1 files changed, 34 insertions, 9 deletions

diff --git a/merge-recursive.c b/merge-recursive.c
index 1446e92bea..fa87341e67 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -27,6 +27,7 @@
 #include "dir.h"
 #include "submodule.h"
 #include "revision.h"
+#include "commit-reach.h"
 
 struct path_hashmap_entry {
 	struct hashmap_entry e;
@@ -156,7 +157,7 @@ static struct tree *shift_tree_object(struct tree *one, struct tree *two,
 		shift_tree_by(&one->object.oid, &two->object.oid, &shifted,
 			      subtree_shift);
 	}
-	if (!oidcmp(&two->object.oid, &shifted))
+	if (oideq(&two->object.oid, &shifted))
 		return two;
 	return lookup_tree(the_repository, &shifted);
 }
@@ -179,7 +180,7 @@ static int oid_eq(const struct object_id *a, const struct object_id *b)
 {
 	if (!a && !b)
 		return 2;
-	return a && b && oidcmp(a, b) == 0;
+	return a && b && oideq(a, b);
 }
 
 enum rename_type {
@@ -966,7 +967,7 @@ static int update_file_flags(struct merge_options *o,
 		}
 		if (S_ISREG(mode)) {
 			struct strbuf strbuf = STRBUF_INIT;
-			if (convert_to_working_tree(path, buf, size, &strbuf)) {
+			if (convert_to_working_tree(&the_index, path, buf, size, &strbuf)) {
 				free(buf);
 				size = strbuf.len;
 				buf = strbuf_detach(&strbuf, NULL);
@@ -2239,7 +2240,7 @@ static struct dir_rename_entry *check_dir_renamed(const char *path,
 {
 	char *temp = xstrdup(path);
 	char *end;
-	struct dir_rename_entry *entry = NULL;;
+	struct dir_rename_entry *entry = NULL;
 
 	while ((end = strrchr(temp, '/'))) {
 		*end = '\0';
@@ -2869,12 +2870,19 @@ static int detect_and_process_renames(struct merge_options *o,
 	head_pairs = get_diffpairs(o, common, head);
 	merge_pairs = get_diffpairs(o, common, merge);
 
-	dir_re_head = get_directory_renames(head_pairs, head);
-	dir_re_merge = get_directory_renames(merge_pairs, merge);
+	if (o->detect_directory_renames) {
+		dir_re_head = get_directory_renames(head_pairs, head);
+		dir_re_merge = get_directory_renames(merge_pairs, merge);
 
-	handle_directory_level_conflicts(o,
-					 dir_re_head, head,
-					 dir_re_merge, merge);
+		handle_directory_level_conflicts(o,
+						 dir_re_head, head,
+						 dir_re_merge, merge);
+	} else {
+		dir_re_head  = xmalloc(sizeof(*dir_re_head));
+		dir_re_merge = xmalloc(sizeof(*dir_re_merge));
+		dir_rename_init(dir_re_head);
+		dir_rename_init(dir_re_merge);
+	}
 
 	ri->head_renames  = get_renames(o, head_pairs,
 					dir_re_merge, dir_re_head, head,
@@ -3070,10 +3078,26 @@ static int merge_content(struct merge_options *o,
 	if (mfi.clean &&
 	    was_tracked_and_matches(o, path, &mfi.oid, mfi.mode) &&
 	    !df_conflict_remains) {
+		int pos;
+		struct cache_entry *ce;
+
 		output(o, 3, _("Skipped %s (merged same as existing)"), path);
 		if (add_cacheinfo(o, mfi.mode, &mfi.oid, path,
 				  0, (!o->call_depth && !is_dirty), 0))
 			return -1;
+		/*
+		 * However, add_cacheinfo() will delete the old cache entry
+		 * and add a new one.  We need to copy over any skip_worktree
+		 * flag to avoid making the file appear as if it were
+		 * deleted by the user.
+		 */
+		pos = index_name_pos(&o->orig_index, path, strlen(path));
+		ce = o->orig_index.cache[pos];
+		if (ce_skip_worktree(ce)) {
+			pos = index_name_pos(&the_index, path, strlen(path));
+			ce = the_index.cache[pos];
+			ce->ce_flags |= CE_SKIP_WORKTREE;
+		}
 		return mfi.clean;
 	}
 
@@ -3570,6 +3594,7 @@ void init_merge_options(struct merge_options *o)
 	o->renormalize = 0;
 	o->diff_detect_rename = -1;
 	o->merge_detect_rename = -1;
+	o->detect_directory_renames = 1;
 	merge_recursive_config(o);
 	merge_verbosity = getenv("GIT_MERGE_VERBOSITY");
 	if (merge_verbosity)