added "ignore errors" option in rsyncd.conf

flist.c

@@ -769,7 +769,8 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 
 	/* if protocol version is >= 17 then send the io_error flag */
 	if (f != -1 && remote_version >= 17) {
-		write_int(f, io_error);
+		extern int module_id;
+		write_int(f, lp_ignore_errors(module_id)? 0 : io_error);
 	}
 
 	if (f != -1) {
@@ -854,7 +855,12 @@ struct file_list *recv_file_list(int f)
 
   /* if protocol version is >= 17 then recv the io_error flag */
   if (f != -1 && remote_version >= 17) {
-	  io_error |= read_int(f);
+	  extern int module_id;
+	  if (lp_ignore_errors(module_id)) {
+		  read_int(f);
+	  } else {
+		  io_error |= read_int(f);
+	  }
   }
 
   if (list_only) {

loadparm.c

@@ -117,6 +117,7 @@ typedef struct
 	BOOL list;
 	BOOL use_chroot;
 	BOOL transfer_logging;
+	BOOL ignore_errors;
 	char *uid;
 	char *gid;
 	char *hosts_allow;
@@ -147,6 +148,7 @@ static service sDefault =
 	True,    /* list */
 	True,    /* use chroot */
 	False,   /* transfer logging */
+	False,   /* ignore errors */
 	"nobody",/* uid */
 	"nobody",/* gid */
 	NULL,    /* hosts allow */
@@ -272,6 +274,7 @@ static struct parm_struct parm_table[] =
   {"include",          P_STRING,  P_LOCAL,  &sDefault.include,     NULL,   0},
   {"include from",     P_STRING,  P_LOCAL,  &sDefault.include_from,NULL,   0},
   {"transfer logging", P_BOOL,    P_LOCAL,  &sDefault.transfer_logging,NULL,0},
+  {"ignore errors",    P_BOOL,    P_LOCAL,  &sDefault.ignore_errors,NULL,0},
   {"log format",       P_STRING,  P_LOCAL,  &sDefault.log_format,  NULL,   0},
   {"refuse options",   P_STRING,  P_LOCAL,  &sDefault.refuse_options,NULL, 0},
   {"dont compress",    P_STRING,  P_LOCAL,  &sDefault.dont_compress,NULL,  0},
@@ -336,6 +339,7 @@ FN_LOCAL_BOOL(lp_read_only, read_only)
 FN_LOCAL_BOOL(lp_list, list)
 FN_LOCAL_BOOL(lp_use_chroot, use_chroot)
 FN_LOCAL_BOOL(lp_transfer_logging, transfer_logging)
+FN_LOCAL_BOOL(lp_ignore_errors, ignore_errors)
 FN_LOCAL_STRING(lp_uid, uid)
 FN_LOCAL_STRING(lp_gid, gid)
 FN_LOCAL_STRING(lp_hosts_allow, hosts_allow)

receiver.c

@@ -109,11 +109,12 @@ static void delete_files(struct file_list *flist)
 	struct file_list *local_file_list;
 	int i, j;
 	char *name;
+	extern int module_id;
 
 	if (cvs_exclude)
 		add_cvs_excludes();
 
-	if (io_error) {
+	if (io_error && !lp_ignore_errors(module_id)) {
 		rprintf(FINFO,"IO error encountered - skipping file deletion\n");
 		return;
 	}

rsyncd.conf.yo

@@ -274,6 +274,14 @@ rejected. See the "hosts allow" option for more information.
 
 The default is no "hosts deny" option, which means all hosts can connect.
 
+dit(bf(ignore errors)) The "ignore errors" option tells rsyncd to
+ignore IO errors on the server when deciding whether to run the delete
+phase of the transfer. Normally rsync skips the --delete step if any
+IO errors have occurred in order to prevent disasterous deletion due
+to a temporary resource shortage or other IO error. In some cases this
+test is counter productive so you can use this option to turn off this
+behaviour. 
+
 dit(bf(transfer logging)) The "transfer logging" option enables per-file 
 logging of downloads and uploads in a format somewhat similar to that
 used by ftp daemons. If you want to customize the log formats look at