From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 15 Sep 2010 19:39:12 +0000 (-0700)
Subject: Merge branch 'ks/recursive-rename-add-identical'
X-Git-Tag: v1.7.3-rc2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9f0ccb5b0ac067b3408d3776bb06f85acd4a1e7e;hp=12644fa99fd16c33379c885670be0963cec07fc1;p=git.git

Merge branch 'ks/recursive-rename-add-identical'

* ks/recursive-rename-add-identical:
  RE: [PATCH] Avoid rename/add conflict when contents are identical
---

diff --git a/merge-recursive.c b/merge-recursive.c
index 20e177942..c57469881 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -955,6 +955,12 @@ static int process_renames(struct merge_options *o,
 							ren1->pair->two : NULL,
 							branch1 == o->branch1 ?
 							NULL : ren1->pair->two, 1);
+			} else if ((dst_other.mode == ren1->pair->two->mode) &&
+				   sha_eq(dst_other.sha1, ren1->pair->two->sha1)) {
+				/* Added file on the other side
+				   identical to the file being
+				   renamed: clean merge */
+				update_file(o, 1, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
 			} else if (!sha_eq(dst_other.sha1, null_sha1)) {
 				const char *new_path;
 				clean_merge = 0;
diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh
index efe2900a3..e66e550b2 100755
--- a/t/t3030-merge-recursive.sh
+++ b/t/t3030-merge-recursive.sh
@@ -23,6 +23,8 @@ test_expect_success 'setup 1' '
 	git branch df-3 &&
 	git branch remove &&
 	git branch submod &&
+	git branch copy &&
+	git branch rename &&
 
 	echo hello >>a &&
 	cp a d/e &&
@@ -248,6 +250,22 @@ test_expect_success 'setup 7' '
 	git commit -m "make d/ a submodule"
 '
 
+test_expect_success 'setup 8' '
+	git checkout rename &&
+	git mv a e &&
+	git add e &&
+	test_tick &&
+	git commit -m "rename a->e"
+'
+
+test_expect_success 'setup 9' '
+	git checkout copy &&
+	cp a e &&
+	git add e &&
+	test_tick &&
+	git commit -m "copy a->e"
+'
+
 test_expect_success 'merge-recursive simple' '
 
 	rm -fr [abcd] &&
@@ -580,4 +598,21 @@ test_expect_failure 'merge-recursive simple w/submodule result' '
 	test_cmp expected actual
 '
 
+test_expect_success 'merge-recursive copy vs. rename' '
+	git checkout -f copy &&
+	git merge rename &&
+	( git ls-tree -r HEAD && git ls-files -s ) >actual &&
+	(
+		echo "100644 blob $o0	b"
+		echo "100644 blob $o0	c"
+		echo "100644 blob $o0	d/e"
+		echo "100644 blob $o0	e"
+		echo "100644 $o0 0	b"
+		echo "100644 $o0 0	c"
+		echo "100644 $o0 0	d/e"
+		echo "100644 $o0 0	e"
+	) >expected &&
+	test_cmp expected actual
+'
+
 test_done