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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com>
;;; Copyright © 2014, 2015 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2013-2020, 2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2016 Danny Milosavljevic <dannym+a@scratchpost.org>
;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;; Copyright © 2017 Alex Kost <alezost@gmail.com>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018, 2019 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2019, 2020 Simon Tournier <zimon.toutoune@gmail.com>
;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;;
;;; 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 scripts lint)
#:use-module (guix packages)
#:use-module (guix lint)
#:use-module (guix ui)
#:use-module (guix store)
#:use-module (guix scripts)
#:use-module (guix scripts build)
#:use-module (gnu packages)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-37)
#:export (guix-lint
run-checkers))
(define (emit-warnings warnings)
;; Emit a warning about PACKAGE, printing the location of FIELD if it is
;; given, the location of PACKAGE otherwise, the full name of PACKAGE and the
;; provided MESSAGE.
(for-each
(lambda (lint-warning)
(let* ((package (lint-warning-package lint-warning))
(name (package-name package))
(version (package-version package))
(loc (lint-warning-location lint-warning))
(message (lint-warning-message lint-warning)))
(parameterize
((guix-warning-port (current-output-port)))
(info loc (G_ "~a@~a: ~a~%")
name version message))))
warnings))
(define* (run-checkers package checkers #:key store)
"Run the given CHECKERS on PACKAGE."
(let ((tty? (isatty? (current-error-port))))
(for-each (lambda (checker)
(when tty?
(format (current-error-port) "checking ~a@~a [~a]...\x1b[K\r"
(package-name package) (package-version package)
(lint-checker-name checker))
(force-output (current-error-port)))
(emit-warnings
(if (lint-checker-requires-store? checker)
((lint-checker-check checker) package #:store store)
((lint-checker-check checker) package))))
checkers)
(when tty?
(format (current-error-port) "\x1b[K")
(force-output (current-error-port)))))
(define (list-checkers-and-exit checkers)
;; Print information about all available checkers and exit.
(format #t (G_ "Available checkers:~%"))
(for-each (lambda (checker)
(format #t "- ~a: ~a~%"
(lint-checker-name checker)
(G_ (lint-checker-description checker))))
checkers)
(exit 0))
;;;
;;; Command-line options.
;;;
(define %default-options
;; Alist of default option values.
'())
(define (show-help)
(display (G_ "Usage: guix lint [OPTION]... [PACKAGE]...
Run a set of checkers on the specified package; if none is specified,
run the checkers on all packages.\n"))
(display (G_ "
-c, --checkers=CHECKER1,CHECKER2...
only run the specified checkers"))
(display (G_ "
-x, --exclude=CHECKER1,CHECKER2...
exclude the specified checkers"))
(display (G_ "
-n, --no-network only run checkers that do not access the network"))
(display (G_ "
-e, --expression=EXPR consider the package EXPR evaluates to"))
(display (G_ "
-L, --load-path=DIR prepend DIR to the package module search path"))
(newline)
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-l, --list-checkers display the list of available lint checkers"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
(define (option-checker short-long)
;; Factorize the creation of the two options -c/--checkers and -x/--exclude,
;; see %options. The parameter SHORT-LONG is the list containing the short
;; and long name. The alist uses the long name as symbol.
(option short-long #t #f
(lambda (opt name arg result)
(let ((names (map string->symbol (string-split arg #\,)))
(checker-names (map lint-checker-name %all-checkers))
(option-name (string->symbol (match short-long
((short long) long)))))
(for-each (lambda (c)
(unless (memq c checker-names)
(leave (G_ "~a: invalid checker~%") c)))
names)
(alist-cons option-name
(filter (lambda (checker)
(member (lint-checker-name checker)
names))
%all-checkers)
result)))))
(define %options
;; Specification of the command-line options.
;; TODO: add some options:
;; * --certainty=[low,medium,high]: only run checkers that have at least this
;; 'certainty'.
(list (option-checker '(#\c "checkers"))
(option-checker '(#\x "exclude"))
(option '(#\n "no-network") #f #f
(lambda (opt name arg result)
(alist-cons 'no-network? #t result)))
(find (lambda (option)
(member "load-path" (option-names option)))
%standard-build-options)
(option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\l "list-checkers") #f #f
(lambda (opt name arg result)
(alist-cons 'list? #t result)))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression arg result)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix lint")))))
;;;
;;; Entry Point
;;;
(define-command (guix-lint . args)
(category packaging)
(synopsis "validate package definitions")
(define (parse-options)
;; Return the alist of option values.
(parse-command-line args %options (list %default-options)
#:build-options? #f))
(let* ((opts (parse-options))
(args (filter-map (match-lambda
(('argument . spec)
(specification->package spec))
(('expression . exp)
(read/eval-package-expression exp))
(_ #f))
(reverse opts)))
(no-checkers (or (assoc-ref opts 'exclude) '()))
(the-checkers (filter (lambda (checker)
(not (member checker no-checkers)))
(or (assoc-ref opts 'checkers) %all-checkers)))
(checkers
(if (assoc-ref opts 'no-network?)
(filter (lambda (checker)
(member checker %local-checkers))
the-checkers)
the-checkers)))
(when (assoc-ref opts 'list?)
(list-checkers-and-exit checkers))
(with-error-handling
(let ((any-lint-checker-requires-store?
(any lint-checker-requires-store? checkers)))
(define (call-maybe-with-store proc)
(if any-lint-checker-requires-store?
(with-store store
(proc store))
(proc #f)))
(call-maybe-with-store
(lambda (store)
(cond
((null? args)
(fold-packages (lambda (p r) (run-checkers p checkers
#:store store)) '()))
(else
(for-each (lambda (package)
(run-checkers package checkers
#:store store))
args)))))))))
|
