Split bash-completion snippet in small ones

/usr/share/bash-completion/completions/ now uses dynamic loading based on file name.

src/util/bash-completion/mdb-schema

@@ -0,0 +1,30 @@
+#-*- mode: shell-script;-*-
+have mdb-schema &&
+_mdb_schema()
+{
+	local cur prev
+        
+	COMPREPLY=()
+	cur=${COMP_WORDS[COMP_CWORD]}
+	prev=${COMP_WORDS[COMP_CWORD-1]}
+
+	if [[ "$prev" == -@(T|-table|N|-namespace) ]] ; then
+		return 0
+	elif [[ "$cur" == -* ]]; then
+		COMPREPLY=( $( compgen -W '-T --table \
+                            -N --namespace \
+		            --drop-table --no-drop-table \
+		            --not-null --no-not-null \
+		            --default-values --no-default-values \
+		            --not-empty --no-not-empty \
+		            --indexes --no-indexes \
+		            --relations --no-relations
+                            -h --help' -- $cur ) )
+	elif [[ "$prev" == @(*mdb|*mdw|*accdb) ]]; then
+		COMPREPLY=( $( compgen -W 'access sybase oracle postgres mysql' -- $cur ) )
+	else
+		_filedir '@(mdb|mdw|accdb)'
+	fi
+	return 0
+} &&
+complete -F _mdb_schema mdb-schema