X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9935066b704bcf2e6e48dac85cb1b4047d8f439d..ac1d2d338450eb005abf03002f5784097caf7e19:/hlink.c

diff --git a/hlink.c b/hlink.c
index f42df53d..3ee84335 100644
--- a/hlink.c
+++ b/hlink.c
@@ -22,6 +22,7 @@
 
 extern int dry_run;
 extern int verbose;
+extern int make_backups;
 
 #if SUPPORT_HARD_LINKS
 static int hlink_compare(struct file_struct **file1, struct file_struct **file2)
@@ -38,8 +39,8 @@ static int hlink_compare(struct file_struct **file1, struct file_struct **file2)
 	return file_compare(file1, file2);
 }
 
-struct file_struct **hlink_list;
-int hlink_count;
+static struct file_struct **hlink_list;
+static int hlink_count;
 
 #define LINKED(p1,p2) ((p1)->F_DEV == (p2)->F_DEV \
 		    && (p1)->F_INODE == (p2)->F_INODE)
@@ -134,7 +135,7 @@ void init_hard_links(struct file_list *flist)
 
 int hard_link_check(struct file_struct *file, int skip)
 {
-	if (!file->link_u.links)
+	if (!hlink_list || !file->link_u.links)
 		return 0;
 	if (skip && !(file->flags & FLAG_HLINK_EOL))
 		hlink_list[file->F_HLINDEX] = file->F_NEXT;
@@ -190,7 +191,10 @@ void do_hard_links(void)
 				if (st2.st_dev == st1.st_dev
 				    && st2.st_ino == st1.st_ino)
 					continue;
-				if (robust_unlink(hlink2)) {
+				if (make_backups) {
+					if (!make_backup(hlink2))
+						continue;
+				} else if (robust_unlink(hlink2)) {
 					if (verbose > 0) {
 						rprintf(FINFO,
 						    "unlink %s failed: %s\n",