blob: 00814c7d46fc18b24715ae1d83b98dcf051a682d (
about) (
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
;;; Copyright © 2021 Xinglu Chem <public@yoctocell.xyz>
;;; Copyright © 2021, 2023, 2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;;
;;; 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 import stackage)
#:use-module (ice-9 match)
#:use-module (json)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
#:use-module (guix import json)
#:use-module (guix import hackage)
#:autoload (guix import cabal) (eval-cabal)
#:use-module (guix import utils)
#:use-module (guix memoization)
#:use-module (guix packages)
#:use-module (guix upstream)
#:use-module (guix diagnostics)
#:use-module (guix i18n)
#:export (%stackage-url
stackage->guix-package
stackage-recursive-import
%stackage-updater))
;;;
;;; Stackage info fetcher and access functions
;;;
(define %stackage-url
(make-parameter "https://www.stackage.org"))
;; Latest LTS version compatible with current GHC.
(define %default-lts-version "20.5")
(define-json-mapping <stackage-lts> make-stackage-lts
stackage-lts?
json->stackage-lts
(snapshot stackage-lts-snapshot "snapshot" json->snapshot)
(packages stackage-lts-packages "packages"
(lambda (vector)
(map json->stackage-package (vector->list vector)))))
(define-json-mapping <snapshot> make-snapshot
stackage-snapshot?
json->snapshot
(name snapshot-name)
(ghc-version snapshot-ghc-version)
(compiler snapshot-compiler))
(define-json-mapping <stackage-package> make-stackage-package
stackage-package?
json->stackage-package
(origin stackage-package-origin)
(name stackage-package-name)
(version stackage-package-version)
(synopsis stackage-package-synopsis))
(define stackage-lts-info-fetch
;; "Retrieve the information about the LTS Stackage release VERSION."
(memoize
(lambda* (#:optional (version ""))
(let* ((url (string-append (%stackage-url)
"/lts-" (if (string-null? version)
%default-lts-version
version)))
(lts-info (and=> (json-fetch url) json->stackage-lts)))
(or lts-info
(raise (formatted-message (G_ "LTS release version not found: ~a")
version)))))))
(define (lts-package-version packages name)
"Return the version of the package with upstream NAME included in PACKAGES."
(let ((pkg (find (lambda (pkg) (string=? (stackage-package-name pkg) name))
packages)))
(stackage-package-version pkg)))
;;;
;;; Importer entry point
;;;
(define (hackage-name-version name version)
(and version (string-append name "@" version)))
(define stackage->guix-package
(memoize
(lambda* (package-name ; upstream name
#:key
(include-test-dependencies? #t)
(lts-version %default-lts-version)
(packages
(stackage-lts-packages
(stackage-lts-info-fetch lts-version)))
#:allow-other-keys)
"Fetch Cabal file for PACKAGE-NAME from hackage.haskell.org. The retrieved
version corresponds to the version of PACKAGE-NAME specified in the LTS-VERSION
release at stackage.org. Return the `package' S-expression corresponding to
that package, or #f on failure. PACKAGES-INFO is the alist with the packages
included in the Stackage LTS release."
(let* ((version (lts-package-version packages package-name))
(name-version (hackage-name-version package-name version)))
(if name-version
(hackage->guix-package name-version
#:include-test-dependencies?
include-test-dependencies?)
(raise (formatted-message (G_ "~a: Stackage package not found")
package-name)))))))
(define (stackage-recursive-import package-name . args)
(recursive-import package-name
#:repo->guix-package (lambda* (name #:key version #:allow-other-keys)
(apply stackage->guix-package (cons name args)))
#:guix-name hackage-name->package-name))
;;;
;;; Updater
;;;
(define latest-lts-release
(let ((packages
(mlambda ()
(stackage-lts-packages
(stackage-lts-info-fetch %default-lts-version)))))
(lambda* (pkg #:key (version #f))
"Return an <upstream-source> for the latest Stackage LTS release of
PACKAGE or #f if the package is not included in the Stackage LTS release."
(when version
(raise
(formatted-message
(G_ "~a updater doesn't support updating to a specific version, sorry.")
"stackage")))
(let* ((hackage-name (package-upstream-name* pkg))
(version (lts-package-version (packages) hackage-name))
(name-version (hackage-name-version hackage-name version)))
(match (and=> name-version hackage-fetch)
(#f
(warning (G_ "failed to parse ~a~%")
(hackage-cabal-url hackage-name))
#f)
(_ (let ((url (hackage-source-url hackage-name version)))
(upstream-source
(package (package-name pkg))
(version version)
(urls (list url))
(inputs
(let ((cabal (eval-cabal (hackage-fetch name-version) '())))
(cabal-package-inputs cabal)))))))))))
(define (stackage-lts-package? package)
"Return whether PACKAGE is available on the default Stackage LTS release."
(and (hackage-package? package)
(false-if-networking-error
(let ((packages (stackage-lts-packages
(stackage-lts-info-fetch %default-lts-version)))
(hackage-name (package-upstream-name* package)))
(find (lambda (package)
(string=? (stackage-package-name package) hackage-name))
packages)))))
(define %stackage-updater
(upstream-updater
(name 'stackage)
(description "Updater for Stackage LTS packages")
(pred stackage-lts-package?)
(import latest-lts-release)))
;;; stackage.scm ends here
|