+ backup snaprsync fixes:
+ * Support --subdir= option, defaults to `.' (root of source fs).
+ * Correctly set up /var/lib/chiark-backup/snap-drop so drop works.
+ * Send output of local summer to fd 3 as required.
+
+ -- Ian Jackson <ian@davenant.greenend.org.uk> Sun, 30 Jul 2006 15:41:07 +0100