1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006-2007, Adam Chlipala
4 * This program is free software
; you can redistribute it
and/or
5 * modify it under the terms
of the GNU General Public License
6 * as published by the Free Software Foundation
; either version
2
7 * of the License
, or (at your option
) any later version
.
9 * This program is distributed
in the hope that it will be useful
,
10 * but WITHOUT ANY WARRANTY
; without even the implied warranty
of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
. See the
12 * GNU General Public License for more details
.
14 * You should have received a copy
of the GNU General Public License
15 * along
with this program
; if not
, write to the Free Software
16 * Foundation
, Inc
., 51 Franklin Street
, Fifth Floor
, Boston
, MA
02110-1301, USA
.
19 (* APT package database querying
*)
21 structure Apt
:> APT
= struct
23 fun validName s
= CharVector
.all (fn ch
=> Char.isAlphaNum ch
orelse ch
= #
"_" orelse ch
= #
"-" orelse ch
= #
".") s
24 andalso (size s
> 0 andalso String.sub (s
, 0) <> #
"-")
28 andalso OS
.Process
.isSuccess (OS
.Process
.system ("/usr/bin/dpkg -p " ^ name ^
" >/dev/null 2>/dev/null"))