summaryrefslogtreecommitdiff
path: root/guix/svn-download.scm
blob: 59e2eb8d074e3e85906abe6796dfccd22481a0ae (plain)
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Sree Harsha Totakura <sreeharsha@totakura.in>
;;; Copyright © 2017, 2019 Ricardo Wurmus <rekado@elephly.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 svn-download)
  #:use-module (guix records)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:use-module (guix monads)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module ((guix build svn) #:prefix build:)
  #:use-module (ice-9 match)
  #:export (svn-reference
            svn-reference?
            svn-reference-url
            svn-reference-revision
            svn-reference-recursive?
            svn-fetch
            download-svn-to-store

            svn-multi-reference
            svn-multi-reference?
            svn-multi-reference-url
            svn-multi-reference-revision
            svn-multi-reference-locations
            svn-multi-reference-recursive?
            svn-multi-fetch))

;;; Commentary:
;;;
;;; An <origin> method that fetches a specific revision from a Subversion
;;; repository.  The repository URL and REVISION are specified with a
;;; <svn-reference> object.  REVISION should be specified as a number.
;;;
;;; Code:

(define-record-type* <svn-reference>
  svn-reference make-svn-reference
  svn-reference?
  (url        svn-reference-url)                    ; string
  (revision   svn-reference-revision)               ; number
  (recursive? svn-reference-recursive? (default #t))
  (user-name  svn-reference-user-name (default #f))
  (password   svn-reference-password (default #f)))

(define (subversion-package)
  "Return the default Subversion package."
  (let ((distro (resolve-interface '(gnu packages version-control))))
    (module-ref distro 'subversion)))

(define* (svn-fetch ref hash-algo hash
                    #:optional name
                    #:key (system (%current-system)) (guile (default-guile))
                    (svn (subversion-package)))
  "Return a fixed-output derivation that fetches REF, a <svn-reference>
object.  The output is expected to have recursive hash HASH of type
HASH-ALGO (a symbol).  Use NAME as the file name, or a generic name if #f."
  (define build
    (with-imported-modules '((guix build svn)
                             (guix build utils))
      #~(begin
          (use-modules (guix build svn))
          (svn-fetch '#$(svn-reference-url ref)
                     '#$(svn-reference-revision ref)
                     #$output
                     #:svn-command (string-append #+svn "/bin/svn")
                     #:recursive? #$(svn-reference-recursive? ref)
                     #:user-name #$(svn-reference-user-name ref)
                     #:password #$(svn-reference-password ref)))))

  (mlet %store-monad ((guile (package->derivation guile system)))
    (gexp->derivation (or name "svn-checkout") build
                      #:system system
                      #:hash-algo hash-algo
                      #:hash hash
                      #:recursive? #t
                      #:guile-for-build guile
                      #:local-build? #t)))

(define-record-type* <svn-multi-reference>
  svn-multi-reference make-svn-multi-reference
  svn-multi-reference?
  (url        svn-multi-reference-url)                 ; string
  (revision   svn-multi-reference-revision)            ; number
  (locations  svn-multi-reference-locations)           ; list of strings
  (recursive? svn-multi-reference-recursive? (default #t))
  (user-name  svn-multi-reference-user-name (default #f))
  (password   svn-multi-reference-password (default #f)))

(define* (svn-multi-fetch ref hash-algo hash
                          #:optional name
                          #:key (system (%current-system)) (guile (default-guile))
                          (svn (subversion-package)))
  "Return a fixed-output derivation that fetches REF, a <svn-multi-reference>
object.  The output is expected to have recursive hash HASH of type
HASH-ALGO (a symbol).  Use NAME as the file name, or a generic name if #f."
  (define build
    (with-imported-modules '((guix build svn)
                             (guix build utils))
      #~(begin
          (use-modules (guix build svn)
                       (guix build utils)
                       (srfi srfi-1))
          (every (lambda (location)
                   ;; The directory must exist if we are to fetch only a
                   ;; single file.
                   (unless (string-suffix? "/" location)
                     (mkdir-p (string-append #$output "/" (dirname location))))
                   (svn-fetch (string-append '#$(svn-multi-reference-url ref)
                                             "/" location)
                              '#$(svn-multi-reference-revision ref)
                              (if (string-suffix? "/" location)
                                  (string-append #$output "/" location)
                                  (string-append #$output "/" (dirname location)))
                              #:svn-command (string-append #+svn "/bin/svn")
                              #:recursive?
                              #$(svn-multi-reference-recursive? ref)
                              #:user-name #$(svn-multi-reference-user-name ref)
                              #:password #$(svn-multi-reference-password ref)))
                 '#$(svn-multi-reference-locations ref)))))

  (mlet %store-monad ((guile (package->derivation guile system)))
    (gexp->derivation (or name "svn-checkout") build
                      #:leaked-env-vars '("http_proxy" "https_proxy"
                                          "LC_ALL" "LC_MESSAGES" "LANG"
                                          "COLUMNS")
                      #:system system
                      #:hash-algo hash-algo
                      #:hash hash
                      #:recursive? #t
                      #:guile-for-build guile
                      #:local-build? #t)))

(define* (download-svn-to-store store ref
                                #:optional (name (basename (svn-reference-url ref)))
                                #:key (log (current-error-port)))
  "Download from REF, a <svn-reference> object to STORE.  Write progress
reports to LOG."
  (call-with-temporary-directory
   (lambda (temp)
     (let ((result
            (parameterize ((current-output-port log))
              (build:svn-fetch (svn-reference-url ref)
                               (svn-reference-revision ref)
                               temp
                               #:user-name (svn-reference-user-name ref)
                               #:password (svn-reference-password ref)))))
       (and result
            (add-to-store store name #t "sha256" temp))))))

;;; svn-download.scm ends here