1 files changed, 71 insertions, 0 deletions
diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh
new file mode 100755
index 0000000000..62205b2531
--- /dev/null
+++ b/t/t3400-rebase.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Amos Waterland
+#
+
+test_description='git rebase should not destroy author information
+
+This test runs git rebase and checks that the author information is not lost.
+'
+. ./test-lib.sh
+
+export GIT_AUTHOR_EMAIL=bogus_email_address
+
+test_expect_success \
+    'prepare repository with topic branches' \
+    'echo First > A &&
+     git update-index --add A &&
+     git-commit -m "Add A." &&
+     git checkout -b my-topic-branch &&
+     echo Second > B &&
+     git update-index --add B &&
+     git-commit -m "Add B." &&
+     git checkout -f master &&
+     echo Third >> A &&
+     git update-index A &&
+     git-commit -m "Modify A." &&
+     git checkout -b side my-topic-branch &&
+     echo Side >> C &&
+     git add C &&
+     git commit -m "Add C" &&
+     git checkout -b nonlinear my-topic-branch &&
+     echo Edit >> B &&
+     git add B &&
+     git commit -m "Modify B" &&
+     git merge side &&
+     git checkout -b upstream-merged-nonlinear &&
+     git merge master &&
+     git checkout -f my-topic-branch &&
+     git tag topic
+'
+
+test_expect_success 'rebase against master' '
+     git rebase master'
+
+test_expect_failure \
+    'the rebase operation should not have destroyed author information' \
+    'git log | grep "Author:" | grep "<>"'
+
+test_expect_success 'rebase after merge master' '
+     git reset --hard topic &&
+     git merge master &&
+     git rebase master &&
+     ! git show | grep "^Merge:"
+'
+
+test_expect_success 'rebase of history with merges is linearized' '
+     git checkout nonlinear &&
+     test 4 = $(git rev-list master.. | wc -l) &&
+     git rebase master &&
+     test 3 = $(git rev-list master.. | wc -l)
+'
+
+test_expect_success \
+    'rebase of history with merges after upstream merge is linearized' '
+     git checkout upstream-merged-nonlinear &&
+     test 5 = $(git rev-list master.. | wc -l) &&
+     git rebase master &&
+     test 3 = $(git rev-list master.. | wc -l)
+'
+
+test_done