mod_roster_command: Fix subscription when the "user JID" is a bare domain. Do not attempt to update the roster when the user is bare domain (e.g. a component), since they don't have rosters and the attempt results in an error: $ prosodyctl mod_roster_command subscribe proxy.example.com contact@example.com xxxxxxxxxxFailed to execute command: Error: /usr/lib/prosody/core/rostermanager.lua:104: attempt to concatenate local 'username' (a nil value) stack traceback: /usr/lib/prosody/core/rostermanager.lua:104: in function 'load_roster' /usr/lib/prosody/core/rostermanager.lua:305: in function 'set_contact_pending_out' mod_roster_command.lua:44: in function 'subscribe'

author "Kim Alvefur <zash@zash.se>"
description "Prosody XMPP server"

# Normal runlevel based start and stop
start on runlevel [2345]
stop on runlevel [!2345]

# Alternate method for starting and stopping
# when a network interface comes and goes
#
# start on net-device-up IFACE=eth0
# stop on net-device-down IFACE=eth0

# Change user so Prosdy doesn't have to
setgid prosody
setuid prosody

# Set a sensible umask
umask 0027

# Run prosody
exec /usr/bin/prosody

# Collect stdout into a log file
console log

# Restart on crashes
respawn
respawn limit 5 10