#!/bin/sh
#
#  Convert a .schema file as used by OpenLDAP slapd to LDIF.
#
awk '
BEGIN { buffer = ""; print "dn: cn=schema"; }
/^[\t ]*$/ { next; }
/^#.*$/ { next; }
/^[\t ]+/ { gsub("^[\t ]+",""); buffer = buffer " " $0; next; }
{
	if (length(buffer) > 0) { print buffer; } ;
	$1 = tolower($1) ;
	gsub("^objectclass$","objectclasses:",$1)
	gsub("^attributetype$","attributetypes:",$1)
	for (i in oids) {
		if (match($0, "[\t ]"i":") > 0) {
			gsub("[\t ]"i":", " "oids[i]".");
		}
	}
	if (index($1, "objectidentifier") > 0) {
		oids[$2] = $3;
	} else {
		buffer = $0;
	}
}
END { if (length(buffer) > 0) { print buffer; }; print "" }
' "$@"