merge-recursive: Move delete/modify handling into dedicated function

This move is in preparation for the function being called from multiple
places in order to handle D/F conflicts.

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

merge-recursive.c

@@ -1118,6 +1118,26 @@ error_return:
 	return ret;
 }
 
+static void handle_delete_modify(struct merge_options *o,
+				 const char *path,
+				 unsigned char *a_sha, int a_mode,
+				 unsigned char *b_sha, int b_mode)
+{
+	if (!a_sha) {
+		output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
+		       "and modified in %s. Version %s of %s left in tree.",
+		       path, o->branch1,
+		       o->branch2, o->branch2, path);
+		update_file(o, 0, b_sha, b_mode, path);
+	} else {
+		output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
+		       "and modified in %s. Version %s of %s left in tree.",
+		       path, o->branch2,
+		       o->branch1, o->branch1, path);
+		update_file(o, 0, a_sha, a_mode, path);
+	}
+}
+
 /* Per entry merge function */
 static int process_entry(struct merge_options *o,
 			 const char *path, struct stage_data *entry)
@@ -1150,19 +1170,8 @@ static int process_entry(struct merge_options *o,
 		} else {
 			/* Deleted in one and changed in the other */
 			clean_merge = 0;
-			if (!a_sha) {
-				output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
-				       "and modified in %s. Version %s of %s left in tree.",
-				       path, o->branch1,
-				       o->branch2, o->branch2, path);
-				update_file(o, 0, b_sha, b_mode, path);
-			} else {
-				output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
-				       "and modified in %s. Version %s of %s left in tree.",
-				       path, o->branch2,
-				       o->branch1, o->branch1, path);
-				update_file(o, 0, a_sha, a_mode, path);
-			}
+			handle_delete_modify(o, path,
+					     a_sha, a_mode, b_sha, b_mode);
 		}
 
 	} else if ((!o_sha && a_sha && !b_sha) ||