1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 pukkamustard <pukkamustard@posteo.net>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix eris)
#:use-module (eris)
#:use-module (guix config)
#:use-module (guix eris fs-store)
#:use-module (guix eris http)
#:use-module (web uri)
#:use-module (ice-9 match)
#:export (guix-eris-block-reducer
guix-eris-block-ref
%eris-block-store-directory))
(define %eris-block-store-directory
(make-parameter
(or (getenv "GUIX_ERIS_BLOCK_STORE_DIRECTORY")
(string-append %state-directory "/eris"))))
(define (guix-eris-block-reducer)
"Returns a block reducer that stores blocks of ERIS encoded content."
(eris-fs-store-reducer (%eris-block-store-directory)))
(define %eris-peers
(make-parameter
;; TODO
(list (string->uri "http://localhost:8081"))))
(define* (try-in-order ref #:key block-refs)
(match block-refs
((block-ref . rest)
(let ((block (block-ref ref)))
(if block
block
(try-in-order ref #:block-refs rest))))
(() #f)))
(define* (guix-eris-block-ref ref #:key open-connection)
(try-in-order
ref
#:block-refs
(list
(lambda (ref)
(eris-fs-store-ref ref
#:store-directory (%eris-block-store-directory)))
(lambda (ref)
(eris-http-block-ref ref
#:host (string->uri "http://localhost:8081")
#:open-connection open-connection)))))
|