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diff --git a/t/t3410-rebase-preserve-dropped-merges.sh b/t/t3410-rebase-preserve-dropped-merges.sh
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+#!/bin/sh
+#
+# Copyright (c) 2008 Stephen Haberman
+#
+
+test_description='git rebase preserve merges
+
+This test runs git rebase with preserve merges and ensures commits
+dropped by the --cherry-pick flag have their childrens parents
+rewritten.
+'
+. ./test-lib.sh
+
+# set up two branches like this:
+#
+# A - B - C - D - E
+# \
+# F - G - H
+# \
+# I
+#
+# where B, D and G touch the same file.
+
+test_expect_success 'setup' '
+ test_commit A file1 &&
+ test_commit B file1 1 &&
+ test_commit C file2 &&
+ test_commit D file1 2 &&
+ test_commit E file3 &&
+ git checkout A &&
+ test_commit F file4 &&
+ test_commit G file1 3 &&
+ test_commit H file5 &&
+ git checkout F &&
+ test_commit I file6
+'
+
+# A - B - C - D - E
+# \ \ \
+# F - G - H -- L \ --> L
+# \ | \
+# I -- G2 -- J -- K I -- K
+# G2 = same changes as G
+test_expect_success 'skip same-resolution merges with -p' '
+ git checkout H &&
+ test_must_fail git merge E &&
+ test_commit L file1 23 &&
+ git checkout I &&
+ test_commit G2 file1 3 &&
+ test_must_fail git merge E &&
+ test_commit J file1 23 &&
+ test_commit K file7 file7 &&
+ git rebase -i -p L &&
+ test $(git rev-parse HEAD^^) = $(git rev-parse L) &&
+ test "23" = "$(cat file1)" &&
+ test "I" = "$(cat file6)" &&
+ test "file7" = "$(cat file7)"
+'
+
+# A - B - C - D - E
+# \ \ \
+# F - G - H -- L2 \ --> L2
+# \ | \
+# I -- G3 --- J2 -- K2 I -- G3 -- K2
+# G2 = different changes as G
+test_expect_success 'keep different-resolution merges with -p' '
+ git checkout H &&
+ test_must_fail git merge E &&
+ test_commit L2 file1 23 &&
+ git checkout I &&
+ test_commit G3 file1 4 &&
+ test_must_fail git merge E &&
+ test_commit J2 file1 24 &&
+ test_commit K2 file7 file7 &&
+ test_must_fail git rebase -i -p L2 &&
+ echo 234 > file1 &&
+ git add file1 &&
+ git rebase --continue &&
+ test $(git rev-parse HEAD^^^) = $(git rev-parse L2) &&
+ test "234" = "$(cat file1)" &&
+ test "I" = "$(cat file6)" &&
+ test "file7" = "$(cat file7)"
+'
+
+test_done