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-rwxr-xr-xthird_party/git/t/t4300-merge-tree.sh335
1 files changed, 335 insertions, 0 deletions
diff --git a/third_party/git/t/t4300-merge-tree.sh b/third_party/git/t/t4300-merge-tree.sh
new file mode 100755
index 000000000000..d87cc7d9efde
--- /dev/null
+++ b/third_party/git/t/t4300-merge-tree.sh
@@ -0,0 +1,335 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Will Palmer
+#
+
+test_description='git merge-tree'
+. ./test-lib.sh
+
+test_expect_success setup '
+	test_commit "initial" "initial-file" "initial"
+'
+
+test_expect_success 'file add A, !B' '
+	cat >expected <<\EXPECTED &&
+added in remote
+  their  100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+@@ -0,0 +1 @@
++AAA
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "add-a-not-b" "ONE" "AAA" &&
+	git merge-tree initial initial add-a-not-b >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file add !A, B' '
+	git reset --hard initial &&
+	test_commit "add-not-a-b" "ONE" "AAA" &&
+	git merge-tree initial add-not-a-b initial >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file add A, B (same)' '
+	git reset --hard initial &&
+	test_commit "add-a-b-same-A" "ONE" "AAA" &&
+	git reset --hard initial &&
+	test_commit "add-a-b-same-B" "ONE" "AAA" &&
+	git merge-tree initial add-a-b-same-A add-a-b-same-B >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file add A, B (different)' '
+	cat >expected <<\EXPECTED &&
+added in both
+  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+  their  100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
+@@ -1 +1,5 @@
++<<<<<<< .our
+ AAA
++=======
++BBB
++>>>>>>> .their
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "add-a-b-diff-A" "ONE" "AAA" &&
+	git reset --hard initial &&
+	test_commit "add-a-b-diff-B" "ONE" "BBB" &&
+	git merge-tree initial add-a-b-diff-A add-a-b-diff-B >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file change A, !B' '
+	git reset --hard initial &&
+	test_commit "change-a-not-b" "initial-file" "BBB" &&
+	git merge-tree initial change-a-not-b initial >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file change !A, B' '
+	cat >expected <<\EXPECTED &&
+merged
+  result 100644 ba629238ca89489f2b350e196ca445e09d8bb834 initial-file
+  our    100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
+@@ -1 +1 @@
+-initial
++BBB
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "change-not-a-b" "initial-file" "BBB" &&
+	git merge-tree initial initial change-not-a-b >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file change A, B (same)' '
+	git reset --hard initial &&
+	test_commit "change-a-b-same-A" "initial-file" "AAA" &&
+	git reset --hard initial &&
+	test_commit "change-a-b-same-B" "initial-file" "AAA" &&
+	git merge-tree initial change-a-b-same-A change-a-b-same-B >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file change A, B (different)' '
+	cat >expected <<\EXPECTED &&
+changed in both
+  base   100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
+  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d initial-file
+  their  100644 ba629238ca89489f2b350e196ca445e09d8bb834 initial-file
+@@ -1 +1,5 @@
++<<<<<<< .our
+ AAA
++=======
++BBB
++>>>>>>> .their
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "change-a-b-diff-A" "initial-file" "AAA" &&
+	git reset --hard initial &&
+	test_commit "change-a-b-diff-B" "initial-file" "BBB" &&
+	git merge-tree initial change-a-b-diff-A change-a-b-diff-B >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file change A, B (mixed)' '
+	cat >expected <<\EXPECTED &&
+changed in both
+  base   100644 f4f1f998c7776568c4ff38f516d77fef9399b5a7 ONE
+  our    100644 af14c2c3475337c73759d561ef70b59e5c731176 ONE
+  their  100644 372d761493f524d44d59bd24700c3bdf914c973c ONE
+@@ -7,7 +7,11 @@
+ AAA
+ AAA
+ AAA
++<<<<<<< .our
+ BBB
++=======
++CCC
++>>>>>>> .their
+ AAA
+ AAA
+ AAA
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "change-a-b-mix-base" "ONE" "
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA
+AAA" &&
+	test_commit "change-a-b-mix-A" "ONE" \
+		"$(sed -e "1{s/AAA/BBB/;}" -e "10{s/AAA/BBB/;}" <ONE)" &&
+	git reset --hard change-a-b-mix-base &&
+	test_commit "change-a-b-mix-B" "ONE" \
+		"$(sed -e "1{s/AAA/BBB/;}" -e "10{s/AAA/CCC/;}" <ONE)" &&
+	git merge-tree change-a-b-mix-base change-a-b-mix-A change-a-b-mix-B \
+		>actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file remove A, !B' '
+	git reset --hard initial &&
+	test_commit "rm-a-not-b-base" "ONE" "AAA" &&
+	git rm ONE &&
+	git commit -m "rm-a-not-b" &&
+	git tag "rm-a-not-b" &&
+	git merge-tree rm-a-not-b-base rm-a-not-b rm-a-not-b-base >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file remove !A, B' '
+	cat >expected <<\EXPECTED &&
+removed in remote
+  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+@@ -1 +0,0 @@
+-AAA
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "rm-not-a-b-base" "ONE" "AAA" &&
+	git rm ONE &&
+	git commit -m "rm-not-a-b" &&
+	git tag "rm-not-a-b" &&
+	git merge-tree rm-a-not-b-base rm-a-not-b-base rm-a-not-b >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file remove A, B (same)' '
+	git reset --hard initial &&
+	test_commit "rm-a-b-base" "ONE" "AAA" &&
+	git rm ONE &&
+	git commit -m "rm-a-b" &&
+	git tag "rm-a-b" &&
+	git merge-tree rm-a-b-base rm-a-b rm-a-b >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'file change A, remove B' '
+	cat >expected <<\EXPECTED &&
+removed in remote
+  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+  our    100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
+@@ -1 +0,0 @@
+-BBB
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "change-a-rm-b-base" "ONE" "AAA" &&
+	test_commit "change-a-rm-b-A" "ONE" "BBB" &&
+	git reset --hard change-a-rm-b-base &&
+	git rm ONE &&
+	git commit -m "change-a-rm-b-B" &&
+	git tag "change-a-rm-b-B" &&
+	git merge-tree change-a-rm-b-base change-a-rm-b-A change-a-rm-b-B \
+		>actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'file remove A, change B' '
+	cat >expected <<\EXPECTED &&
+removed in local
+  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
+  their  100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
+EXPECTED
+
+	git reset --hard initial &&
+	test_commit "rm-a-change-b-base" "ONE" "AAA" &&
+
+	git rm ONE &&
+	git commit -m "rm-a-change-b-A" &&
+	git tag "rm-a-change-b-A" &&
+	git reset --hard rm-a-change-b-base &&
+	test_commit "rm-a-change-b-B" "ONE" "BBB" &&
+	git merge-tree rm-a-change-b-base rm-a-change-b-A rm-a-change-b-B \
+		>actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'tree add A, B (same)' '
+	git reset --hard initial &&
+	mkdir sub &&
+	test_commit "add sub/file" "sub/file" "file" add-tree-A &&
+	git merge-tree initial add-tree-A add-tree-A >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'tree add A, B (different)' '
+	cat >expect <<-\EOF &&
+	added in both
+	  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+	  their  100644 ba629238ca89489f2b350e196ca445e09d8bb834 sub/file
+	@@ -1 +1,5 @@
+	+<<<<<<< .our
+	 AAA
+	+=======
+	+BBB
+	+>>>>>>> .their
+	EOF
+	git reset --hard initial &&
+	mkdir sub &&
+	test_commit "add sub/file" "sub/file" "AAA" add-tree-a-b-A &&
+	git reset --hard initial &&
+	mkdir sub &&
+	test_commit "add sub/file" "sub/file" "BBB" add-tree-a-b-B &&
+	git merge-tree initial add-tree-a-b-A add-tree-a-b-B >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'tree unchanged A, removed B' '
+	cat >expect <<-\EOF &&
+	removed in remote
+	  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+	  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+	@@ -1 +0,0 @@
+	-AAA
+	EOF
+	git reset --hard initial &&
+	mkdir sub &&
+	test_commit "add sub/file" "sub/file" "AAA" tree-remove-b-initial &&
+	git rm sub/file &&
+	test_tick &&
+	git commit -m "remove sub/file" &&
+	git tag tree-remove-b-B &&
+	git merge-tree tree-remove-b-initial tree-remove-b-initial tree-remove-b-B >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'turn file to tree' '
+	git reset --hard initial &&
+	rm initial-file &&
+	mkdir initial-file &&
+	test_commit "turn-file-to-tree" "initial-file/ONE" "CCC" &&
+	git merge-tree initial initial turn-file-to-tree >actual &&
+	cat >expect <<-\EOF &&
+	added in remote
+	  their  100644 43aa4fdec31eb92e1fdc2f0ce6ea9ddb7c32bcf7 initial-file/ONE
+	@@ -0,0 +1 @@
+	+CCC
+	removed in remote
+	  base   100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
+	  our    100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
+	@@ -1 +0,0 @@
+	-initial
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'turn tree to file' '
+	git reset --hard initial &&
+	mkdir dir &&
+	test_commit "add-tree" "dir/path" "AAA" &&
+	test_commit "add-another-tree" "dir/another" "BBB" &&
+	rm -fr dir &&
+	test_commit "make-file" "dir" "CCC" &&
+	git merge-tree add-tree add-another-tree make-file >actual &&
+	cat >expect <<-\EOF &&
+	removed in remote
+	  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d dir/path
+	  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d dir/path
+	@@ -1 +0,0 @@
+	-AAA
+	added in remote
+	  their  100644 43aa4fdec31eb92e1fdc2f0ce6ea9ddb7c32bcf7 dir
+	@@ -0,0 +1 @@
+	+CCC
+	EOF
+	test_cmp expect actual
+'
+
+test_done