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diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh
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+#!/bin/sh
+#
+# Copyright(C) 2008 Stephen Habermann & Andreas Ericsson
+#
+test_description='git rebase -p should preserve merges
+
+Run "git rebase -p" and check that merges are properly carried along
+'
+. ./test-lib.sh
+
+GIT_AUTHOR_EMAIL=bogus_email_address
+export GIT_AUTHOR_EMAIL
+
+# Clone 1 (trivial merge):
+#
+# A1--A2 <-- origin/master
+# \ \
+# B1--M <-- topic
+# \
+# B2 <-- origin/topic
+#
+# Clone 2 (conflicting merge):
+#
+# A1--A2--B3 <-- origin/master
+# \ \
+# B1------M <-- topic
+# \
+# B2 <-- origin/topic
+#
+# In both cases, 'topic' is rebased onto 'origin/topic'.
+
+test_expect_success 'setup for merge-preserving rebase' \
+ 'echo First > A &&
+ git add A &&
+ git-commit -m "Add A1" &&
+ git checkout -b topic &&
+ echo Second > B &&
+ git add B &&
+ git-commit -m "Add B1" &&
+ git checkout -f master &&
+ echo Third >> A &&
+ git-commit -a -m "Modify A2" &&
+
+ git clone ./. clone1 &&
+ cd clone1 &&
+ git checkout -b topic origin/topic &&
+ git merge origin/master &&
+ cd .. &&
+
+ echo Fifth > B &&
+ git add B &&
+ git commit -m "Add different B" &&
+
+ git clone ./. clone2 &&
+ cd clone2 &&
+ git checkout -b topic origin/topic &&
+ test_must_fail git merge origin/master &&
+ echo Resolved > B &&
+ git add B &&
+ git commit -m "Merge origin/master into topic" &&
+ cd .. &&
+
+ git checkout topic &&
+ echo Fourth >> B &&
+ git commit -a -m "Modify B2"
+'
+
+test_expect_success 'rebase -p fakes interactive rebase' '
+ (
+ cd clone1 &&
+ git fetch &&
+ git rebase -p origin/topic &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote branch " | wc -l)
+ )
+'
+
+test_expect_success '--continue works after a conflict' '
+ (
+ cd clone2 &&
+ git fetch &&
+ test_must_fail git rebase -p origin/topic &&
+ test 2 = $(git ls-files B | wc -l) &&
+ echo Resolved again > B &&
+ test_must_fail git rebase --continue &&
+ grep "^@@@ " .git/rebase-merge/patch &&
+ git add B &&
+ git rebase --continue &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Add different" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Merge origin" | wc -l)
+ )
+'
+
+test_done