Duplicity handler: added "bandwidthlimit" option.

changelog

@@ -14,6 +14,7 @@ version 0.x -- xxxxxxxxxxxxx
 		added "nicelevel" option
 		added "testconnect" option
 		added "sshoptions" option (will be passed to ssh/scp)
+		added "bandwidthlimit" option
 	example.dup example config file for duplicity handler 
 	added trac (http://trac.edgewall.com/) environment handler (thanks Charles Lepple!)
 

etc/backup.d/example.dup

@@ -75,7 +75,10 @@ exclude = /home/*/.gnupg
 #keep = 60
 #keep = yes
 
-## passed directly to ssh/scp
+# bandwith limit, in kbit/s ; default is 0, i.e. no limit
+#bandwidthlimit = 128
+
+# passed directly to ssh and scp
 sshoptions = -i /root/.ssh/id_dsa_duplicity
 
 # put the backups under this directory

handlers/dup

@@ -19,6 +19,7 @@ getconf exclude
 setsection dest
 getconf keep 60
 getconf sshoptions
+getconf bandwidthlimit 0
 getconf desthost
 getconf destdir
 getconf destuser
@@ -43,7 +44,10 @@ fi
 
 ### COMMAND-LINE MANGLING ###
 
-execstr="$options --no-print-statistics --scp-command 'scp $sshoptions' --ssh-command 'ssh $sshoptions' "
+scpoptions="$sshoptions"
+[ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
+
+execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
 
 if [ "$encryptkey" == "" ]; then
     [ "$sign" != "yes" ] || fatal "encryptkey option must be set when signing."