checkout nonlinear &&
  64     test 4 = $(git rev-list master.. | wc -l) &&
  65     git rebase master &&
  66     test 3 = $(git rev-list master.. | wc -l)
  67'
  68
  69test_expect_success \
  70    'rebase of history with merges after upstream merge is linearized' '
  71     git checkout upstream-merged-nonlinear &&
  72     test 5 = $(git rev-list master.. | wc -l) &&
  73     git rebase master &&
  74     test 3 = $(git rev-list master.. | wc -l)
  75'
  76
  77test_expect_success 'rebase a single mode change' '
  78     git checkout master &&
  79     echo 1 > X &&
  80     git add X &&
  81     test_tick &&
  82     git commit -m prepare &&
  83     git checkout -b modechange HEAD^ &&
  84     echo 1 > X &&
  85     git add X &&
  86     test_chmod +x A &&
  87     test_tick &&
  88     git commit -m modechange &&
  89     GIT_TRACE=1 git rebase master
  90'
  91
  92test_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
  98test_done