Print a more helpful error message if we cannot write to the backup

destination.


git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@971 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

 New in v1.2.3 (????/??/??)
 ---------------------------
 
+Print a more helpful error message if we cannot write to the backup
+destination. (Andrew Ferguson)
+
 Add ETIMEDOUT to the list of recoverable errors; when irrecoverable, a
 ConnectionError is raised. Closes Ubuntu bug #304659. (Andrew Ferguson)
 

trunk/rdiff-backup/rdiff_backup/Main.py

@@ -441,7 +441,21 @@ option.""" % rpout.path)
 	elif check_failed_initial_backup():
 		fix_failed_initial_backup()
 
-	if not Globals.rbdir.lstat(): Globals.rbdir.mkdir()
+	if not Globals.rbdir.lstat():
+		try:
+			Globals.rbdir.mkdir()
+		except IOError, exc:
+			Log.FatalError(
+"""Could not create rdiff-backup directory
+
+%s
+
+due to
+
+%s
+
+Please check that the rdiff-backup user can create files and directories in the
+destination directory: %s""" % (Globals.rbdir.path, exc, rpout.path))
 	SetConnections.UpdateGlobal('rbdir', Globals.rbdir)
 
 def backup_warn_if_infinite_regress(rpin, rpout):