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21b679f6 | 1 | ;;; GNU Guix --- Functional package management for GNU |
9ec154f5 | 2 | ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> |
bdcf0e6f | 3 | ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org> |
e8e1f295 | 4 | ;;; Copyright © 2018 Jan Nieuwenhuizen <janneke@gnu.org> |
21b679f6 LC |
5 | ;;; |
6 | ;;; This file is part of GNU Guix. | |
7 | ;;; | |
8 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
9 | ;;; under the terms of the GNU General Public License as published by | |
10 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
11 | ;;; your option) any later version. | |
12 | ;;; | |
13 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
14 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;;; GNU General Public License for more details. | |
17 | ;;; | |
18 | ;;; You should have received a copy of the GNU General Public License | |
19 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
20 | ||
21 | (define-module (guix gexp) | |
e87f0591 | 22 | #:use-module (guix store) |
21b679f6 | 23 | #:use-module (guix monads) |
e87f0591 | 24 | #:use-module (guix derivations) |
7adf9b84 | 25 | #:use-module (guix grafts) |
aa72d9af | 26 | #:use-module (guix utils) |
e8e1f295 | 27 | #:use-module (rnrs bytevectors) |
21b679f6 LC |
28 | #:use-module (srfi srfi-1) |
29 | #:use-module (srfi srfi-9) | |
7560b00b | 30 | #:use-module (srfi srfi-9 gnu) |
21b679f6 | 31 | #:use-module (srfi srfi-26) |
3e43166f LC |
32 | #:use-module (srfi srfi-34) |
33 | #:use-module (srfi srfi-35) | |
21b679f6 LC |
34 | #:use-module (ice-9 match) |
35 | #:export (gexp | |
36 | gexp? | |
0bb9929e | 37 | with-imported-modules |
838e17d8 | 38 | with-extensions |
0dbea56b LC |
39 | |
40 | gexp-input | |
41 | gexp-input? | |
2ca41030 LC |
42 | gexp-input-thing |
43 | gexp-input-output | |
44 | gexp-input-native? | |
558e8b11 | 45 | |
d9ae938f LC |
46 | local-file |
47 | local-file? | |
74d441ab | 48 | local-file-file |
9d3994f7 | 49 | local-file-absolute-file-name |
74d441ab LC |
50 | local-file-name |
51 | local-file-recursive? | |
0dbea56b | 52 | |
558e8b11 LC |
53 | plain-file |
54 | plain-file? | |
55 | plain-file-name | |
56 | plain-file-content | |
57 | ||
91937029 LC |
58 | computed-file |
59 | computed-file? | |
60 | computed-file-name | |
61 | computed-file-gexp | |
91937029 LC |
62 | computed-file-options |
63 | ||
15a01c72 LC |
64 | program-file |
65 | program-file? | |
66 | program-file-name | |
67 | program-file-gexp | |
15a01c72 | 68 | program-file-guile |
427ec19e | 69 | program-file-module-path |
15a01c72 | 70 | |
e1c153e0 LC |
71 | scheme-file |
72 | scheme-file? | |
73 | scheme-file-name | |
74 | scheme-file-gexp | |
75 | ||
a9e5e92f LC |
76 | file-append |
77 | file-append? | |
78 | file-append-base | |
79 | file-append-suffix | |
80 | ||
64fc9f65 RJ |
81 | load-path-expression |
82 | gexp-modules | |
83 | ||
2ca41030 LC |
84 | lower-gexp |
85 | lowered-gexp? | |
86 | lowered-gexp-sexp | |
87 | lowered-gexp-inputs | |
38685774 | 88 | lowered-gexp-sources |
2ca41030 LC |
89 | lowered-gexp-guile |
90 | lowered-gexp-load-path | |
91 | lowered-gexp-load-compiled-path | |
92 | ||
21b679f6 LC |
93 | gexp->derivation |
94 | gexp->file | |
462a3fa3 | 95 | gexp->script |
aa72d9af | 96 | text-file* |
b751cde3 | 97 | mixed-text-file |
dedb512f | 98 | file-union |
d298c815 | 99 | directory-union |
aa72d9af LC |
100 | imported-files |
101 | imported-modules | |
ff40e9b7 LC |
102 | compiled-modules |
103 | ||
104 | define-gexp-compiler | |
6b6298ae | 105 | gexp-compiler? |
bdcf0e6f | 106 | file-like? |
c2b84676 | 107 | lower-object |
6b6298ae | 108 | |
3e43166f LC |
109 | lower-inputs |
110 | ||
111 | &gexp-error | |
112 | gexp-error? | |
113 | &gexp-input-error | |
114 | gexp-input-error? | |
115 | gexp-error-invalid-input)) | |
21b679f6 LC |
116 | |
117 | ;;; Commentary: | |
118 | ;;; | |
119 | ;;; This module implements "G-expressions", or "gexps". Gexps are like | |
120 | ;;; S-expressions (sexps), with two differences: | |
121 | ;;; | |
122 | ;;; 1. References (un-quotations) to derivations or packages in a gexp are | |
667b2508 LC |
123 | ;;; replaced by the corresponding output file name; in addition, the |
124 | ;;; 'ungexp-native' unquote-like form allows code to explicitly refer to | |
125 | ;;; the native code of a given package, in case of cross-compilation; | |
21b679f6 LC |
126 | ;;; |
127 | ;;; 2. Gexps embed information about the derivations they refer to. | |
128 | ;;; | |
129 | ;;; Gexps make it easy to write to files Scheme code that refers to store | |
130 | ;;; items, or to write Scheme code to build derivations. | |
131 | ;;; | |
132 | ;;; Code: | |
133 | ||
134 | ;; "G expressions". | |
135 | (define-record-type <gexp> | |
838e17d8 | 136 | (make-gexp references modules extensions proc) |
21b679f6 | 137 | gexp? |
affd7761 | 138 | (references gexp-references) ;list of <gexp-input> |
0bb9929e | 139 | (modules gexp-self-modules) ;list of module names |
838e17d8 | 140 | (extensions gexp-self-extensions) ;list of lowerable things |
affd7761 | 141 | (proc gexp-proc)) ;procedure |
21b679f6 | 142 | |
7560b00b LC |
143 | (define (write-gexp gexp port) |
144 | "Write GEXP on PORT." | |
145 | (display "#<gexp " port) | |
2cf0ea0d LC |
146 | |
147 | ;; Try to write the underlying sexp. Now, this trick doesn't work when | |
148 | ;; doing things like (ungexp-splicing (gexp ())) because GEXP's procedure | |
149 | ;; tries to use 'append' on that, which fails with wrong-type-arg. | |
150 | (false-if-exception | |
667b2508 | 151 | (write (apply (gexp-proc gexp) |
affd7761 | 152 | (gexp-references gexp)) |
667b2508 | 153 | port)) |
7560b00b LC |
154 | (format port " ~a>" |
155 | (number->string (object-address gexp) 16))) | |
156 | ||
157 | (set-record-type-printer! <gexp> write-gexp) | |
158 | ||
bcb13287 LC |
159 | \f |
160 | ;;; | |
161 | ;;; Methods. | |
162 | ;;; | |
163 | ||
164 | ;; Compiler for a type of objects that may be introduced in a gexp. | |
165 | (define-record-type <gexp-compiler> | |
1cdecf24 | 166 | (gexp-compiler type lower expand) |
bcb13287 | 167 | gexp-compiler? |
1cdecf24 | 168 | (type gexp-compiler-type) ;record type descriptor |
ebdfd776 | 169 | (lower gexp-compiler-lower) |
1cdecf24 | 170 | (expand gexp-compiler-expand)) ;#f | DRV -> sexp |
bcb13287 | 171 | |
3e43166f LC |
172 | (define-condition-type &gexp-error &error |
173 | gexp-error?) | |
174 | ||
175 | (define-condition-type &gexp-input-error &gexp-error | |
176 | gexp-input-error? | |
177 | (input gexp-error-invalid-input)) | |
178 | ||
179 | ||
bcb13287 | 180 | (define %gexp-compilers |
1cdecf24 LC |
181 | ;; 'eq?' mapping of record type descriptor to <gexp-compiler>. |
182 | (make-hash-table 20)) | |
bcb13287 | 183 | |
ebdfd776 LC |
184 | (define (default-expander thing obj output) |
185 | "This is the default expander for \"things\" that appear in gexps. It | |
186 | returns its output file name of OBJ's OUTPUT." | |
187 | (match obj | |
188 | ((? derivation? drv) | |
189 | (derivation->output-path drv output)) | |
190 | ((? string? file) | |
191 | file))) | |
192 | ||
bcb13287 LC |
193 | (define (register-compiler! compiler) |
194 | "Register COMPILER as a gexp compiler." | |
1cdecf24 LC |
195 | (hashq-set! %gexp-compilers |
196 | (gexp-compiler-type compiler) compiler)) | |
bcb13287 LC |
197 | |
198 | (define (lookup-compiler object) | |
ebdfd776 | 199 | "Search for a compiler for OBJECT. Upon success, return the three argument |
bcb13287 | 200 | procedure to lower it; otherwise return #f." |
1cdecf24 LC |
201 | (and=> (hashq-ref %gexp-compilers (struct-vtable object)) |
202 | gexp-compiler-lower)) | |
bcb13287 | 203 | |
bdcf0e6f CL |
204 | (define (file-like? object) |
205 | "Return #t if OBJECT leads to a file in the store once unquoted in a | |
206 | G-expression; otherwise return #f." | |
207 | (and (struct? object) (->bool (lookup-compiler object)))) | |
208 | ||
ebdfd776 LC |
209 | (define (lookup-expander object) |
210 | "Search for an expander for OBJECT. Upon success, return the three argument | |
211 | procedure to expand it; otherwise return #f." | |
1cdecf24 LC |
212 | (and=> (hashq-ref %gexp-compilers (struct-vtable object)) |
213 | gexp-compiler-expand)) | |
ebdfd776 | 214 | |
c2b84676 LC |
215 | (define* (lower-object obj |
216 | #:optional (system (%current-system)) | |
217 | #:key target) | |
218 | "Return as a value in %STORE-MONAD the derivation or store item | |
219 | corresponding to OBJ for SYSTEM, cross-compiling for TARGET if TARGET is true. | |
220 | OBJ must be an object that has an associated gexp compiler, such as a | |
221 | <package>." | |
3e43166f LC |
222 | (match (lookup-compiler obj) |
223 | (#f | |
224 | (raise (condition (&gexp-input-error (input obj))))) | |
225 | (lower | |
c6080c32 LC |
226 | ;; Cache in STORE the result of lowering OBJ. |
227 | (mlet %store-monad ((graft? (grafting?))) | |
228 | (mcached (let ((lower (lookup-compiler obj))) | |
229 | (lower obj system target)) | |
230 | obj | |
231 | system target graft?))))) | |
c2b84676 | 232 | |
ebdfd776 LC |
233 | (define-syntax define-gexp-compiler |
234 | (syntax-rules (=> compiler expander) | |
235 | "Define NAME as a compiler for objects matching PREDICATE encountered in | |
236 | gexps. | |
237 | ||
238 | In the simplest form of the macro, BODY must return a derivation for PARAM, an | |
239 | object that matches PREDICATE, for SYSTEM and TARGET (the latter of which is | |
240 | #f except when cross-compiling.) | |
241 | ||
242 | The more elaborate form allows you to specify an expander: | |
243 | ||
244 | (define-gexp-compiler something something? | |
245 | compiler => (lambda (param system target) ...) | |
246 | expander => (lambda (param drv output) ...)) | |
247 | ||
248 | The expander specifies how an object is converted to its sexp representation." | |
1cdecf24 LC |
249 | ((_ (name (param record-type) system target) body ...) |
250 | (define-gexp-compiler name record-type | |
ebdfd776 LC |
251 | compiler => (lambda (param system target) body ...) |
252 | expander => default-expander)) | |
1cdecf24 | 253 | ((_ name record-type |
ebdfd776 LC |
254 | compiler => compile |
255 | expander => expand) | |
256 | (begin | |
257 | (define name | |
1cdecf24 | 258 | (gexp-compiler record-type compile expand)) |
ebdfd776 | 259 | (register-compiler! name))))) |
bcb13287 | 260 | |
1cdecf24 | 261 | (define-gexp-compiler (derivation-compiler (drv <derivation>) system target) |
2924f0d6 LC |
262 | ;; Derivations are the lowest-level representation, so this is the identity |
263 | ;; compiler. | |
264 | (with-monad %store-monad | |
265 | (return drv))) | |
266 | ||
bcb13287 | 267 | \f |
d9ae938f | 268 | ;;; |
558e8b11 | 269 | ;;; File declarations. |
d9ae938f LC |
270 | ;;; |
271 | ||
9d3994f7 LC |
272 | ;; A local file name. FILE is the file name the user entered, which can be a |
273 | ;; relative file name, and ABSOLUTE is a promise that computes its canonical | |
274 | ;; absolute file name. We keep it in a promise to compute it lazily and avoid | |
275 | ;; repeated 'stat' calls. | |
d9ae938f | 276 | (define-record-type <local-file> |
0687fc9c | 277 | (%%local-file file absolute name recursive? select?) |
d9ae938f LC |
278 | local-file? |
279 | (file local-file-file) ;string | |
9d3994f7 | 280 | (absolute %local-file-absolute-file-name) ;promise string |
d9ae938f | 281 | (name local-file-name) ;string |
0687fc9c LC |
282 | (recursive? local-file-recursive?) ;Boolean |
283 | (select? local-file-select?)) ;string stat -> Boolean | |
284 | ||
285 | (define (true file stat) #t) | |
d9ae938f | 286 | |
9d3994f7 | 287 | (define* (%local-file file promise #:optional (name (basename file)) |
0687fc9c | 288 | #:key recursive? (select? true)) |
9d3994f7 LC |
289 | ;; This intermediate procedure is part of our ABI, but the underlying |
290 | ;; %%LOCAL-FILE is not. | |
0687fc9c | 291 | (%%local-file file promise name recursive? select?)) |
9d3994f7 | 292 | |
9d3994f7 LC |
293 | (define (absolute-file-name file directory) |
294 | "Return the canonical absolute file name for FILE, which lives in the | |
295 | vicinity of DIRECTORY." | |
296 | (canonicalize-path | |
297 | (cond ((string-prefix? "/" file) file) | |
298 | ((not directory) file) | |
299 | ((string-prefix? "/" directory) | |
300 | (string-append directory "/" file)) | |
301 | (else file)))) | |
302 | ||
302d46e6 LC |
303 | (define-syntax local-file |
304 | (lambda (s) | |
305 | "Return an object representing local file FILE to add to the store; this | |
9d3994f7 LC |
306 | object can be used in a gexp. If FILE is a relative file name, it is looked |
307 | up relative to the source file where this form appears. FILE will be added to | |
308 | the store under NAME--by default the base name of FILE. | |
d9ae938f LC |
309 | |
310 | When RECURSIVE? is true, the contents of FILE are added recursively; if FILE | |
311 | designates a flat file and RECURSIVE? is true, its contents are added, and its | |
312 | permission bits are kept. | |
313 | ||
0687fc9c LC |
314 | When RECURSIVE? is true, call (SELECT? FILE STAT) for each directory entry, |
315 | where FILE is the entry's absolute file name and STAT is the result of | |
316 | 'lstat'; exclude entries for which SELECT? does not return true. | |
317 | ||
302d46e6 LC |
318 | This is the declarative counterpart of the 'interned-file' monadic procedure. |
319 | It is implemented as a macro to capture the current source directory where it | |
320 | appears." | |
321 | (syntax-case s () | |
322 | ((_ file rest ...) | |
323 | #'(%local-file file | |
324 | (delay (absolute-file-name file (current-source-directory))) | |
325 | rest ...)) | |
326 | ((_) | |
327 | #'(syntax-error "missing file name")) | |
328 | (id | |
329 | (identifier? #'id) | |
330 | ;; XXX: We could return #'(lambda (file . rest) ...). However, | |
331 | ;; (syntax-source #'id) is #f so (current-source-directory) would not | |
332 | ;; work. Thus, simply forbid this form. | |
333 | #'(syntax-error | |
334 | "'local-file' is a macro and cannot be used like this"))))) | |
9d3994f7 LC |
335 | |
336 | (define (local-file-absolute-file-name file) | |
337 | "Return the absolute file name for FILE, a <local-file> instance. A | |
338 | 'system-error' exception is raised if FILE could not be found." | |
339 | (force (%local-file-absolute-file-name file))) | |
d9ae938f | 340 | |
1cdecf24 | 341 | (define-gexp-compiler (local-file-compiler (file <local-file>) system target) |
d9ae938f LC |
342 | ;; "Compile" FILE by adding it to the store. |
343 | (match file | |
0687fc9c | 344 | (($ <local-file> file (= force absolute) name recursive? select?) |
9d3994f7 LC |
345 | ;; Canonicalize FILE so that if it's a symlink, it is resolved. Failing |
346 | ;; to do that, when RECURSIVE? is #t, we could end up creating a dangling | |
347 | ;; symlink in the store, and when RECURSIVE? is #f 'add-to-store' would | |
348 | ;; just throw an error, both of which are inconvenient. | |
0687fc9c LC |
349 | (interned-file absolute name |
350 | #:recursive? recursive? #:select? select?)))) | |
d9ae938f | 351 | |
558e8b11 LC |
352 | (define-record-type <plain-file> |
353 | (%plain-file name content references) | |
354 | plain-file? | |
355 | (name plain-file-name) ;string | |
e8e1f295 | 356 | (content plain-file-content) ;string or bytevector |
558e8b11 LC |
357 | (references plain-file-references)) ;list (currently unused) |
358 | ||
359 | (define (plain-file name content) | |
360 | "Return an object representing a text file called NAME with the given | |
361 | CONTENT (a string) to be added to the store. | |
362 | ||
363 | This is the declarative counterpart of 'text-file'." | |
364 | ;; XXX: For now just ignore 'references' because it's not clear how to use | |
365 | ;; them in a declarative context. | |
366 | (%plain-file name content '())) | |
367 | ||
1cdecf24 | 368 | (define-gexp-compiler (plain-file-compiler (file <plain-file>) system target) |
558e8b11 LC |
369 | ;; "Compile" FILE by adding it to the store. |
370 | (match file | |
e8e1f295 JN |
371 | (($ <plain-file> name (and (? string?) content) references) |
372 | (text-file name content references)) | |
373 | (($ <plain-file> name (and (? bytevector?) content) references) | |
374 | (binary-file name content references)))) | |
558e8b11 | 375 | |
91937029 | 376 | (define-record-type <computed-file> |
ab25eb7c | 377 | (%computed-file name gexp guile options) |
91937029 LC |
378 | computed-file? |
379 | (name computed-file-name) ;string | |
380 | (gexp computed-file-gexp) ;gexp | |
ab25eb7c | 381 | (guile computed-file-guile) ;<package> |
91937029 LC |
382 | (options computed-file-options)) ;list of arguments |
383 | ||
384 | (define* (computed-file name gexp | |
ab25eb7c | 385 | #:key guile (options '(#:local-build? #t))) |
91937029 | 386 | "Return an object representing the store item NAME, a file or directory |
a769bffb | 387 | computed by GEXP. OPTIONS is a list of additional arguments to pass |
91937029 LC |
388 | to 'gexp->derivation'. |
389 | ||
390 | This is the declarative counterpart of 'gexp->derivation'." | |
ab25eb7c | 391 | (%computed-file name gexp guile options)) |
91937029 | 392 | |
1cdecf24 | 393 | (define-gexp-compiler (computed-file-compiler (file <computed-file>) |
91937029 LC |
394 | system target) |
395 | ;; Compile FILE by returning a derivation whose build expression is its | |
396 | ;; gexp. | |
397 | (match file | |
ab25eb7c LC |
398 | (($ <computed-file> name gexp guile options) |
399 | (if guile | |
400 | (mlet %store-monad ((guile (lower-object guile system | |
401 | #:target target))) | |
402 | (apply gexp->derivation name gexp #:guile-for-build guile | |
9ec154f5 LC |
403 | #:system system #:target target options)) |
404 | (apply gexp->derivation name gexp | |
405 | #:system system #:target target options))))) | |
91937029 | 406 | |
15a01c72 | 407 | (define-record-type <program-file> |
427ec19e | 408 | (%program-file name gexp guile path) |
15a01c72 LC |
409 | program-file? |
410 | (name program-file-name) ;string | |
411 | (gexp program-file-gexp) ;gexp | |
427ec19e LC |
412 | (guile program-file-guile) ;package |
413 | (path program-file-module-path)) ;list of strings | |
15a01c72 | 414 | |
427ec19e | 415 | (define* (program-file name gexp #:key (guile #f) (module-path %load-path)) |
15a01c72 | 416 | "Return an object representing the executable store item NAME that runs |
427ec19e LC |
417 | GEXP. GUILE is the Guile package used to execute that script. Imported |
418 | modules of GEXP are looked up in MODULE-PATH. | |
15a01c72 LC |
419 | |
420 | This is the declarative counterpart of 'gexp->script'." | |
427ec19e | 421 | (%program-file name gexp guile module-path)) |
15a01c72 | 422 | |
1cdecf24 | 423 | (define-gexp-compiler (program-file-compiler (file <program-file>) |
15a01c72 LC |
424 | system target) |
425 | ;; Compile FILE by returning a derivation that builds the script. | |
426 | (match file | |
427ec19e | 427 | (($ <program-file> name gexp guile module-path) |
15a01c72 | 428 | (gexp->script name gexp |
427ec19e | 429 | #:module-path module-path |
2e8cabb8 LC |
430 | #:guile (or guile (default-guile)) |
431 | #:system system | |
432 | #:target target)))) | |
15a01c72 | 433 | |
e1c153e0 | 434 | (define-record-type <scheme-file> |
4fbd1a2b | 435 | (%scheme-file name gexp splice?) |
e1c153e0 LC |
436 | scheme-file? |
437 | (name scheme-file-name) ;string | |
4fbd1a2b LC |
438 | (gexp scheme-file-gexp) ;gexp |
439 | (splice? scheme-file-splice?)) ;Boolean | |
e1c153e0 | 440 | |
4fbd1a2b | 441 | (define* (scheme-file name gexp #:key splice?) |
e1c153e0 LC |
442 | "Return an object representing the Scheme file NAME that contains GEXP. |
443 | ||
444 | This is the declarative counterpart of 'gexp->file'." | |
4fbd1a2b | 445 | (%scheme-file name gexp splice?)) |
e1c153e0 | 446 | |
1cdecf24 | 447 | (define-gexp-compiler (scheme-file-compiler (file <scheme-file>) |
e1c153e0 LC |
448 | system target) |
449 | ;; Compile FILE by returning a derivation that builds the file. | |
450 | (match file | |
4fbd1a2b LC |
451 | (($ <scheme-file> name gexp splice?) |
452 | (gexp->file name gexp #:splice? splice?)))) | |
e1c153e0 | 453 | |
a9e5e92f LC |
454 | ;; Appending SUFFIX to BASE's output file name. |
455 | (define-record-type <file-append> | |
456 | (%file-append base suffix) | |
457 | file-append? | |
458 | (base file-append-base) ;<package> | <derivation> | ... | |
459 | (suffix file-append-suffix)) ;list of strings | |
460 | ||
39d7fdce LC |
461 | (define (write-file-append file port) |
462 | (match file | |
463 | (($ <file-append> base suffix) | |
464 | (format port "#<file-append ~s ~s>" base | |
465 | (string-join suffix))))) | |
466 | ||
467 | (set-record-type-printer! <file-append> write-file-append) | |
468 | ||
a9e5e92f LC |
469 | (define (file-append base . suffix) |
470 | "Return a <file-append> object that expands to the concatenation of BASE and | |
471 | SUFFIX." | |
472 | (%file-append base suffix)) | |
473 | ||
1cdecf24 | 474 | (define-gexp-compiler file-append-compiler <file-append> |
a9e5e92f LC |
475 | compiler => (lambda (obj system target) |
476 | (match obj | |
477 | (($ <file-append> base _) | |
478 | (lower-object base system #:target target)))) | |
479 | expander => (lambda (obj lowered output) | |
480 | (match obj | |
481 | (($ <file-append> base suffix) | |
482 | (let* ((expand (lookup-expander base)) | |
483 | (base (expand base lowered output))) | |
484 | (string-append base (string-concatenate suffix))))))) | |
485 | ||
d9ae938f | 486 | \f |
bcb13287 LC |
487 | ;;; |
488 | ;;; Inputs & outputs. | |
489 | ;;; | |
490 | ||
e39d1461 LC |
491 | ;; The input of a gexp. |
492 | (define-record-type <gexp-input> | |
0dbea56b | 493 | (%gexp-input thing output native?) |
e39d1461 LC |
494 | gexp-input? |
495 | (thing gexp-input-thing) ;<package> | <origin> | <derivation> | ... | |
496 | (output gexp-input-output) ;string | |
497 | (native? gexp-input-native?)) ;Boolean | |
498 | ||
f7328634 LC |
499 | (define (write-gexp-input input port) |
500 | (match input | |
501 | (($ <gexp-input> thing output #f) | |
502 | (format port "#<gexp-input ~s:~a>" thing output)) | |
503 | (($ <gexp-input> thing output #t) | |
504 | (format port "#<gexp-input native ~s:~a>" thing output)))) | |
505 | ||
506 | (set-record-type-printer! <gexp-input> write-gexp-input) | |
507 | ||
0dbea56b LC |
508 | (define* (gexp-input thing ;convenience procedure |
509 | #:optional (output "out") | |
510 | #:key native?) | |
511 | "Return a new <gexp-input> for the OUTPUT of THING; NATIVE? determines | |
512 | whether this should be considered a \"native\" input or not." | |
513 | (%gexp-input thing output native?)) | |
514 | ||
21b679f6 LC |
515 | ;; Reference to one of the derivation's outputs, for gexps used in |
516 | ;; derivations. | |
1e87da58 LC |
517 | (define-record-type <gexp-output> |
518 | (gexp-output name) | |
519 | gexp-output? | |
520 | (name gexp-output-name)) | |
21b679f6 | 521 | |
f7328634 LC |
522 | (define (write-gexp-output output port) |
523 | (match output | |
524 | (($ <gexp-output> name) | |
525 | (format port "#<gexp-output ~a>" name)))) | |
526 | ||
527 | (set-record-type-printer! <gexp-output> write-gexp-output) | |
528 | ||
932d1600 | 529 | (define* (gexp-attribute gexp self-attribute #:optional (equal? equal?)) |
838e17d8 | 530 | "Recurse on GEXP and the expressions it refers to, summing the items |
932d1600 LC |
531 | returned by SELF-ATTRIBUTE, a procedure that takes a gexp. Use EQUAL? as the |
532 | second argument to 'delete-duplicates'." | |
2363bdd7 LC |
533 | (if (gexp? gexp) |
534 | (delete-duplicates | |
838e17d8 | 535 | (append (self-attribute gexp) |
2363bdd7 LC |
536 | (append-map (match-lambda |
537 | (($ <gexp-input> (? gexp? exp)) | |
838e17d8 | 538 | (gexp-attribute exp self-attribute)) |
2363bdd7 LC |
539 | (($ <gexp-input> (lst ...)) |
540 | (append-map (lambda (item) | |
541 | (if (gexp? item) | |
838e17d8 LC |
542 | (gexp-attribute item |
543 | self-attribute) | |
2363bdd7 LC |
544 | '())) |
545 | lst)) | |
546 | (_ | |
547 | '())) | |
932d1600 LC |
548 | (gexp-references gexp))) |
549 | equal?) | |
2363bdd7 | 550 | '())) ;plain Scheme data type |
0bb9929e | 551 | |
838e17d8 LC |
552 | (define (gexp-modules gexp) |
553 | "Return the list of Guile module names GEXP relies on. If (gexp? GEXP) is | |
554 | false, meaning that GEXP is a plain Scheme object, return the empty list." | |
932d1600 LC |
555 | (define (module=? m1 m2) |
556 | ;; Return #t when M1 equals M2. Special-case '=>' specs because their | |
557 | ;; right-hand side may not be comparable with 'equal?': it's typically a | |
558 | ;; file-like object that embeds a gexp, which in turn embeds closure; | |
559 | ;; those closures may be 'eq?' when running compiled code but are unlikely | |
560 | ;; to be 'eq?' when running on 'eval'. Ignore the right-hand side to | |
561 | ;; avoid this discrepancy. | |
562 | (match m1 | |
563 | (((name1 ...) '=> _) | |
564 | (match m2 | |
565 | (((name2 ...) '=> _) (equal? name1 name2)) | |
566 | (_ #f))) | |
567 | (_ | |
568 | (equal? m1 m2)))) | |
569 | ||
570 | (gexp-attribute gexp gexp-self-modules module=?)) | |
838e17d8 LC |
571 | |
572 | (define (gexp-extensions gexp) | |
573 | "Return the list of Guile extensions (packages) GEXP relies on. If (gexp? | |
574 | GEXP) is false, meaning that GEXP is a plain Scheme object, return the empty | |
575 | list." | |
576 | (gexp-attribute gexp gexp-self-extensions)) | |
577 | ||
68a61e9f LC |
578 | (define* (lower-inputs inputs |
579 | #:key system target) | |
38685774 LC |
580 | "Turn any object from INPUTS into a derivation input for SYSTEM or a store |
581 | item (a \"source\"); return the corresponding input list as a monadic value. | |
582 | When TARGET is true, use it as the cross-compilation target triplet." | |
2ca41030 LC |
583 | (define (store-item? obj) |
584 | (and (string? obj) (store-path? obj))) | |
585 | ||
21b679f6 | 586 | (with-monad %store-monad |
b334674f LC |
587 | (mapm %store-monad |
588 | (match-lambda | |
589 | (((? struct? thing) sub-drv ...) | |
38685774 | 590 | (mlet %store-monad ((obj (lower-object |
b334674f | 591 | thing system #:target target))) |
38685774 LC |
592 | (return (match obj |
593 | ((? derivation? drv) | |
594 | (let ((outputs (if (null? sub-drv) | |
595 | '("out") | |
596 | sub-drv))) | |
597 | (derivation-input drv outputs))) | |
598 | ((? store-item? item) | |
599 | item))))) | |
2ca41030 | 600 | (((? store-item? item)) |
38685774 | 601 | (return item))) |
b334674f | 602 | inputs))) |
21b679f6 | 603 | |
b53833b2 LC |
604 | (define* (lower-reference-graphs graphs #:key system target) |
605 | "Given GRAPHS, a list of (FILE-NAME INPUT ...) lists for use as a | |
606 | #:reference-graphs argument, lower it such that each INPUT is replaced by the | |
38685774 | 607 | corresponding <derivation-input> or store item." |
b53833b2 LC |
608 | (match graphs |
609 | (((file-names . inputs) ...) | |
610 | (mlet %store-monad ((inputs (lower-inputs inputs | |
611 | #:system system | |
612 | #:target target))) | |
38685774 | 613 | (return (map cons file-names inputs)))))) |
b53833b2 | 614 | |
c8351d9a LC |
615 | (define* (lower-references lst #:key system target) |
616 | "Based on LST, a list of output names and packages, return a list of output | |
617 | names and file names suitable for the #:allowed-references argument to | |
618 | 'derivation'." | |
c8351d9a LC |
619 | (with-monad %store-monad |
620 | (define lower | |
621 | (match-lambda | |
622 | ((? string? output) | |
623 | (return output)) | |
accb682c | 624 | (($ <gexp-input> thing output native?) |
c2b84676 LC |
625 | (mlet %store-monad ((drv (lower-object thing system |
626 | #:target (if native? | |
627 | #f target)))) | |
accb682c | 628 | (return (derivation->output-path drv output)))) |
bcb13287 | 629 | (thing |
c2b84676 LC |
630 | (mlet %store-monad ((drv (lower-object thing system |
631 | #:target target))) | |
c8351d9a LC |
632 | (return (derivation->output-path drv)))))) |
633 | ||
b334674f | 634 | (mapm %store-monad lower lst))) |
c8351d9a | 635 | |
ff40e9b7 LC |
636 | (define default-guile-derivation |
637 | ;; Here we break the abstraction by talking to the higher-level layer. | |
638 | ;; Thus, do the resolution lazily to hide the circular dependency. | |
639 | (let ((proc (delay | |
640 | (let ((iface (resolve-interface '(guix packages)))) | |
641 | (module-ref iface 'default-guile-derivation))))) | |
642 | (lambda (system) | |
643 | ((force proc) system)))) | |
644 | ||
2ca41030 | 645 | ;; Representation of a gexp instantiated for a given target and system. |
38685774 | 646 | ;; It's an intermediate representation between <gexp> and <derivation>. |
2ca41030 | 647 | (define-record-type <lowered-gexp> |
38685774 | 648 | (lowered-gexp sexp inputs sources guile load-path load-compiled-path) |
2ca41030 LC |
649 | lowered-gexp? |
650 | (sexp lowered-gexp-sexp) ;sexp | |
38685774 LC |
651 | (inputs lowered-gexp-inputs) ;list of <derivation-input> |
652 | (sources lowered-gexp-sources) ;list of store items | |
b9373e26 | 653 | (guile lowered-gexp-guile) ;<derivation-input> | #f |
2ca41030 LC |
654 | (load-path lowered-gexp-load-path) ;list of store items |
655 | (load-compiled-path lowered-gexp-load-compiled-path)) ;list of store items | |
656 | ||
657 | (define* (lower-gexp exp | |
658 | #:key | |
659 | (module-path %load-path) | |
660 | (system (%current-system)) | |
661 | (target 'current) | |
662 | (graft? (%graft?)) | |
663 | (guile-for-build (%guile-for-build)) | |
664 | (effective-version "2.2") | |
665 | ||
666 | deprecation-warnings | |
667 | (pre-load-modules? #t)) ;transitional | |
668 | "*Note: This API is subject to change; use at your own risk!* | |
669 | ||
670 | Lower EXP, a gexp, instantiating it for SYSTEM and TARGET. Return a | |
671 | <lowered-gexp> ready to be used. | |
672 | ||
673 | Lowered gexps are an intermediate representation that's useful for | |
674 | applications that deal with gexps outside in a way that is disconnected from | |
675 | derivations--e.g., code evaluated for its side effects." | |
676 | (define %modules | |
677 | (delete-duplicates (gexp-modules exp))) | |
678 | ||
679 | (define (search-path modules extensions suffix) | |
680 | (append (match modules | |
681 | ((? derivation? drv) | |
682 | (list (derivation->output-path drv))) | |
683 | (#f | |
684 | '()) | |
685 | ((? store-path? item) | |
686 | (list item))) | |
687 | (map (lambda (extension) | |
688 | (string-append (match extension | |
689 | ((? derivation? drv) | |
690 | (derivation->output-path drv)) | |
691 | ((? store-path? item) | |
692 | item)) | |
693 | suffix)) | |
694 | extensions))) | |
695 | ||
696 | (mlet* %store-monad ( ;; The following binding forces '%current-system' and | |
697 | ;; '%current-target-system' to be looked up at >>= | |
698 | ;; time. | |
699 | (graft? (set-grafting graft?)) | |
700 | ||
701 | (system -> (or system (%current-system))) | |
702 | (target -> (if (eq? target 'current) | |
703 | (%current-target-system) | |
704 | target)) | |
705 | (guile (if guile-for-build | |
706 | (return guile-for-build) | |
707 | (default-guile-derivation system))) | |
708 | (normals (lower-inputs (gexp-inputs exp) | |
709 | #:system system | |
710 | #:target target)) | |
711 | (natives (lower-inputs (gexp-native-inputs exp) | |
712 | #:system system | |
713 | #:target #f)) | |
714 | (inputs -> (append normals natives)) | |
715 | (sexp (gexp->sexp exp | |
716 | #:system system | |
717 | #:target target)) | |
718 | (extensions -> (gexp-extensions exp)) | |
719 | (exts (mapm %store-monad | |
720 | (lambda (obj) | |
721 | (lower-object obj system)) | |
722 | extensions)) | |
723 | (modules (if (pair? %modules) | |
724 | (imported-modules %modules | |
725 | #:system system | |
726 | #:module-path module-path) | |
727 | (return #f))) | |
728 | (compiled (if (pair? %modules) | |
729 | (compiled-modules %modules | |
730 | #:system system | |
731 | #:module-path module-path | |
732 | #:extensions extensions | |
733 | #:guile guile | |
734 | #:pre-load-modules? | |
735 | pre-load-modules? | |
736 | #:deprecation-warnings | |
737 | deprecation-warnings) | |
738 | (return #f)))) | |
739 | (define load-path | |
740 | (search-path modules exts | |
741 | (string-append "/share/guile/site/" effective-version))) | |
742 | ||
743 | (define load-compiled-path | |
744 | (search-path compiled exts | |
745 | (string-append "/lib/guile/" effective-version | |
746 | "/site-ccache"))) | |
747 | ||
748 | (mbegin %store-monad | |
749 | (set-grafting graft?) ;restore the initial setting | |
750 | (return (lowered-gexp sexp | |
38685774 LC |
751 | `(,@(if (derivation? modules) |
752 | (list (derivation-input modules)) | |
2ca41030 LC |
753 | '()) |
754 | ,@(if compiled | |
38685774 | 755 | (list (derivation-input compiled)) |
2ca41030 | 756 | '()) |
38685774 LC |
757 | ,@(map derivation-input exts) |
758 | ,@(filter derivation-input? inputs)) | |
759 | (filter string? (cons modules inputs)) | |
b9373e26 | 760 | (derivation-input guile '("out")) |
2ca41030 LC |
761 | load-path |
762 | load-compiled-path))))) | |
763 | ||
21b679f6 LC |
764 | (define* (gexp->derivation name exp |
765 | #:key | |
68a61e9f | 766 | system (target 'current) |
21b679f6 LC |
767 | hash hash-algo recursive? |
768 | (env-vars '()) | |
769 | (modules '()) | |
4684f301 | 770 | (module-path %load-path) |
21b679f6 | 771 | (guile-for-build (%guile-for-build)) |
838e17d8 | 772 | (effective-version "2.2") |
ce45eb4c | 773 | (graft? (%graft?)) |
21b679f6 | 774 | references-graphs |
3f4ecf32 | 775 | allowed-references disallowed-references |
c0468155 | 776 | leaked-env-vars |
0309e1b0 | 777 | local-build? (substitutable? #t) |
8856f409 | 778 | (properties '()) |
8df2eca6 | 779 | |
a31174e8 LC |
780 | ;; TODO: This parameter is transitional; it's here |
781 | ;; to avoid a full rebuild. Remove it on the next | |
782 | ;; rebuild cycle. | |
783 | (pre-load-modules? #t) | |
784 | ||
a912c723 | 785 | deprecation-warnings |
0309e1b0 | 786 | (script-name (string-append name "-builder"))) |
21b679f6 | 787 | "Return a derivation NAME that runs EXP (a gexp) with GUILE-FOR-BUILD (a |
0309e1b0 LC |
788 | derivation) on SYSTEM; EXP is stored in a file called SCRIPT-NAME. When |
789 | TARGET is true, it is used as the cross-compilation target triplet for | |
790 | packages referred to by EXP. | |
21b679f6 | 791 | |
0bb9929e LC |
792 | MODULES is deprecated in favor of 'with-imported-modules'. Its meaning is to |
793 | make MODULES available in the evaluation context of EXP; MODULES is a list of | |
4684f301 | 794 | names of Guile modules searched in MODULE-PATH to be copied in the store, |
21b679f6 LC |
795 | compiled, and made available in the load path during the execution of |
796 | EXP---e.g., '((guix build utils) (guix build gnu-build-system)). | |
797 | ||
838e17d8 LC |
798 | EFFECTIVE-VERSION determines the string to use when adding extensions of |
799 | EXP (see 'with-extensions') to the search path---e.g., \"2.2\". | |
800 | ||
ce45eb4c LC |
801 | GRAFT? determines whether packages referred to by EXP should be grafted when |
802 | applicable. | |
803 | ||
b53833b2 LC |
804 | When REFERENCES-GRAPHS is true, it must be a list of tuples of one of the |
805 | following forms: | |
806 | ||
807 | (FILE-NAME PACKAGE) | |
808 | (FILE-NAME PACKAGE OUTPUT) | |
809 | (FILE-NAME DERIVATION) | |
810 | (FILE-NAME DERIVATION OUTPUT) | |
811 | (FILE-NAME STORE-ITEM) | |
812 | ||
813 | The right-hand-side of each element of REFERENCES-GRAPHS is automatically made | |
814 | an input of the build process of EXP. In the build environment, each | |
815 | FILE-NAME contains the reference graph of the corresponding item, in a simple | |
816 | text format. | |
817 | ||
c8351d9a LC |
818 | ALLOWED-REFERENCES must be either #f or a list of output names and packages. |
819 | In the latter case, the list denotes store items that the result is allowed to | |
820 | refer to. Any reference to another store item will lead to a build error. | |
3f4ecf32 LC |
821 | Similarly for DISALLOWED-REFERENCES, which can list items that must not be |
822 | referenced by the outputs. | |
b53833b2 | 823 | |
a912c723 LC |
824 | DEPRECATION-WARNINGS determines whether to show deprecation warnings while |
825 | compiling modules. It can be #f, #t, or 'detailed. | |
826 | ||
21b679f6 | 827 | The other arguments are as for 'derivation'." |
21b679f6 | 828 | (define outputs (gexp-outputs exp)) |
2ca41030 | 829 | (define requested-graft? graft?) |
21b679f6 | 830 | |
b53833b2 LC |
831 | (define (graphs-file-names graphs) |
832 | ;; Return a list of (FILE-NAME . STORE-PATH) pairs made from GRAPHS. | |
833 | (map (match-lambda | |
38685774 LC |
834 | ((file-name . (? derivation-input? input)) |
835 | (cons file-name (first (derivation-input-output-paths input)))) | |
836 | ((file-name . (? string? item)) | |
837 | (cons file-name item))) | |
b53833b2 LC |
838 | graphs)) |
839 | ||
2ca41030 LC |
840 | (define (add-modules exp modules) |
841 | (if (null? modules) | |
842 | exp | |
843 | (make-gexp (gexp-references exp) | |
844 | (append modules (gexp-self-modules exp)) | |
845 | (gexp-self-extensions exp) | |
846 | (gexp-proc exp)))) | |
838e17d8 LC |
847 | |
848 | (mlet* %store-monad ( ;; The following binding forces '%current-system' and | |
ce45eb4c LC |
849 | ;; '%current-target-system' to be looked up at >>= |
850 | ;; time. | |
851 | (graft? (set-grafting graft?)) | |
68a61e9f | 852 | |
5d098459 | 853 | (system -> (or system (%current-system))) |
68a61e9f LC |
854 | (target -> (if (eq? target 'current) |
855 | (%current-target-system) | |
856 | target)) | |
2ca41030 LC |
857 | (exp -> (add-modules exp modules)) |
858 | (lowered (lower-gexp exp | |
859 | #:module-path module-path | |
860 | #:system system | |
861 | #:target target | |
862 | #:graft? requested-graft? | |
863 | #:guile-for-build | |
864 | guile-for-build | |
865 | #:effective-version | |
866 | effective-version | |
867 | #:deprecation-warnings | |
868 | deprecation-warnings | |
869 | #:pre-load-modules? | |
870 | pre-load-modules?)) | |
871 | ||
b53833b2 LC |
872 | (graphs (if references-graphs |
873 | (lower-reference-graphs references-graphs | |
874 | #:system system | |
875 | #:target target) | |
876 | (return #f))) | |
c8351d9a LC |
877 | (allowed (if allowed-references |
878 | (lower-references allowed-references | |
879 | #:system system | |
880 | #:target target) | |
881 | (return #f))) | |
3f4ecf32 LC |
882 | (disallowed (if disallowed-references |
883 | (lower-references disallowed-references | |
884 | #:system system | |
885 | #:target target) | |
886 | (return #f))) | |
2ca41030 LC |
887 | (guile -> (lowered-gexp-guile lowered)) |
888 | (builder (text-file script-name | |
889 | (object->string | |
890 | (lowered-gexp-sexp lowered))))) | |
ce45eb4c LC |
891 | (mbegin %store-monad |
892 | (set-grafting graft?) ;restore the initial setting | |
893 | (raw-derivation name | |
b9373e26 | 894 | (string-append (derivation-input-output-path guile) |
ce45eb4c LC |
895 | "/bin/guile") |
896 | `("--no-auto-compile" | |
2ca41030 LC |
897 | ,@(append-map (lambda (directory) |
898 | `("-L" ,directory)) | |
899 | (lowered-gexp-load-path lowered)) | |
900 | ,@(append-map (lambda (directory) | |
901 | `("-C" ,directory)) | |
902 | (lowered-gexp-load-compiled-path lowered)) | |
ce45eb4c LC |
903 | ,builder) |
904 | #:outputs outputs | |
905 | #:env-vars env-vars | |
906 | #:system system | |
b9373e26 | 907 | #:inputs `(,guile |
38685774 | 908 | ,@(lowered-gexp-inputs lowered) |
ce45eb4c | 909 | ,@(match graphs |
38685774 LC |
910 | (((_ . inputs) ...) |
911 | (filter derivation-input? inputs)) | |
912 | (#f '()))) | |
913 | #:sources `(,builder | |
914 | ,@(if (and (string? modules) | |
915 | (store-path? modules)) | |
916 | (list modules) | |
917 | '()) | |
918 | ,@(lowered-gexp-sources lowered) | |
919 | ,@(match graphs | |
920 | (((_ . inputs) ...) | |
921 | (filter string? inputs)) | |
922 | (#f '()))) | |
923 | ||
ce45eb4c LC |
924 | #:hash hash #:hash-algo hash-algo #:recursive? recursive? |
925 | #:references-graphs (and=> graphs graphs-file-names) | |
926 | #:allowed-references allowed | |
3f4ecf32 | 927 | #:disallowed-references disallowed |
c0468155 | 928 | #:leaked-env-vars leaked-env-vars |
4a6aeb67 | 929 | #:local-build? local-build? |
8856f409 LC |
930 | #:substitutable? substitutable? |
931 | #:properties properties)))) | |
21b679f6 | 932 | |
1123759b LC |
933 | (define* (gexp-inputs exp #:key native?) |
934 | "Return the input list for EXP. When NATIVE? is true, return only native | |
935 | references; otherwise, return only non-native references." | |
2ca41030 | 936 | ;; TODO: Return <gexp-input> records instead of tuples. |
21b679f6 LC |
937 | (define (add-reference-inputs ref result) |
938 | (match ref | |
1123759b LC |
939 | (($ <gexp-input> (? gexp? exp) _ #t) |
940 | (if native? | |
941 | (append (gexp-inputs exp) | |
942 | (gexp-inputs exp #:native? #t) | |
943 | result) | |
944 | result)) | |
945 | (($ <gexp-input> (? gexp? exp) _ #f) | |
d343a60f LC |
946 | (append (gexp-inputs exp #:native? native?) |
947 | result)) | |
e39d1461 LC |
948 | (($ <gexp-input> (? string? str)) |
949 | (if (direct-store-path? str) | |
950 | (cons `(,str) result) | |
21b679f6 | 951 | result)) |
5b14a790 LC |
952 | (($ <gexp-input> (? struct? thing) output n?) |
953 | (if (and (eqv? n? native?) (lookup-compiler thing)) | |
bcb13287 LC |
954 | ;; THING is a derivation, or a package, or an origin, etc. |
955 | (cons `(,thing ,output) result) | |
956 | result)) | |
1123759b | 957 | (($ <gexp-input> (lst ...) output n?) |
578dfbe0 LC |
958 | (fold-right add-reference-inputs result |
959 | ;; XXX: For now, automatically convert LST to a list of | |
960 | ;; gexp-inputs. Inherit N?. | |
961 | (map (match-lambda | |
962 | ((? gexp-input? x) | |
963 | (%gexp-input (gexp-input-thing x) | |
964 | (gexp-input-output x) | |
965 | n?)) | |
966 | (x | |
967 | (%gexp-input x "out" n?))) | |
968 | lst))) | |
21b679f6 LC |
969 | (_ |
970 | ;; Ignore references to other kinds of objects. | |
971 | result))) | |
972 | ||
973 | (fold-right add-reference-inputs | |
974 | '() | |
5b14a790 | 975 | (gexp-references exp))) |
667b2508 LC |
976 | |
977 | (define gexp-native-inputs | |
1123759b | 978 | (cut gexp-inputs <> #:native? #t)) |
21b679f6 LC |
979 | |
980 | (define (gexp-outputs exp) | |
981 | "Return the outputs referred to by EXP as a list of strings." | |
982 | (define (add-reference-output ref result) | |
983 | (match ref | |
1e87da58 | 984 | (($ <gexp-output> name) |
21b679f6 | 985 | (cons name result)) |
e39d1461 | 986 | (($ <gexp-input> (? gexp? exp)) |
21b679f6 | 987 | (append (gexp-outputs exp) result)) |
e39d1461 LC |
988 | (($ <gexp-input> (lst ...) output native?) |
989 | ;; XXX: Automatically convert LST. | |
0dbea56b LC |
990 | (add-reference-output (map (match-lambda |
991 | ((? gexp-input? x) x) | |
992 | (x (%gexp-input x "out" native?))) | |
993 | lst) | |
e39d1461 | 994 | result)) |
f9efe568 LC |
995 | ((lst ...) |
996 | (fold-right add-reference-output result lst)) | |
21b679f6 LC |
997 | (_ |
998 | result))) | |
999 | ||
7e75a673 LC |
1000 | (delete-duplicates |
1001 | (add-reference-output (gexp-references exp) '()))) | |
21b679f6 | 1002 | |
68a61e9f LC |
1003 | (define* (gexp->sexp exp #:key |
1004 | (system (%current-system)) | |
1005 | (target (%current-target-system))) | |
21b679f6 LC |
1006 | "Return (monadically) the sexp corresponding to EXP for the given OUTPUT, |
1007 | and in the current monad setting (system type, etc.)" | |
24ab804c LC |
1008 | (define (self-quoting? x) |
1009 | (letrec-syntax ((one-of (syntax-rules () | |
1010 | ((_) #f) | |
1011 | ((_ pred rest ...) | |
1012 | (or (pred x) | |
1013 | (one-of rest ...)))))) | |
1014 | (one-of symbol? string? keyword? pair? null? array? | |
1015 | number? boolean?))) | |
1016 | ||
667b2508 | 1017 | (define* (reference->sexp ref #:optional native?) |
21b679f6 LC |
1018 | (with-monad %store-monad |
1019 | (match ref | |
1e87da58 | 1020 | (($ <gexp-output> output) |
bfd9eed9 LC |
1021 | ;; Output file names are not known in advance but the daemon defines |
1022 | ;; an environment variable for each of them at build time, so use | |
1023 | ;; that trick. | |
1024 | (return `((@ (guile) getenv) ,output))) | |
e39d1461 | 1025 | (($ <gexp-input> (? gexp? exp) output n?) |
667b2508 LC |
1026 | (gexp->sexp exp |
1027 | #:system system | |
e39d1461 LC |
1028 | #:target (if (or n? native?) #f target))) |
1029 | (($ <gexp-input> (refs ...) output n?) | |
b334674f LC |
1030 | (mapm %store-monad |
1031 | (lambda (ref) | |
1032 | ;; XXX: Automatically convert REF to an gexp-input. | |
1033 | (reference->sexp | |
1034 | (if (gexp-input? ref) | |
1035 | ref | |
1036 | (%gexp-input ref "out" n?)) | |
1037 | (or n? native?))) | |
1038 | refs)) | |
bcb13287 | 1039 | (($ <gexp-input> (? struct? thing) output n?) |
ebdfd776 LC |
1040 | (let ((target (if (or n? native?) #f target)) |
1041 | (expand (lookup-expander thing))) | |
c2b84676 LC |
1042 | (mlet %store-monad ((obj (lower-object thing system |
1043 | #:target target))) | |
d9ae938f | 1044 | ;; OBJ must be either a derivation or a store file name. |
ebdfd776 | 1045 | (return (expand thing obj output))))) |
24ab804c | 1046 | (($ <gexp-input> (? self-quoting? x)) |
e39d1461 | 1047 | (return x)) |
24ab804c LC |
1048 | (($ <gexp-input> x) |
1049 | (raise (condition (&gexp-input-error (input x))))) | |
21b679f6 LC |
1050 | (x |
1051 | (return x))))) | |
1052 | ||
1053 | (mlet %store-monad | |
b334674f LC |
1054 | ((args (mapm %store-monad |
1055 | reference->sexp (gexp-references exp)))) | |
21b679f6 LC |
1056 | (return (apply (gexp-proc exp) args)))) |
1057 | ||
8245bb74 LC |
1058 | (define-syntax-rule (define-syntax-parameter-once name proc) |
1059 | ;; Like 'define-syntax-parameter' but ensure the top-level binding for NAME | |
1060 | ;; does not get redefined. This works around a race condition in a | |
1061 | ;; multi-threaded context with Guile <= 2.2.4: <https://bugs.gnu.org/27476>. | |
1062 | (eval-when (load eval expand compile) | |
1063 | (define name | |
1064 | (if (module-locally-bound? (current-module) 'name) | |
1065 | (module-ref (current-module) 'name) | |
1066 | (make-syntax-transformer 'name 'syntax-parameter | |
1067 | (list proc)))))) | |
1068 | ||
1069 | (define-syntax-parameter-once current-imported-modules | |
0bb9929e LC |
1070 | ;; Current list of imported modules. |
1071 | (identifier-syntax '())) | |
1072 | ||
1073 | (define-syntax-rule (with-imported-modules modules body ...) | |
1074 | "Mark the gexps defined in BODY... as requiring MODULES in their execution | |
1075 | environment." | |
1076 | (syntax-parameterize ((current-imported-modules | |
1077 | (identifier-syntax modules))) | |
1078 | body ...)) | |
1079 | ||
8245bb74 | 1080 | (define-syntax-parameter-once current-imported-extensions |
838e17d8 LC |
1081 | ;; Current list of extensions. |
1082 | (identifier-syntax '())) | |
1083 | ||
1084 | (define-syntax-rule (with-extensions extensions body ...) | |
1085 | "Mark the gexps defined in BODY... as requiring EXTENSIONS in their | |
1086 | execution environment." | |
1087 | (syntax-parameterize ((current-imported-extensions | |
1088 | (identifier-syntax extensions))) | |
1089 | body ...)) | |
1090 | ||
21b679f6 LC |
1091 | (define-syntax gexp |
1092 | (lambda (s) | |
1093 | (define (collect-escapes exp) | |
1094 | ;; Return all the 'ungexp' present in EXP. | |
1095 | (let loop ((exp exp) | |
1096 | (result '())) | |
607e1b51 LC |
1097 | (syntax-case exp (ungexp |
1098 | ungexp-splicing | |
1099 | ungexp-native | |
1100 | ungexp-native-splicing) | |
21b679f6 LC |
1101 | ((ungexp _) |
1102 | (cons exp result)) | |
1103 | ((ungexp _ _) | |
1104 | (cons exp result)) | |
1105 | ((ungexp-splicing _ ...) | |
1106 | (cons exp result)) | |
607e1b51 | 1107 | ((ungexp-native _ ...) |
667b2508 LC |
1108 | (cons exp result)) |
1109 | ((ungexp-native-splicing _ ...) | |
1110 | (cons exp result)) | |
5e2e4a51 | 1111 | ((exp0 . exp) |
667b2508 | 1112 | (let ((result (loop #'exp0 result))) |
5e2e4a51 | 1113 | (loop #'exp result))) |
667b2508 LC |
1114 | (_ |
1115 | result)))) | |
1116 | ||
21b679f6 LC |
1117 | (define (escape->ref exp) |
1118 | ;; Turn 'ungexp' form EXP into a "reference". | |
667b2508 LC |
1119 | (syntax-case exp (ungexp ungexp-splicing |
1120 | ungexp-native ungexp-native-splicing | |
1121 | output) | |
21b679f6 | 1122 | ((ungexp output) |
1e87da58 | 1123 | #'(gexp-output "out")) |
21b679f6 | 1124 | ((ungexp output name) |
1e87da58 | 1125 | #'(gexp-output name)) |
21b679f6 | 1126 | ((ungexp thing) |
0dbea56b | 1127 | #'(%gexp-input thing "out" #f)) |
21b679f6 | 1128 | ((ungexp drv-or-pkg out) |
0dbea56b | 1129 | #'(%gexp-input drv-or-pkg out #f)) |
21b679f6 | 1130 | ((ungexp-splicing lst) |
0dbea56b | 1131 | #'(%gexp-input lst "out" #f)) |
667b2508 | 1132 | ((ungexp-native thing) |
0dbea56b | 1133 | #'(%gexp-input thing "out" #t)) |
667b2508 | 1134 | ((ungexp-native drv-or-pkg out) |
0dbea56b | 1135 | #'(%gexp-input drv-or-pkg out #t)) |
667b2508 | 1136 | ((ungexp-native-splicing lst) |
0dbea56b | 1137 | #'(%gexp-input lst "out" #t)))) |
21b679f6 | 1138 | |
667b2508 LC |
1139 | (define (substitute-ungexp exp substs) |
1140 | ;; Given EXP, an 'ungexp' or 'ungexp-native' form, substitute it with | |
1141 | ;; the corresponding form in SUBSTS. | |
1142 | (match (assoc exp substs) | |
1143 | ((_ id) | |
1144 | id) | |
4a6e889f LC |
1145 | (_ ;internal error |
1146 | (with-syntax ((exp exp)) | |
1147 | #'(syntax-error "error: no 'ungexp' substitution" exp))))) | |
667b2508 LC |
1148 | |
1149 | (define (substitute-ungexp-splicing exp substs) | |
1150 | (syntax-case exp () | |
1151 | ((exp rest ...) | |
1152 | (match (assoc #'exp substs) | |
1153 | ((_ id) | |
1154 | (with-syntax ((id id)) | |
1155 | #`(append id | |
1156 | #,(substitute-references #'(rest ...) substs)))) | |
1157 | (_ | |
1158 | #'(syntax-error "error: no 'ungexp-splicing' substitution" | |
4a6e889f | 1159 | exp)))))) |
667b2508 | 1160 | |
21b679f6 LC |
1161 | (define (substitute-references exp substs) |
1162 | ;; Return a variant of EXP where all the cars of SUBSTS have been | |
1163 | ;; replaced by the corresponding cdr. | |
667b2508 LC |
1164 | (syntax-case exp (ungexp ungexp-native |
1165 | ungexp-splicing ungexp-native-splicing) | |
21b679f6 | 1166 | ((ungexp _ ...) |
667b2508 LC |
1167 | (substitute-ungexp exp substs)) |
1168 | ((ungexp-native _ ...) | |
1169 | (substitute-ungexp exp substs)) | |
21b679f6 | 1170 | (((ungexp-splicing _ ...) rest ...) |
667b2508 LC |
1171 | (substitute-ungexp-splicing exp substs)) |
1172 | (((ungexp-native-splicing _ ...) rest ...) | |
1173 | (substitute-ungexp-splicing exp substs)) | |
5e2e4a51 | 1174 | ((exp0 . exp) |
21b679f6 | 1175 | #`(cons #,(substitute-references #'exp0 substs) |
5e2e4a51 | 1176 | #,(substitute-references #'exp substs))) |
21b679f6 LC |
1177 | (x #''x))) |
1178 | ||
1179 | (syntax-case s (ungexp output) | |
1180 | ((_ exp) | |
affd7761 | 1181 | (let* ((escapes (delete-duplicates (collect-escapes #'exp))) |
21b679f6 LC |
1182 | (formals (generate-temporaries escapes)) |
1183 | (sexp (substitute-references #'exp (zip escapes formals))) | |
affd7761 LC |
1184 | (refs (map escape->ref escapes))) |
1185 | #`(make-gexp (list #,@refs) | |
0bb9929e | 1186 | current-imported-modules |
838e17d8 | 1187 | current-imported-extensions |
21b679f6 LC |
1188 | (lambda #,formals |
1189 | #,sexp))))))) | |
1190 | ||
1191 | \f | |
aa72d9af LC |
1192 | ;;; |
1193 | ;;; Module handling. | |
1194 | ;;; | |
1195 | ||
8df2eca6 LC |
1196 | (define %not-slash |
1197 | (char-set-complement (char-set #\/))) | |
1198 | ||
1199 | (define (file-mapping->tree mapping) | |
1200 | "Convert MAPPING, an alist like: | |
1201 | ||
1202 | ((\"guix/build/utils.scm\" . \"…/utils.scm\")) | |
1203 | ||
1204 | to a tree suitable for 'interned-file-tree'." | |
1205 | (let ((mapping (map (match-lambda | |
1206 | ((destination . source) | |
1207 | (cons (string-tokenize destination | |
1208 | %not-slash) | |
1209 | source))) | |
1210 | mapping))) | |
1211 | (fold (lambda (pair result) | |
1212 | (match pair | |
1213 | ((destination . source) | |
1214 | (let loop ((destination destination) | |
1215 | (result result)) | |
1216 | (match destination | |
1217 | ((file) | |
1218 | (let* ((mode (stat:mode (stat source))) | |
1219 | (type (if (zero? (logand mode #o100)) | |
1220 | 'regular | |
1221 | 'executable))) | |
1222 | (alist-cons file | |
1223 | `(,type (file ,source)) | |
1224 | result))) | |
1225 | ((file rest ...) | |
1226 | (let ((directory (assoc-ref result file))) | |
1227 | (alist-cons file | |
1228 | `(directory | |
1229 | ,@(loop rest | |
1230 | (match directory | |
1231 | (('directory . entries) entries) | |
1232 | (#f '())))) | |
1233 | (if directory | |
1234 | (alist-delete file result) | |
1235 | result))))))))) | |
1236 | '() | |
1237 | mapping))) | |
1238 | ||
df2d51f0 LC |
1239 | (define %utils-module |
1240 | ;; This file provides 'mkdir-p', needed to implement 'imported-files' and | |
a9601e23 LC |
1241 | ;; other primitives below. Note: We give the file name relative to this |
1242 | ;; file you are currently reading; 'search-path' could return a file name | |
1243 | ;; relative to the current working directory. | |
1244 | (local-file "build/utils.scm" | |
df2d51f0 | 1245 | "build-utils.scm")) |
aa72d9af | 1246 | |
8df2eca6 LC |
1247 | (define* (imported-files/derivation files |
1248 | #:key (name "file-import") | |
e529d468 | 1249 | (symlink? #f) |
8df2eca6 | 1250 | (system (%current-system)) |
8afa18d6 | 1251 | (guile (%guile-for-build))) |
aa72d9af | 1252 | "Return a derivation that imports FILES into STORE. FILES must be a list |
d938a58b LC |
1253 | of (FINAL-PATH . FILE) pairs. Each FILE is mapped to FINAL-PATH in the |
1254 | resulting store path. FILE can be either a file name, or a file-like object, | |
e529d468 LC |
1255 | as returned by 'local-file' for example. If SYMLINK? is true, create symlinks |
1256 | to the source files instead of copying them." | |
aa72d9af LC |
1257 | (define file-pair |
1258 | (match-lambda | |
d938a58b | 1259 | ((final-path . (? string? file-name)) |
aa72d9af LC |
1260 | (mlet %store-monad ((file (interned-file file-name |
1261 | (basename final-path)))) | |
d938a58b LC |
1262 | (return (list final-path file)))) |
1263 | ((final-path . file-like) | |
1264 | (mlet %store-monad ((file (lower-object file-like system))) | |
aa72d9af LC |
1265 | (return (list final-path file)))))) |
1266 | ||
b334674f | 1267 | (mlet %store-monad ((files (mapm %store-monad file-pair files))) |
aa72d9af LC |
1268 | (define build |
1269 | (gexp | |
1270 | (begin | |
df2d51f0 | 1271 | (primitive-load (ungexp %utils-module)) ;for 'mkdir-p' |
aa72d9af LC |
1272 | (use-modules (ice-9 match)) |
1273 | ||
aa72d9af LC |
1274 | (mkdir (ungexp output)) (chdir (ungexp output)) |
1275 | (for-each (match-lambda | |
1276 | ((final-path store-path) | |
1277 | (mkdir-p (dirname final-path)) | |
e529d468 LC |
1278 | ((ungexp (if symlink? 'symlink 'copy-file)) |
1279 | store-path final-path))) | |
aa72d9af LC |
1280 | '(ungexp files))))) |
1281 | ||
1282 | ;; TODO: Pass FILES as an environment variable so that BUILD remains | |
1283 | ;; exactly the same regardless of FILES: less disk space, and fewer | |
1284 | ;; 'add-to-store' RPCs. | |
1285 | (gexp->derivation name build | |
1286 | #:system system | |
1287 | #:guile-for-build guile | |
30d722c3 LC |
1288 | #:local-build? #t |
1289 | ||
8afa18d6 LC |
1290 | ;; Avoid deprecation warnings about the use of the _IO* |
1291 | ;; constants in (guix build utils). | |
30d722c3 | 1292 | #:env-vars |
8afa18d6 | 1293 | '(("GUILE_WARN_DEPRECATED" . "no"))))) |
aa72d9af | 1294 | |
8df2eca6 LC |
1295 | (define* (imported-files files |
1296 | #:key (name "file-import") | |
8df2eca6 LC |
1297 | ;; The following parameters make sense when creating |
1298 | ;; an actual derivation. | |
1299 | (system (%current-system)) | |
8afa18d6 | 1300 | (guile (%guile-for-build))) |
8df2eca6 LC |
1301 | "Import FILES into the store and return the resulting derivation or store |
1302 | file name (a derivation is created if and only if some elements of FILES are | |
1303 | file-like objects and not local file names.) FILES must be a list | |
1304 | of (FINAL-PATH . FILE) pairs. Each FILE is mapped to FINAL-PATH in the | |
1305 | resulting store path. FILE can be either a file name, or a file-like object, | |
1306 | as returned by 'local-file' for example." | |
8c7bebd6 LC |
1307 | (if (any (match-lambda |
1308 | ((_ . (? struct? source)) #t) | |
1309 | (_ #f)) | |
1310 | files) | |
8df2eca6 | 1311 | (imported-files/derivation files #:name name |
e529d468 | 1312 | #:symlink? derivation? |
8afa18d6 | 1313 | #:system system #:guile guile) |
8df2eca6 LC |
1314 | (interned-file-tree `(,name directory |
1315 | ,@(file-mapping->tree files))))) | |
1316 | ||
aa72d9af LC |
1317 | (define* (imported-modules modules |
1318 | #:key (name "module-import") | |
1319 | (system (%current-system)) | |
1320 | (guile (%guile-for-build)) | |
8afa18d6 | 1321 | (module-path %load-path)) |
aa72d9af | 1322 | "Return a derivation that contains the source files of MODULES, a list of |
d938a58b LC |
1323 | module names such as `(ice-9 q)'. All of MODULES must be either names of |
1324 | modules to be found in the MODULE-PATH search path, or a module name followed | |
1325 | by an arrow followed by a file-like object. For example: | |
1326 | ||
1327 | (imported-modules `((guix build utils) | |
1328 | (guix gcrypt) | |
1329 | ((guix config) => ,(scheme-file …)))) | |
1330 | ||
1331 | In this example, the first two modules are taken from MODULE-PATH, and the | |
1332 | last one is created from the given <scheme-file> object." | |
4d20d87b LC |
1333 | (let ((files (map (match-lambda |
1334 | (((module ...) '=> file) | |
1335 | (cons (module->source-file-name module) | |
1336 | file)) | |
1337 | ((module ...) | |
1338 | (let ((f (module->source-file-name module))) | |
1339 | (cons f (search-path* module-path f))))) | |
1340 | modules))) | |
8df2eca6 | 1341 | (imported-files files #:name name |
8df2eca6 | 1342 | #:system system |
8afa18d6 | 1343 | #:guile guile))) |
aa72d9af LC |
1344 | |
1345 | (define* (compiled-modules modules | |
1346 | #:key (name "module-import-compiled") | |
1347 | (system (%current-system)) | |
2cc5ec7f | 1348 | target |
aa72d9af | 1349 | (guile (%guile-for-build)) |
a912c723 | 1350 | (module-path %load-path) |
838e17d8 | 1351 | (extensions '()) |
a31174e8 LC |
1352 | (deprecation-warnings #f) |
1353 | ||
1354 | ;; TODO: This flag is here to prevent a full | |
1355 | ;; rebuild. Remove it on the next rebuild cycle. | |
1356 | (pre-load-modules? #t)) | |
aa72d9af LC |
1357 | "Return a derivation that builds a tree containing the `.go' files |
1358 | corresponding to MODULES. All the MODULES are built in a context where | |
2cc5ec7f LC |
1359 | they can refer to each other. When TARGET is true, cross-compile MODULES for |
1360 | TARGET, a GNU triplet." | |
d3292275 LC |
1361 | (define total (length modules)) |
1362 | ||
aa72d9af LC |
1363 | (mlet %store-monad ((modules (imported-modules modules |
1364 | #:system system | |
1365 | #:guile guile | |
1366 | #:module-path | |
8afa18d6 | 1367 | module-path))) |
aa72d9af LC |
1368 | (define build |
1369 | (gexp | |
1370 | (begin | |
df2d51f0 LC |
1371 | (primitive-load (ungexp %utils-module)) ;for 'mkdir-p' |
1372 | ||
aa72d9af | 1373 | (use-modules (ice-9 ftw) |
d3292275 LC |
1374 | (ice-9 format) |
1375 | (srfi srfi-1) | |
aa72d9af LC |
1376 | (srfi srfi-26) |
1377 | (system base compile)) | |
1378 | ||
2cc5ec7f LC |
1379 | ;; TODO: Inline this on the next rebuild cycle. |
1380 | (ungexp-splicing | |
1381 | (if target | |
1382 | (gexp ((use-modules (system base target)))) | |
1383 | (gexp ()))) | |
1384 | ||
aa72d9af LC |
1385 | (define (regular? file) |
1386 | (not (member file '("." "..")))) | |
1387 | ||
d3292275 | 1388 | (define (process-entry entry output processed) |
e640c9e6 LC |
1389 | (if (file-is-directory? entry) |
1390 | (let ((output (string-append output "/" (basename entry)))) | |
1391 | (mkdir-p output) | |
d3292275 | 1392 | (process-directory entry output processed)) |
e640c9e6 LC |
1393 | (let* ((base (basename entry ".scm")) |
1394 | (output (string-append output "/" base ".go"))) | |
d3292275 | 1395 | (format #t "[~2@a/~2@a] Compiling '~a'...~%" |
a31174e8 LC |
1396 | (+ 1 processed |
1397 | (ungexp-splicing (if pre-load-modules? | |
1398 | (gexp ((ungexp total))) | |
1399 | (gexp ())))) | |
1400 | (ungexp (* total (if pre-load-modules? 2 1))) | |
1401 | entry) | |
2cc5ec7f LC |
1402 | |
1403 | (ungexp-splicing | |
1404 | (if target | |
1405 | (gexp ((with-target (ungexp target) | |
1406 | (lambda () | |
1407 | (compile-file entry | |
1408 | #:output-file output | |
1409 | #:opts | |
1410 | %auto-compilation-options))))) | |
1411 | (gexp ((compile-file entry | |
1412 | #:output-file output | |
1413 | #:opts %auto-compilation-options))))) | |
1414 | ||
d3292275 | 1415 | (+ 1 processed)))) |
e640c9e6 | 1416 | |
d3292275 | 1417 | (define (process-directory directory output processed) |
aa72d9af LC |
1418 | (let ((entries (map (cut string-append directory "/" <>) |
1419 | (scandir directory regular?)))) | |
d3292275 LC |
1420 | (fold (cut process-entry <> output <>) |
1421 | processed | |
1422 | entries))) | |
1423 | ||
1424 | (setvbuf (current-output-port) | |
1425 | (cond-expand (guile-2.2 'line) (else _IOLBF))) | |
aa72d9af | 1426 | |
4a42abc5 LC |
1427 | (define mkdir-p |
1428 | ;; Capture 'mkdir-p'. | |
1429 | (@ (guix build utils) mkdir-p)) | |
5d669883 | 1430 | |
838e17d8 | 1431 | ;; Add EXTENSIONS to the search path. |
4a42abc5 LC |
1432 | (set! %load-path |
1433 | (append (map (lambda (extension) | |
1434 | (string-append extension | |
1435 | "/share/guile/site/" | |
1436 | (effective-version))) | |
1437 | '((ungexp-native-splicing extensions))) | |
1438 | %load-path)) | |
1439 | (set! %load-compiled-path | |
1440 | (append (map (lambda (extension) | |
1441 | (string-append extension "/lib/guile/" | |
1442 | (effective-version) | |
1443 | "/site-ccache")) | |
1444 | '((ungexp-native-splicing extensions))) | |
1445 | %load-compiled-path)) | |
838e17d8 | 1446 | |
aa72d9af | 1447 | (set! %load-path (cons (ungexp modules) %load-path)) |
5d669883 | 1448 | |
4a42abc5 LC |
1449 | ;; Above we loaded our own (guix build utils) but now we may need to |
1450 | ;; load a compile a different one. Thus, force a reload. | |
1451 | (let ((utils (string-append (ungexp modules) | |
1452 | "/guix/build/utils.scm"))) | |
1453 | (when (file-exists? utils) | |
1454 | (load utils))) | |
5d669883 | 1455 | |
aa72d9af LC |
1456 | (mkdir (ungexp output)) |
1457 | (chdir (ungexp modules)) | |
a31174e8 LC |
1458 | |
1459 | (ungexp-splicing | |
1460 | (if pre-load-modules? | |
1461 | (gexp ((define* (load-from-directory directory | |
1462 | #:optional (loaded 0)) | |
1463 | "Load all the source files found in DIRECTORY." | |
1464 | ;; XXX: This works around <https://bugs.gnu.org/15602>. | |
1465 | (let ((entries (map (cut string-append directory "/" <>) | |
1466 | (scandir directory regular?)))) | |
1467 | (fold (lambda (file loaded) | |
1468 | (if (file-is-directory? file) | |
1469 | (load-from-directory file loaded) | |
1470 | (begin | |
1471 | (format #t "[~2@a/~2@a] Loading '~a'...~%" | |
1472 | (+ 1 loaded) | |
1473 | (ungexp (* 2 total)) | |
1474 | file) | |
1475 | (save-module-excursion | |
1476 | (lambda () | |
1477 | (primitive-load file))) | |
1478 | (+ 1 loaded)))) | |
1479 | loaded | |
1480 | entries))) | |
1481 | ||
1482 | (load-from-directory "."))) | |
1483 | (gexp ()))) | |
1484 | ||
d3292275 | 1485 | (process-directory "." (ungexp output) 0)))) |
aa72d9af LC |
1486 | |
1487 | ;; TODO: Pass MODULES as an environment variable. | |
1488 | (gexp->derivation name build | |
1489 | #:system system | |
1490 | #:guile-for-build guile | |
a912c723 LC |
1491 | #:local-build? #t |
1492 | #:env-vars | |
1493 | (case deprecation-warnings | |
1494 | ((#f) | |
1495 | '(("GUILE_WARN_DEPRECATED" . "no"))) | |
1496 | ((detailed) | |
1497 | '(("GUILE_WARN_DEPRECATED" . "detailed"))) | |
1498 | (else | |
1499 | '()))))) | |
aa72d9af LC |
1500 | |
1501 | \f | |
21b679f6 LC |
1502 | ;;; |
1503 | ;;; Convenience procedures. | |
1504 | ;;; | |
1505 | ||
53e89b17 | 1506 | (define (default-guile) |
6ee797f3 LC |
1507 | ;; Lazily resolve 'guile-2.2' (not 'guile-final' because this is for |
1508 | ;; programs returned by 'program-file' and we don't want to keep references | |
1509 | ;; to several Guile packages). This module must not refer to (gnu …) | |
53e89b17 | 1510 | ;; modules directly, to avoid circular dependencies, hence this hack. |
6ee797f3 LC |
1511 | (module-ref (resolve-interface '(gnu packages guile)) |
1512 | 'guile-2.2)) | |
53e89b17 | 1513 | |
838e17d8 | 1514 | (define* (load-path-expression modules #:optional (path %load-path) |
2e8cabb8 | 1515 | #:key (extensions '()) system target) |
dd8d1a30 | 1516 | "Return as a monadic value a gexp that sets '%load-path' and |
1ae16033 | 1517 | '%load-compiled-path' to point to MODULES, a list of module names. MODULES |
efff3245 LC |
1518 | are searched for in PATH. Return #f when MODULES and EXTENSIONS are empty." |
1519 | (if (and (null? modules) (null? extensions)) | |
1520 | (with-monad %store-monad | |
1521 | (return #f)) | |
1522 | (mlet %store-monad ((modules (imported-modules modules | |
2e8cabb8 LC |
1523 | #:module-path path |
1524 | #:system system)) | |
efff3245 LC |
1525 | (compiled (compiled-modules modules |
1526 | #:extensions extensions | |
2e8cabb8 LC |
1527 | #:module-path path |
1528 | #:system system | |
1529 | #:target target))) | |
cdf9811d LC |
1530 | (return |
1531 | (gexp (eval-when (expand load eval) | |
1532 | ;; Augment the load paths and delete duplicates. Do that | |
1533 | ;; without loading (srfi srfi-1) or anything. | |
1534 | (let ((extensions '((ungexp-native-splicing extensions))) | |
1535 | (prepend (lambda (items lst) | |
1536 | ;; This is O(N²) but N is typically small. | |
1537 | (let loop ((items items) | |
1538 | (lst lst)) | |
1539 | (if (null? items) | |
1540 | lst | |
1541 | (loop (cdr items) | |
1542 | (cons (car items) | |
1543 | (delete (car items) lst)))))))) | |
1544 | (set! %load-path | |
1545 | (prepend (cons (ungexp modules) | |
1546 | (map (lambda (extension) | |
1547 | (string-append extension | |
1548 | "/share/guile/site/" | |
1549 | (effective-version))) | |
1550 | extensions)) | |
1551 | %load-path)) | |
1552 | (set! %load-compiled-path | |
1553 | (prepend (cons (ungexp compiled) | |
1554 | (map (lambda (extension) | |
1555 | (string-append extension | |
1556 | "/lib/guile/" | |
1557 | (effective-version) | |
1558 | "/site-ccache")) | |
1559 | extensions)) | |
1560 | %load-compiled-path))))))))) | |
dd8d1a30 | 1561 | |
21b679f6 | 1562 | (define* (gexp->script name exp |
1ae16033 | 1563 | #:key (guile (default-guile)) |
2e8cabb8 LC |
1564 | (module-path %load-path) |
1565 | (system (%current-system)) | |
1566 | target) | |
9c14a487 | 1567 | "Return an executable script NAME that runs EXP using GUILE, with EXP's |
1ae16033 | 1568 | imported modules in its search path. Look up EXP's modules in MODULE-PATH." |
9c14a487 | 1569 | (mlet %store-monad ((set-load-path |
1ae16033 | 1570 | (load-path-expression (gexp-modules exp) |
838e17d8 LC |
1571 | module-path |
1572 | #:extensions | |
2e8cabb8 LC |
1573 | (gexp-extensions exp) |
1574 | #:system system | |
1575 | #:target target))) | |
21b679f6 LC |
1576 | (gexp->derivation name |
1577 | (gexp | |
1578 | (call-with-output-file (ungexp output) | |
1579 | (lambda (port) | |
c17b5ab4 LC |
1580 | ;; Note: that makes a long shebang. When the store |
1581 | ;; is /gnu/store, that fits within the 128-byte | |
1582 | ;; limit imposed by Linux, but that may go beyond | |
1583 | ;; when running tests. | |
21b679f6 LC |
1584 | (format port |
1585 | "#!~a/bin/guile --no-auto-compile~%!#~%" | |
1586 | (ungexp guile)) | |
4a4cbd0b | 1587 | |
efff3245 LC |
1588 | (ungexp-splicing |
1589 | (if set-load-path | |
1590 | (gexp ((write '(ungexp set-load-path) port))) | |
1591 | (gexp ()))) | |
1592 | ||
21b679f6 | 1593 | (write '(ungexp exp) port) |
1ae16033 | 1594 | (chmod port #o555)))) |
2e8cabb8 LC |
1595 | #:system system |
1596 | #:target target | |
1ae16033 | 1597 | #:module-path module-path))) |
21b679f6 | 1598 | |
1ae16033 LC |
1599 | (define* (gexp->file name exp #:key |
1600 | (set-load-path? #t) | |
4fbd1a2b LC |
1601 | (module-path %load-path) |
1602 | (splice? #f)) | |
1603 | "Return a derivation that builds a file NAME containing EXP. When SPLICE? | |
1604 | is true, EXP is considered to be a list of expressions that will be spliced in | |
1605 | the resulting file. | |
1606 | ||
1607 | When SET-LOAD-PATH? is true, emit code in the resulting file to set | |
1608 | '%load-path' and '%load-compiled-path' to honor EXP's imported modules. | |
1609 | Lookup EXP's modules in MODULE-PATH." | |
838e17d8 LC |
1610 | (define modules (gexp-modules exp)) |
1611 | (define extensions (gexp-extensions exp)) | |
1612 | ||
1613 | (if (or (not set-load-path?) | |
1614 | (and (null? modules) (null? extensions))) | |
1615 | (gexp->derivation name | |
1616 | (gexp | |
1617 | (call-with-output-file (ungexp output) | |
1618 | (lambda (port) | |
1619 | (for-each (lambda (exp) | |
1620 | (write exp port)) | |
1621 | '(ungexp (if splice? | |
1622 | exp | |
1623 | (gexp ((ungexp exp))))))))) | |
1624 | #:local-build? #t | |
1625 | #:substitutable? #f) | |
1626 | (mlet %store-monad ((set-load-path | |
1627 | (load-path-expression modules module-path | |
1628 | #:extensions extensions))) | |
1629 | (gexp->derivation name | |
1630 | (gexp | |
1631 | (call-with-output-file (ungexp output) | |
1632 | (lambda (port) | |
1633 | (write '(ungexp set-load-path) port) | |
1634 | (for-each (lambda (exp) | |
1635 | (write exp port)) | |
1636 | '(ungexp (if splice? | |
1637 | exp | |
1638 | (gexp ((ungexp exp))))))))) | |
1639 | #:module-path module-path | |
1640 | #:local-build? #t | |
1641 | #:substitutable? #f)))) | |
21b679f6 | 1642 | |
462a3fa3 LC |
1643 | (define* (text-file* name #:rest text) |
1644 | "Return as a monadic value a derivation that builds a text file containing | |
d9ae938f LC |
1645 | all of TEXT. TEXT may list, in addition to strings, objects of any type that |
1646 | can be used in a gexp: packages, derivations, local file objects, etc. The | |
1647 | resulting store file holds references to all these." | |
462a3fa3 LC |
1648 | (define builder |
1649 | (gexp (call-with-output-file (ungexp output "out") | |
1650 | (lambda (port) | |
1651 | (display (string-append (ungexp-splicing text)) port))))) | |
1652 | ||
851b6f62 LC |
1653 | (gexp->derivation name builder |
1654 | #:local-build? #t | |
1655 | #:substitutable? #f)) | |
462a3fa3 | 1656 | |
b751cde3 LC |
1657 | (define* (mixed-text-file name #:rest text) |
1658 | "Return an object representing store file NAME containing TEXT. TEXT is a | |
1659 | sequence of strings and file-like objects, as in: | |
1660 | ||
1661 | (mixed-text-file \"profile\" | |
1662 | \"export PATH=\" coreutils \"/bin:\" grep \"/bin\") | |
1663 | ||
1664 | This is the declarative counterpart of 'text-file*'." | |
1665 | (define build | |
1666 | (gexp (call-with-output-file (ungexp output "out") | |
1667 | (lambda (port) | |
1668 | (display (string-append (ungexp-splicing text)) port))))) | |
1669 | ||
1670 | (computed-file name build)) | |
1671 | ||
dedb512f LC |
1672 | (define (file-union name files) |
1673 | "Return a <computed-file> that builds a directory containing all of FILES. | |
1674 | Each item in FILES must be a two-element list where the first element is the | |
1675 | file name to use in the new directory, and the second element is a gexp | |
1676 | denoting the target file. Here's an example: | |
1677 | ||
1678 | (file-union \"etc\" | |
1679 | `((\"hosts\" ,(plain-file \"hosts\" | |
1680 | \"127.0.0.1 localhost\")) | |
1681 | (\"bashrc\" ,(plain-file \"bashrc\" | |
5dec93bb LC |
1682 | \"alias ls='ls --color'\")) |
1683 | (\"libvirt/qemu.conf\" ,(plain-file \"qemu.conf\" \"\")))) | |
dedb512f LC |
1684 | |
1685 | This yields an 'etc' directory containing these two files." | |
1686 | (computed-file name | |
5dec93bb LC |
1687 | (with-imported-modules '((guix build utils)) |
1688 | (gexp | |
1689 | (begin | |
1690 | (use-modules (guix build utils)) | |
1691 | ||
1692 | (mkdir (ungexp output)) | |
1693 | (chdir (ungexp output)) | |
1694 | (ungexp-splicing | |
1695 | (map (match-lambda | |
1696 | ((target source) | |
1697 | (gexp | |
1698 | (begin | |
1699 | ;; Stat the source to abort early if it does | |
1700 | ;; not exist. | |
1701 | (stat (ungexp source)) | |
1702 | ||
1703 | (mkdir-p (dirname (ungexp target))) | |
1704 | (symlink (ungexp source) | |
1705 | (ungexp target)))))) | |
1706 | files))))))) | |
dedb512f | 1707 | |
59523429 | 1708 | (define* (directory-union name things |
b244ae25 LC |
1709 | #:key (copy? #f) (quiet? #f) |
1710 | (resolve-collision 'warn-about-collision)) | |
d298c815 LC |
1711 | "Return a directory that is the union of THINGS, where THINGS is a list of |
1712 | file-like objects denoting directories. For example: | |
1713 | ||
1714 | (directory-union \"guile+emacs\" (list guile emacs)) | |
1715 | ||
59523429 LC |
1716 | yields a directory that is the union of the 'guile' and 'emacs' packages. |
1717 | ||
b244ae25 LC |
1718 | Call RESOLVE-COLLISION when several files collide, passing it the list of |
1719 | colliding files. RESOLVE-COLLISION must return the chosen file or #f, in | |
1720 | which case the colliding entry is skipped altogether. | |
1721 | ||
de98b302 LC |
1722 | When HARD-LINKS? is true, create hard links instead of symlinks. When QUIET? |
1723 | is true, the derivation will not print anything." | |
59523429 LC |
1724 | (define symlink |
1725 | (if copy? | |
1726 | (gexp (lambda (old new) | |
1727 | (if (file-is-directory? old) | |
1728 | (symlink old new) | |
1729 | (copy-file old new)))) | |
1730 | (gexp symlink))) | |
1731 | ||
de98b302 LC |
1732 | (define log-port |
1733 | (if quiet? | |
1734 | (gexp (%make-void-port "w")) | |
1735 | (gexp (current-error-port)))) | |
1736 | ||
d298c815 LC |
1737 | (match things |
1738 | ((one) | |
1739 | ;; Only one thing; return it. | |
1740 | one) | |
1741 | (_ | |
1742 | (computed-file name | |
1743 | (with-imported-modules '((guix build union)) | |
1744 | (gexp (begin | |
b244ae25 LC |
1745 | (use-modules (guix build union) |
1746 | (srfi srfi-1)) ;for 'first' and 'last' | |
1747 | ||
d298c815 | 1748 | (union-build (ungexp output) |
59523429 LC |
1749 | '(ungexp things) |
1750 | ||
de98b302 | 1751 | #:log-port (ungexp log-port) |
b244ae25 LC |
1752 | #:symlink (ungexp symlink) |
1753 | #:resolve-collision | |
1754 | (ungexp resolve-collision))))))))) | |
d298c815 | 1755 | |
21b679f6 LC |
1756 | \f |
1757 | ;;; | |
1758 | ;;; Syntactic sugar. | |
1759 | ;;; | |
1760 | ||
1761 | (eval-when (expand load eval) | |
667b2508 LC |
1762 | (define* (read-ungexp chr port #:optional native?) |
1763 | "Read an 'ungexp' or 'ungexp-splicing' form from PORT. When NATIVE? is | |
1764 | true, use 'ungexp-native' and 'ungexp-native-splicing' instead." | |
21b679f6 LC |
1765 | (define unquote-symbol |
1766 | (match (peek-char port) | |
1767 | (#\@ | |
1768 | (read-char port) | |
667b2508 LC |
1769 | (if native? |
1770 | 'ungexp-native-splicing | |
1771 | 'ungexp-splicing)) | |
21b679f6 | 1772 | (_ |
667b2508 LC |
1773 | (if native? |
1774 | 'ungexp-native | |
1775 | 'ungexp)))) | |
21b679f6 LC |
1776 | |
1777 | (match (read port) | |
1778 | ((? symbol? symbol) | |
1779 | (let ((str (symbol->string symbol))) | |
1780 | (match (string-index-right str #\:) | |
1781 | (#f | |
1782 | `(,unquote-symbol ,symbol)) | |
1783 | (colon | |
1784 | (let ((name (string->symbol (substring str 0 colon))) | |
1785 | (output (substring str (+ colon 1)))) | |
1786 | `(,unquote-symbol ,name ,output)))))) | |
1787 | (x | |
1788 | `(,unquote-symbol ,x)))) | |
1789 | ||
1790 | (define (read-gexp chr port) | |
1791 | "Read a 'gexp' form from PORT." | |
1792 | `(gexp ,(read port))) | |
1793 | ||
1794 | ;; Extend the reader | |
1795 | (read-hash-extend #\~ read-gexp) | |
667b2508 LC |
1796 | (read-hash-extend #\$ read-ungexp) |
1797 | (read-hash-extend #\+ (cut read-ungexp <> <> #t))) | |
21b679f6 LC |
1798 | |
1799 | ;;; gexp.scm ends here |