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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (guix scripts import hackage) | |
20 | #:use-module (guix ui) | |
21 | #:use-module (guix utils) | |
d8c66da7 | 22 | #:use-module (guix packages) |
88981dd3 | 23 | #:use-module (guix scripts) |
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24 | #:use-module (guix import hackage) |
25 | #:use-module (guix scripts import) | |
26 | #:use-module (srfi srfi-1) | |
27 | #:use-module (srfi srfi-11) | |
28 | #:use-module (srfi srfi-37) | |
29 | #:use-module (ice-9 match) | |
30 | #:use-module (ice-9 format) | |
31 | #:export (guix-import-hackage)) | |
32 | ||
33 | \f | |
34 | ;;; | |
35 | ;;; Command-line options. | |
36 | ;;; | |
37 | ||
d8c66da7 FB |
38 | (define ghc-default-version |
39 | (string-append "ghc-" (package-version (@ (gnu packages haskell) ghc)))) | |
40 | ||
863af4e1 | 41 | (define %default-options |
d8c66da7 | 42 | `((include-test-dependencies? . #t) |
a4154748 | 43 | (read-from-stdin? . #f) |
d8c66da7 | 44 | (cabal-environment . ,`(("impl" . ,ghc-default-version))))) |
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45 | |
46 | (define (show-help) | |
47 | (display (_ "Usage: guix import hackage PACKAGE-NAME | |
48 | Import and convert the Hackage package for PACKAGE-NAME. If PACKAGE-NAME | |
1b846da8 | 49 | includes a suffix constituted by a at-sign followed by a numerical version (as |
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50 | used with Guix packages), then a definition for the specified version of the |
51 | package will be generated. If no version suffix is pecified, then the | |
52 | generated package definition will correspond to the latest available | |
53 | version.\n")) | |
54 | (display (_ " | |
88981dd3 | 55 | -e ALIST, --cabal-environment=ALIST |
a4154748 FB |
56 | specify environment for Cabal evaluation")) |
57 | (display (_ " | |
863af4e1 FB |
58 | -h, --help display this help and exit")) |
59 | (display (_ " | |
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60 | -s, --stdin read from standard input")) |
61 | (display (_ " | |
8e01e300 | 62 | -t, --no-test-dependencies don't include test-only dependencies")) |
863af4e1 FB |
63 | (display (_ " |
64 | -V, --version display version information and exit")) | |
65 | (newline) | |
66 | (show-bug-report-information)) | |
67 | ||
68 | (define %options | |
69 | ;; Specification of the command-line options. | |
70 | (cons* (option '(#\h "help") #f #f | |
71 | (lambda args | |
72 | (show-help) | |
73 | (exit 0))) | |
74 | (option '(#\V "version") #f #f | |
75 | (lambda args | |
76 | (show-version-and-exit "guix import hackage"))) | |
77 | (option '(#\t "no-test-dependencies") #f #f | |
78 | (lambda (opt name arg result) | |
79 | (alist-cons 'include-test-dependencies? #f | |
80 | (alist-delete 'include-test-dependencies? | |
81 | result)))) | |
a4154748 FB |
82 | (option '(#\s "stdin") #f #f |
83 | (lambda (opt name arg result) | |
84 | (alist-cons 'read-from-stdin? #t | |
85 | (alist-delete 'read-from-stdin? | |
86 | result)))) | |
87 | (option '(#\e "cabal-environment") #t #f | |
88 | (lambda (opt name arg result) | |
89 | (alist-cons 'cabal-environment (read/eval arg) | |
90 | (alist-delete 'cabal-environment | |
91 | result)))) | |
863af4e1 FB |
92 | %standard-import-options)) |
93 | ||
94 | \f | |
95 | ;;; | |
96 | ;;; Entry point. | |
97 | ;;; | |
98 | ||
99 | (define (guix-import-hackage . args) | |
100 | (define (parse-options) | |
101 | ;; Return the alist of option values. | |
102 | (args-fold* args %options | |
103 | (lambda (opt name arg result) | |
104 | (leave (_ "~A: unrecognized option~%") name)) | |
105 | (lambda (arg result) | |
106 | (alist-cons 'argument arg result)) | |
107 | %default-options)) | |
108 | ||
a4154748 FB |
109 | (define (run-importer package-name opts error-fn) |
110 | (let ((sexp (hackage->guix-package | |
111 | package-name | |
112 | #:include-test-dependencies? | |
113 | (assoc-ref opts 'include-test-dependencies?) | |
114 | #:port (if (assoc-ref opts 'read-from-stdin?) | |
115 | (current-input-port) | |
116 | #f) | |
117 | #:cabal-environment | |
118 | (assoc-ref opts 'cabal-environment)))) | |
119 | (unless sexp (error-fn)) | |
120 | sexp)) | |
121 | ||
863af4e1 FB |
122 | (let* ((opts (parse-options)) |
123 | (args (filter-map (match-lambda | |
124 | (('argument . value) | |
125 | value) | |
126 | (_ #f)) | |
127 | (reverse opts)))) | |
a4154748 FB |
128 | (if (assoc-ref opts 'read-from-stdin?) |
129 | (match args | |
130 | (() | |
131 | (run-importer "stdin" opts | |
132 | (lambda () | |
2c59cbc2 LC |
133 | (leave (_ "failed to import cabal file \ |
134 | from standard input~%"))))) | |
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135 | ((many ...) |
136 | (leave (_ "too many arguments~%")))) | |
137 | (match args | |
138 | ((package-name) | |
139 | (run-importer package-name opts | |
140 | (lambda () | |
5453de3d LC |
141 | (leave (_ "failed to download cabal file \ |
142 | for package '~a'~%") | |
143 | package-name)))) | |
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144 | (() |
145 | (leave (_ "too few arguments~%"))) | |
146 | ((many ...) | |
147 | (leave (_ "too many arguments~%"))))))) |