net-im/prosody: use pkg-message to show message on remove

net-im/prosody/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	prosody
 DISTVERSION=	0.12.1
+PORTREVISION=	1
 CATEGORIES=	net-im
 MASTER_SITES=	https://prosody.im/downloads/source/
 
@@ -44,8 +45,8 @@ USERS=		prosody
 GROUPS=		${USERS}
 
 USE_RC_SUBR=	prosody
-SUB_FILES=	pkg-deinstall
-SUB_LIST=	USERS=${USERS} GROUPS=${GROUPS} LUA_PREFIX=${LUA_PREFIX} LUA_CMD=${LUA_CMD}
+SUB_FILES=	pkg-message
+SUB_LIST=	USERS=${USERS} GROUPS=${GROUPS} LUA_PREFIX=${LUA_PREFIX} LUA_CMD=${LUA_CMD} PORTNAME="${PORTNAME}"
 PLIST_SUB=	PROSODY_USER=${USERS} PROSODY_GROUP=${GROUPS}
 
 post-install:

net-im/prosody/files/pkg-message.in

@@ -0,0 +1,30 @@
+[
+{ type: install
+  message: <<EOM
+If you're running Prosody in a jail and experience problems, please add
+the following to the global section of your prosody.cfg.lua:
+
+interfaces = { 'x.x.x.x' }
+
+where 'x.x.x.x' is the public IP you wish Prosody to bind to.
+EOM
+},
+{ type: remove
+  message: <<EOM
+===> post-deinstallation information for %%PORTNAME%%:"
+
+     Note:
+     Prosody related user accounts and groups were not removed.
+
+     To remove the user and group which were created by 
+     the installation of this package, run:
+
+     pw userdel -n %%USERS%%
+     pw groupdel -n %%GROUPS%%
+
+     and to remove all server data:
+     rm -rf /var/db/prosody"
+     rm -rf /var/run/prosody"
+EOM
+}
+]