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(* virt-builder
* Copyright (C) 2013 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
(** This module is a wrapper around curl, plus local caching. *)
type uri = string
type filename = string
type t
(** The abstract data type. *)
val create : curl:string -> tmpdir:string -> cache:Cache.t option -> t
(** Create the abstract type. *)
val download : t -> ?template:string * Index.arch * Utils.revision -> ?progress_bar:bool -> ?proxy:Curl.proxy -> uri -> filename * bool
(** Download the URI, returning the downloaded filename and a
temporary file flag. The temporary file flag is [true] iff
the downloaded file is temporary and should be deleted by the
caller (otherwise it's in the cache and you shouldn't delete it).
For templates, you must supply [~template:(name, arch, revision)].
This causes the cache to be used (if possible). Name, arch(itecture)
and revision are used for cache control (see the man page for details).
If [~progress_bar:true] then display a progress bar if the file
doesn't come from the cache. In verbose mode, progress messages
are always displayed.
[proxy] specifies the type of proxy to be used in the transfer,
if possible. *)
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