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88981dd3 | 1 | ;;; GNU Guix --- Functional package management for GNU |
71c3c3df | 2 | ;;; Copyright © 2013, 2014, 2015, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> |
88981dd3 | 3 | ;;; Copyright © 2014 Deck Pickard <deck.r.pickard@gmail.com> |
a82a201a | 4 | ;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com> |
fdef0d85 | 5 | ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> |
88981dd3 AK |
6 | ;;; |
7 | ;;; This file is part of GNU Guix. | |
8 | ;;; | |
9 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
10 | ;;; under the terms of the GNU General Public License as published by | |
11 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
12 | ;;; your option) any later version. | |
13 | ;;; | |
14 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
15 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;;; GNU General Public License for more details. | |
18 | ;;; | |
19 | ;;; You should have received a copy of the GNU General Public License | |
20 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | (define-module (guix scripts) | |
a82a201a | 23 | #:use-module (guix grafts) |
88981dd3 AK |
24 | #:use-module (guix utils) |
25 | #:use-module (guix ui) | |
430505eb AK |
26 | #:use-module (guix store) |
27 | #:use-module (guix monads) | |
28 | #:use-module (guix packages) | |
29 | #:use-module (guix derivations) | |
795d430d | 30 | #:use-module ((guix profiles) #:select (%profile-directory)) |
55da450a | 31 | #:autoload (guix describe) (current-profile-date) |
62a14bd2 | 32 | #:use-module (guix build syscalls) |
88981dd3 | 33 | #:use-module (srfi srfi-1) |
7fd952e0 | 34 | #:use-module (srfi srfi-19) |
88981dd3 AK |
35 | #:use-module (srfi srfi-37) |
36 | #:use-module (ice-9 match) | |
37 | #:export (args-fold* | |
430505eb AK |
38 | parse-command-line |
39 | maybe-build | |
ad8b83bd | 40 | build-package |
7fd952e0 LC |
41 | build-package-source |
42 | %distro-age-warning | |
62a14bd2 LC |
43 | warn-about-old-distro |
44 | %disk-space-warning | |
45 | warn-about-disk-space)) | |
88981dd3 AK |
46 | |
47 | ;;; Commentary: | |
48 | ;;; | |
49 | ;;; General code for Guix scripts. | |
50 | ;;; | |
51 | ;;; Code: | |
52 | ||
fdef0d85 | 53 | (define (args-fold* args options unrecognized-option-proc operand-proc . seeds) |
88981dd3 AK |
54 | "A wrapper on top of `args-fold' that does proper user-facing error |
55 | reporting." | |
56 | (catch 'misc-error | |
57 | (lambda () | |
fdef0d85 | 58 | (apply args-fold args options unrecognized-option-proc |
88981dd3 AK |
59 | operand-proc seeds)) |
60 | (lambda (key proc msg args . rest) | |
61 | ;; XXX: MSG is not i18n'd. | |
69daee23 | 62 | (leave (G_ "invalid argument: ~a~%") |
88981dd3 AK |
63 | (apply format #f msg args))))) |
64 | ||
65 | (define (environment-build-options) | |
66 | "Return additional build options passed as environment variables." | |
67 | (arguments-from-environment-variable "GUIX_BUILD_OPTIONS")) | |
68 | ||
69 | (define %default-argument-handler | |
70 | ;; The default handler for non-option command-line arguments. | |
71 | (lambda (arg result) | |
72 | (alist-cons 'argument arg result))) | |
73 | ||
74 | (define* (parse-command-line args options seeds | |
75 | #:key | |
a1ff7e1d | 76 | (build-options? #t) |
88981dd3 | 77 | (argument-handler %default-argument-handler)) |
a1ff7e1d LC |
78 | "Parse the command-line arguments ARGS according to OPTIONS (a list of |
79 | SRFI-37 options) and return the result, seeded by SEEDS. When BUILD-OPTIONS? | |
80 | is true, also pass arguments passed via the 'GUIX_BUILD_OPTIONS' environment | |
81 | variable. Command-line options take precedence those passed via | |
82 | 'GUIX_BUILD_OPTIONS'. | |
88981dd3 AK |
83 | |
84 | ARGUMENT-HANDLER is called for non-option arguments, like the 'operand-proc' | |
85 | parameter of 'args-fold'." | |
86 | (define (parse-options-from args seeds) | |
87 | ;; Actual parsing takes place here. | |
88 | (apply args-fold* args options | |
89 | (lambda (opt name arg . rest) | |
69daee23 | 90 | (leave (G_ "~A: unrecognized option~%") name)) |
88981dd3 AK |
91 | argument-handler |
92 | seeds)) | |
93 | ||
94 | (call-with-values | |
95 | (lambda () | |
a1ff7e1d LC |
96 | (if build-options? |
97 | (parse-options-from (environment-build-options) seeds) | |
98 | (apply values seeds))) | |
88981dd3 AK |
99 | (lambda seeds |
100 | ;; ARGS take precedence over what the environment variable specifies. | |
101 | (parse-options-from args seeds)))) | |
102 | ||
430505eb AK |
103 | (define* (maybe-build drvs |
104 | #:key dry-run? use-substitutes?) | |
105 | "Show what will/would be built, and actually build DRVS, unless DRY-RUN? is | |
106 | true." | |
107 | (with-monad %store-monad | |
108 | (>>= (show-what-to-build* drvs | |
109 | #:dry-run? dry-run? | |
110 | #:use-substitutes? use-substitutes?) | |
111 | (lambda (_) | |
112 | (if dry-run? | |
113 | (return #f) | |
114 | (built-derivations drvs)))))) | |
115 | ||
116 | (define* (build-package package | |
117 | #:key dry-run? (use-substitutes? #t) | |
118 | #:allow-other-keys | |
119 | #:rest build-options) | |
120 | "Build PACKAGE using BUILD-OPTIONS acceptable by 'set-build-options'. | |
121 | Show what and how will/would be built." | |
a82a201a | 122 | (mlet %store-monad ((grafting? ((lift0 %graft? %store-monad)))) |
430505eb AK |
123 | (apply set-build-options* |
124 | #:use-substitutes? use-substitutes? | |
125 | (strip-keyword-arguments '(#:dry-run?) build-options)) | |
a82a201a AK |
126 | (mlet %store-monad ((derivation (package->derivation |
127 | package #:graft? (and (not dry-run?) | |
128 | grafting?)))) | |
430505eb AK |
129 | (mbegin %store-monad |
130 | (maybe-build (list derivation) | |
131 | #:use-substitutes? use-substitutes? | |
132 | #:dry-run? dry-run?) | |
133 | (return (show-derivation-outputs derivation)))))) | |
134 | ||
ad8b83bd AK |
135 | (define* (build-package-source package |
136 | #:key dry-run? (use-substitutes? #t) | |
137 | #:allow-other-keys | |
138 | #:rest build-options) | |
139 | "Build PACKAGE source using BUILD-OPTIONS." | |
140 | (mbegin %store-monad | |
141 | (apply set-build-options* | |
142 | #:use-substitutes? use-substitutes? | |
143 | (strip-keyword-arguments '(#:dry-run?) build-options)) | |
144 | (mlet %store-monad ((derivation (origin->derivation | |
145 | (package-source package)))) | |
146 | (mbegin %store-monad | |
147 | (maybe-build (list derivation) | |
148 | #:use-substitutes? use-substitutes? | |
149 | #:dry-run? dry-run?) | |
150 | (return (show-derivation-outputs derivation)))))) | |
151 | ||
7fd952e0 LC |
152 | (define %distro-age-warning |
153 | ;; The age (in seconds) above which we warn that the distro is too old. | |
154 | (make-parameter (match (and=> (getenv "GUIX_DISTRO_AGE_WARNING") | |
155 | string->duration) | |
156 | (#f (* 7 24 3600)) | |
157 | (age (time-second age))))) | |
158 | ||
159 | (define* (warn-about-old-distro #:optional (old (%distro-age-warning)) | |
160 | #:key (suggested-command | |
161 | "guix package -u")) | |
162 | "Emit a warning if Guix is older than OLD seconds." | |
55da450a LC |
163 | (define (seconds->days seconds) |
164 | (round (/ seconds (* 3600 24)))) | |
165 | ||
166 | (define age | |
167 | (match (current-profile-date) | |
168 | (#f #f) | |
169 | (date (- (time-second (current-time time-utc)) | |
170 | date)))) | |
171 | ||
172 | (when (and age (>= age old)) | |
173 | (warning (N_ "Your Guix installation is ~a day old.\n" | |
174 | "Your Guix installation is ~a days old.\n" | |
175 | (seconds->days age)) | |
176 | (seconds->days age))) | |
9e5f2060 LC |
177 | (when (and (or (not age) (>= age old)) |
178 | (not (getenv "GUIX_UNINSTALLED"))) | |
55da450a | 179 | (warning (G_ "Consider running 'guix pull' followed by |
7fd952e0 | 180 | '~a' to get up-to-date packages and security updates.\n") |
55da450a LC |
181 | suggested-command) |
182 | (newline (guix-warning-port)))) | |
7fd952e0 | 183 | |
62a14bd2 | 184 | (define %disk-space-warning |
fb7eec3a PN |
185 | ;; Return a pair of absolute threshold (number of bytes) and relative |
186 | ;; threshold (fraction between 0 and 1) for the free disk space below which | |
187 | ;; a warning is emitted. | |
188 | ;; GUIX_DISK_SPACE_WARNING can contain both thresholds. A value in [0;100) | |
189 | ;; is a relative threshold, otherwise it's absolute. The following | |
190 | ;; example values are valid: | |
191 | ;; - 1GiB;10% ;1 GiB absolute, and 10% relative. | |
192 | ;; - 15G ;15 GiB absolute, and default relative. | |
193 | ;; - 99% ;99% relative, and default absolute. | |
194 | ;; - 99 ;Same. | |
195 | ;; - 100 ;100 absolute, and default relative. | |
196 | (let* ((default-absolute-threshold (size->number "5GiB")) | |
197 | (default-relative-threshold 0.05) | |
198 | (percentage->float (lambda (percentage) | |
199 | (or (and=> (string->number | |
200 | (car (string-split percentage #\%))) | |
201 | (lambda (n) (/ n 100.0))) | |
202 | default-relative-threshold))) | |
203 | (size->number* (lambda (size) | |
204 | (or (false-if-exception (size->number size)) | |
205 | default-absolute-threshold))) | |
206 | (absolute? (lambda (size) | |
207 | (not (or (string-suffix? "%" size) | |
208 | (false-if-exception (< (size->number size) 100))))))) | |
209 | (make-parameter | |
210 | (match (getenv "GUIX_DISK_SPACE_WARNING") | |
211 | (#f (list default-absolute-threshold | |
212 | default-relative-threshold)) | |
213 | (env-string (match (string-split env-string #\;) | |
214 | ((threshold) | |
215 | (if (absolute? threshold) | |
216 | (list (size->number* threshold) | |
217 | default-relative-threshold) | |
218 | (list default-absolute-threshold | |
219 | (percentage->float threshold)))) | |
220 | ((threshold1 threshold2) | |
221 | (if (absolute? threshold1) | |
222 | (list (size->number* threshold1) | |
223 | (percentage->float threshold2)) | |
224 | (list (size->number* threshold2) | |
225 | (percentage->float threshold1)))))))))) | |
62a14bd2 LC |
226 | |
227 | (define* (warn-about-disk-space #:optional profile | |
228 | #:key | |
fb7eec3a | 229 | (thresholds (%disk-space-warning))) |
62a14bd2 | 230 | "Display a hint about 'guix gc' if less than THRESHOLD of /gnu/store is |
fb7eec3a | 231 | available. |
71c3c3df LC |
232 | THRESHOLDS is a pair (ABSOLUTE-THRESHOLD . RELATIVE-THRESHOLD)." |
233 | (define GiB (expt 2 30)) | |
234 | ||
62a14bd2 LC |
235 | (let* ((stats (statfs (%store-prefix))) |
236 | (block-size (file-system-block-size stats)) | |
237 | (available (* block-size (file-system-blocks-available stats))) | |
238 | (total (* block-size (file-system-block-count stats))) | |
fb7eec3a | 239 | (relative-threshold-in-bytes (* total (cadr thresholds))) |
71c3c3df | 240 | (absolute-threshold-in-bytes (car thresholds))) |
1d24cc6d | 241 | (when (< available (min relative-threshold-in-bytes |
fb7eec3a PN |
242 | absolute-threshold-in-bytes)) |
243 | (warning (G_ "only ~,1f GiB of free space available on ~a~%") | |
71c3c3df | 244 | (/ available 1. GiB) (%store-prefix)) |
9c074f61 | 245 | (display-hint (format #f (G_ "Consider deleting old profile |
62a14bd2 LC |
246 | generations and collecting garbage, along these lines: |
247 | ||
248 | @example | |
9c074f61 | 249 | guix gc --delete-generations=1m |
fb7eec3a | 250 | @end example\n")))))) |
62a14bd2 | 251 | |
88981dd3 | 252 | ;;; scripts.scm ends here |