Merge branch 'sh/maint-rebase3'

* sh/maint-rebase3:
  rebase--interactive: fix parent rewriting for dropped commits

1 files changed, 139 insertions, 0 deletions

diff --git a/t/t3410-rebase-preserve-dropped-merges.sh b/t/t3410-rebase-preserve-dropped-merges.sh
new file mode 100755
index 0000000000..5816415aaf
--- /dev/null
+++ b/t/t3410-rebase-preserve-dropped-merges.sh
@@ -0,0 +1,139 @@
+#!/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' '
+	: > file1 &&
+	git add file1 &&
+	test_tick &&
+	git commit -m A &&
+	git tag A &&
+	echo 1 > file1 &&
+	test_tick &&
+	git commit -m B file1 &&
+	: > file2 &&
+	git add file2 &&
+	test_tick &&
+	git commit -m C &&
+	echo 2 > file1 &&
+	test_tick &&
+	git commit -m D file1 &&
+	: > file3 &&
+	git add file3 &&
+	test_tick &&
+	git commit -m E &&
+	git tag E &&
+	git checkout -b branch1 A &&
+	: > file4 &&
+	git add file4 &&
+	test_tick &&
+	git commit -m F &&
+	git tag F &&
+	echo 3 > file1 &&
+	test_tick &&
+	git commit -m G file1 &&
+	git tag G &&
+	: > file5 &&
+	git add file5 &&
+	test_tick &&
+	git commit -m H &&
+	git tag H &&
+	git checkout -b branch2 F &&
+	: > file6 &&
+	git add file6 &&
+	test_tick &&
+	git commit -m I &&
+	git tag I
+'
+
+# 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 branch1 &&
+	! git merge E &&
+	echo 23 > file1 &&
+	git add file1 &&
+	git commit -m L &&
+	git checkout branch2 &&
+	echo 3 > file1 &&
+	git commit -a -m G2 &&
+	! git merge E &&
+	echo 23 > file1 &&
+	git add file1 &&
+	git commit -m J &&
+	echo file7 > file7 &&
+	git add file7 &&
+	git commit -m K &&
+	GIT_EDITOR=: git rebase -i -p branch1 &&
+	test $(git rev-parse branch2^^) = $(git rev-parse branch1) &&
+	test "23" = "$(cat file1)" &&
+	test "" = "$(cat file6)" &&
+	test "file7" = "$(cat file7)" &&
+
+	git checkout branch1 &&
+	git reset --hard H &&
+	git checkout branch2 &&
+	git reset --hard I
+'
+
+# A - B - C - D - E
+#   \             \ \
+#     F - G - H -- L \        -->   L
+#       \            |               \
+#         I -- G2 -- J -- K           I -- G2 -- K
+# G2 = different changes as G
+test_expect_success 'keep different-resolution merges with -p' '
+	git checkout branch1 &&
+	! git merge E &&
+	echo 23 > file1 &&
+	git add file1 &&
+	git commit -m L &&
+	git checkout branch2 &&
+	echo 4 > file1 &&
+	git commit -a -m G2 &&
+	! git merge E &&
+	echo 24 > file1 &&
+	git add file1 &&
+	git commit -m J &&
+	echo file7 > file7 &&
+	git add file7 &&
+	git commit -m K &&
+	! GIT_EDITOR=: git rebase -i -p branch1 &&
+	echo 234 > file1 &&
+	git add file1 &&
+	GIT_EDITOR=: git rebase --continue &&
+	test $(git rev-parse branch2^^^) = $(git rev-parse branch1) &&
+	test "234" = "$(cat file1)" &&
+	test "" = "$(cat file6)" &&
+	test "file7" = "$(cat file7)" &&
+
+	git checkout branch1 &&
+	git reset --hard H &&
+	git checkout branch2 &&
+	git reset --hard I
+'
+
+test_done