X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8324bd5c21e422c82488903ebded6198ca90782d..34e18ecd6158165b9fc706f281c25bc607c3c72e:/rsync.c

diff --git a/rsync.c b/rsync.c
index 4bf8b8ab..d9e55c7b 100644
--- a/rsync.c
+++ b/rsync.c
@@ -36,11 +36,21 @@ extern int preserve_gid;
 extern int force_delete;
 extern int inplace;
 extern int recurse;
+extern int max_delete;
 extern int keep_dirlinks;
 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;
+}
 
 
 /*
@@ -53,6 +63,8 @@ void free_sums(struct sum_struct *s)
 }
 
 
+int deletion_count = 0; /* used to implement --max-delete */
+
 /*
  * delete a file or directory. If force_delete is set then delete
  * recursively
@@ -65,10 +77,19 @@ int delete_file(char *fname, int mode, int flags)
 	STRUCT_STAT st;
 	int zap_dir;
 
+	if (max_delete && deletion_count >= max_delete)
+		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++;
 			return 0;
 		}
 		if (errno == ENOENT)
@@ -85,6 +106,7 @@ int delete_file(char *fname, int mode, int flags)
 	else if (do_rmdir(fname) == 0) {
 		if ((verbose || log_format) && !(flags & DEL_TERSE))
 			log_delete(fname, mode);
+		deletion_count++;
 		return 0;
 	}
 	if (errno == ENOENT)
@@ -133,11 +155,14 @@ int delete_file(char *fname, int mode, int flags)
 
 	closedir(d);
 
+	if (max_delete && deletion_count >= max_delete)
+		return -1;
 	if (do_rmdir(fname) != 0 && errno != ENOENT) {
 		rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
 			full_fname(fname));
 		return -1;
 	}
+	deletion_count++;
 
 	return 0;
 }