From 042f470ef9bd960986962b5b60dd54817dc5ae03 Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Sat, 19 Feb 2005 23:39:47 +0000
Subject: [PATCH] Made delete_file() backup files it is removing if --backup
 was specified.

---
 rsync.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/rsync.c b/rsync.c
index 408f4716..d9e55c7b 100644
--- a/rsync.c
+++ b/rsync.c
@@ -42,6 +42,15 @@ extern int make_backups;
 extern struct stats stats;
 extern char *backup_dir;
 extern char *log_format;
+extern char *backup_suffix;
+extern int backup_suffix_len;
+
+
+static int is_backup_file(char *fn)
+{
+	int k = strlen(fn) - backup_suffix_len;
+	return k > 0 && strcmp(fn+k, backup_suffix) == 0;
+}
 
 
 /*
@@ -72,7 +81,12 @@ int delete_file(char *fname, int mode, int flags)
 		return -1;
 
 	if (!S_ISDIR(mode)) {
-		if (robust_unlink(fname) == 0) {
+		int ok;
+		if (make_backups && (backup_dir || !is_backup_file(fname)))
+			ok = make_backup(fname);
+		else
+			ok = robust_unlink(fname) == 0;
+		if (ok) {
 			if ((verbose || log_format) && !(flags & DEL_TERSE))
 				log_delete(fname, mode);
 			deletion_count++;
-- 
2.34.1