5b77e9ca14
* guix/build/minify-build-system.scm (install): Produce an error if the minified file is zero bytes.
80 lines
2.7 KiB
Scheme
80 lines
2.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build minify-build-system)
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#:use-module ((guix build gnu-build-system) #:prefix gnu:)
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#:use-module ((guix build minify-build-system) #:prefix minify:)
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#:use-module (guix build utils)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 popen)
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#:export (%standard-phases
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minify-build
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minify))
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;; Commentary:
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;;
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;; Builder-side code of the standard minification procedure for JavaScript
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;; files.
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;;
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;; Code:
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(define* (minify file #:key target (directory ""))
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(format #t "minifying ~a\n" file)
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(let* ((base (basename file ".js"))
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(installed (or target (string-append directory base ".min.js")))
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(minified (open-pipe* OPEN_READ "uglify-js" file)))
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(call-with-output-file installed
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(cut dump-port minified <>))
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#t))
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(define* (build #:key javascript-files
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#:allow-other-keys)
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(let ((files (or javascript-files
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(find-files "src" "\\.js$"))))
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(mkdir-p "guix/build")
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(every (cut minify <> #:directory "guix/build/") files)))
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(define* (install #:key outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(js (string-append out "/share/javascript/")))
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(mkdir-p js)
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(for-each
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(lambda (file)
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(if (not (zero? (stat:size (stat file))))
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(install-file file js)
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(error "File is empty: " file)))
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(find-files "guix/build" "\\.min\\.js$")))
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#t)
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(define %standard-phases
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(modify-phases gnu:%standard-phases
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(delete 'bootstrap)
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(delete 'configure)
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(replace 'build build)
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(delete 'check)
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(replace 'install install)))
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(define* (minify-build #:key inputs (phases %standard-phases)
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#:allow-other-keys #:rest args)
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"Build the given JavaScript package, applying all of PHASES in order."
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(apply gnu:gnu-build #:inputs inputs #:phases phases args))
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;;; minify-build-system.scm ends here
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