merge-recursive: Small cleanups for conflict_rename_rename_1to2

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

merge-recursive.c

@@ -964,58 +964,55 @@ static void conflict_rename_delete(struct merge_options *o,
 }
 
 static void conflict_rename_rename_1to2(struct merge_options *o,
-					struct diff_filepair *pair1,
-					const char *branch1,
-					struct diff_filepair *pair2,
-					const char *branch2)
+					struct rename_conflict_info *ci)
 {
 	/* One file was renamed in both branches, but to different names. */
+	struct diff_filespec *one = ci->pair1->one;
+	struct diff_filespec *a = ci->pair1->two;
+	struct diff_filespec *b = ci->pair2->two;
+	const char *dst_name_a = a->path;
+	const char *dst_name_b = b->path;
 	char *del[2];
 	int delp = 0;
-	const char *src      = pair1->one->path;
-	const char *ren1_dst = pair1->two->path;
-	const char *ren2_dst = pair2->two->path;
-	const char *dst_name1 = ren1_dst;
-	const char *dst_name2 = ren2_dst;
 
 	output(o, 1, "CONFLICT (rename/rename): "
 	       "Rename \"%s\"->\"%s\" in branch \"%s\" "
 	       "rename \"%s\"->\"%s\" in \"%s\"%s",
-	       src, pair1->two->path, branch1,
-	       src, pair2->two->path, branch2,
+	       one->path, a->path, ci->branch1,
+	       one->path, b->path, ci->branch2,
 	       o->call_depth ? " (left unresolved)" : "");
-	if (dir_in_way(ren1_dst, !o->call_depth)) {
-		dst_name1 = del[delp++] = unique_path(o, ren1_dst, branch1);
+	if (dir_in_way(a->path, !o->call_depth)) {
+		dst_name_a = del[delp++] = unique_path(o, a->path, ci->branch1);
 		output(o, 1, "%s is a directory in %s adding as %s instead",
-		       ren1_dst, branch2, dst_name1);
+		       a->path, ci->branch2, dst_name_a);
 	}
-	if (dir_in_way(ren2_dst, !o->call_depth)) {
-		dst_name2 = del[delp++] = unique_path(o, ren2_dst, branch2);
+	if (dir_in_way(b->path, !o->call_depth)) {
+		dst_name_b = del[delp++] = unique_path(o, b->path, ci->branch2);
 		output(o, 1, "%s is a directory in %s adding as %s instead",
-		       ren2_dst, branch1, dst_name2);
+		       b->path, ci->branch1, dst_name_b);
 	}
 	if (o->call_depth) {
 		struct merge_file_info mfi;
-		mfi = merge_file(o, src,
-				 pair1->one->sha1, pair1->one->mode,
-				 pair1->two->sha1, pair1->two->mode,
-				 pair2->two->sha1, pair2->two->mode,
-				 branch1, branch2);
+		mfi = merge_file(o, one->path,
+				 one->sha1, one->mode,
+				 a->sha1, a->mode,
+				 b->sha1, b->mode,
+				 ci->branch1, ci->branch2);
 		/*
 		 * FIXME: For rename/add-source conflicts (if we could detect
 		 * such), this is wrong.  We should instead find a unique
 		 * pathname and then either rename the add-source file to that
 		 * unique path, or use that unique path instead of src here.
 		 */
-		update_file(o, 0, mfi.sha, mfi.mode, src);
-		remove_file_from_cache(ren1_dst);
-		remove_file_from_cache(ren2_dst);
+		update_file(o, 0, mfi.sha, mfi.mode, one->path);
+		remove_file_from_cache(a->path);
+		remove_file_from_cache(b->path);
 	} else {
-		update_stages(ren1_dst, NULL, pair1->two, NULL);
-		update_stages(ren2_dst, NULL, NULL, pair2->two);
+		update_stages(a->path, NULL, a, NULL);
+		update_stages(b->path, NULL, NULL, b);
 
-		update_file(o, 0, pair1->two->sha1, pair1->two->mode, dst_name1);
-		update_file(o, 0, pair2->two->sha1, pair2->two->mode, dst_name2);
+		update_file(o, 0, a->sha1, a->mode, dst_name_a);
+		update_file(o, 0, b->sha1, b->mode, dst_name_b);
 	}
 	while (delp--)
 		free(del[delp]);
@@ -1503,10 +1500,7 @@ static int process_entry(struct merge_options *o,
 			break;
 		case RENAME_ONE_FILE_TO_TWO:
 			clean_merge = 0;
-			conflict_rename_rename_1to2(o, conflict_info->pair1,
-						    conflict_info->branch1,
-						    conflict_info->pair2,
-						    conflict_info->branch2);
+			conflict_rename_rename_1to2(o, conflict_info);
 			break;
 		default:
 			entry->processed = 0;