Disable hardlinks by default when backup source or restore destination is

on Windows.


git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@926 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

 New in v1.2.1 (????/??/??)
 ---------------------------
 
+Disable hardlinks by default when backup source or restore destination is
+on Windows. (Andrew Ferguson)
+
 Properly catch KeyboardInterrupt on Python 2.5. (Andrew Ferguson)
 
 Don't crash if a CacheIndexable tries to clear a non-existent cache entry,

trunk/rdiff-backup/rdiff_backup/Main.py

@@ -827,3 +827,7 @@ def checkdest_if_necessary(dest_rp):
 		Log("Previous backup seems to have failed, regressing "
 			"destination now.", 2)
 		dest_rp.conn.regress.Regress(dest_rp)
+
+def get_os_name():
+	"""Created as a function so that it can be called remotely."""
+	return os.name

trunk/rdiff-backup/rdiff_backup/Security.py

@@ -141,7 +141,7 @@ def set_allowed_requests(sec_level):
 				  "log.Log.log_to_file", "os.getuid", "Time.setcurtime_local",
 				  "rpath.gzip_open_local_read", "rpath.open_local_read",
 				  "Hardlink.initialize_dictionaries", "user_group.uid2uname",
-				  "user_group.gid2gname"])
+				  "user_group.gid2gname", "Main.get_os_name"])
 	if sec_level == "read-only" or sec_level == "all":
 		l.extend(["fs_abilities.get_readonly_fsa",
 				  "restore.MirrorStruct.get_increment_times",

trunk/rdiff-backup/rdiff_backup/fs_abilities.py

@@ -776,6 +776,9 @@ def backup_set_globals(rpin, force):
 
 	"""
 	assert Globals.rbdir.conn is Globals.local_connection
+	if rpin.conn.Main.get_os_name() == "nt":
+		log.Log("Hardlinks disabled by default on Windows", 4)
+		Globals.set('preserve_hardlinks', 0)
 	src_fsa = rpin.conn.fs_abilities.get_readonly_fsa('source', rpin)
 	log.Log(str(src_fsa), 4)
 	dest_fsa = FSAbilities('destination').init_readwrite(Globals.rbdir)
@@ -803,6 +806,9 @@ def backup_set_globals(rpin, force):
 def restore_set_globals(rpout):
 	"""Set fsa related globals for restore session, given in/out rps"""
 	assert rpout.conn is Globals.local_connection
+	if rpout.conn.Main.get_os_name() == "nt":
+		log.Log("Hardlinks disabled by default on Windows", 4)
+		Globals.set('preserve_hardlinks', 0)
 	src_fsa = Globals.rbdir.conn.fs_abilities.get_readonly_fsa(
 		                  'rdiff-backup repository', Globals.rbdir)
 	log.Log(str(src_fsa), 4)