split xhost completion in its own file

contrib/ssh

@@ -96,7 +96,7 @@ _ssh()
 
 	return 0
 }
-shopt -u hostcomplete && complete -F _ssh ssh slogin sftp xhost autossh
+shopt -u hostcomplete && complete -F _ssh ssh slogin sftp autossh
 
 # scp(1) completion
 #

contrib/xhost

@@ -0,0 +1,34 @@
+# -*- mode: shell-script; sh-basic-offset: 8; indent-tabs-mode: t -*-
+# ex: ts=8 sw=8 noet filetype=sh
+#
+# xhost(1) completion
+#
+have xhost &&
+_xhost ()
+{
+	local cur i
+	cur=`_get_cword`
+
+	case "$cur" in
+		+*)
+			cur=${cur:1}
+			_known_hosts -h "$cur"
+			for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do
+				COMPREPLY[i]=+${COMPREPLY[i]}
+			done
+			;;
+		-*)
+			cur=${cur:1}
+			_known_hosts -h "$cur"
+			for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do
+				COMPREPLY[i]=-${COMPREPLY[i]}
+			done
+			;;
+		*)
+			_known_hosts -h "$cur"
+			;;
+	esac
+
+	return 0
+}
+complete -F _xhost xhost