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build: Add minify build system.
* guix/build-system/minify.scm: New file. * guix/build/minify-build-system: New file. * Makefile.am (MODULES): Add new files. * doc/guix.texi (Build Systems): Document minify-build-system.
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Ricardo Wurmus
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4 changed files with 217 additions and 0 deletions
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@ -79,6 +79,7 @@ MODULES = \
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guix/build-system/dub.scm \
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guix/build-system/emacs.scm \
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guix/build-system/font.scm \
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guix/build-system/minify.scm \
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guix/build-system/asdf.scm \
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guix/build-system/glib-or-gtk.scm \
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guix/build-system/gnu.scm \
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@ -105,6 +106,7 @@ MODULES = \
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guix/build/cmake-build-system.scm \
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guix/build/dub-build-system.scm \
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guix/build/emacs-build-system.scm \
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guix/build/minify-build-system.scm \
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guix/build/font-build-system.scm \
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guix/build/asdf-build-system.scm \
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guix/build/git.scm \
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@ -3576,6 +3576,21 @@ specified with the @code{#:glib} parameter.
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Both phases are executed after the @code{install} phase.
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@end defvr
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@defvr {Scheme Variable} minify-build-system
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This variable is exported by @code{(guix build-system minify)}. It
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implements a minification procedure for simple JavaScript packages.
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It adds @code{uglify-js} to the set of inputs and uses it to compress
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all JavaScript files in the @file{src} directory. A different minifier
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package can be specified with the @code{#:uglify-js} parameter, but it
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is expected that the package writes the minified code to the standard
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output.
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When the input JavaScript files are not all located in the @file{src}
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directory, the parameter @code{#:javascript-files} can be used to
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specify a list of file names to feed to the minifier.
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@end defvr
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@defvr {Scheme Variable} ocaml-build-system
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This variable is exported by @code{(guix build-system ocaml)}. It implements
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a build procedure for @uref{https://ocaml.org, OCaml} packages, which consists
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127
guix/build-system/minify.scm
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127
guix/build-system/minify.scm
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@ -0,0 +1,127 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
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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-system minify)
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#:use-module (guix store)
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#:use-module (guix utils)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix search-paths)
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#:use-module (guix build-system)
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#:use-module (guix build-system gnu)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-26)
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#:export (%minify-build-system-modules
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minify-build
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minify-build-system))
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;; Commentary:
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;;
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;; Standard minification procedure for JavaScript files.
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;;
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;; Code:
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(define %minify-build-system-modules
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;; Build-side modules imported by default.
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`((guix build minify-build-system)
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(ice-9 popen)
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,@%gnu-build-system-modules))
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(define (default-uglify-js)
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"Return the default package to minify JavaScript source files."
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;; Lazily resolve the binding to avoid a circular dependency.
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(let ((lisp-mod (resolve-interface '(gnu packages lisp))))
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(module-ref lisp-mod 'uglify-js)))
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(define* (lower name
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#:key source inputs native-inputs outputs system
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(uglify-js (default-uglify-js))
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#:allow-other-keys
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#:rest arguments)
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"Return a bag for NAME."
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(define private-keywords
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'(#:source #:target #:inputs #:native-inputs))
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(bag
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(name name)
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(system system)
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(host-inputs `(,@(if source
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`(("source" ,source))
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'())
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,@inputs
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,@(standard-packages)))
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(build-inputs `(("uglify-js" ,uglify-js)
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,@native-inputs))
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(outputs outputs)
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(build minify-build)
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(arguments (strip-keyword-arguments private-keywords arguments))))
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(define* (minify-build store name inputs
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#:key
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(javascript-files #f)
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(phases '(@ (guix build minify-build-system)
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%standard-phases))
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(outputs '("out"))
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(system (%current-system))
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search-paths
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(guile #f)
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(imported-modules %minify-build-system-modules)
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(modules '((guix build minify-build-system)
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(guix build utils))))
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"Build SOURCE with INPUTS."
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(define builder
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`(begin
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(use-modules ,@modules)
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(minify-build #:name ,name
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#:source ,(match (assoc-ref inputs "source")
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(((? derivation? source))
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(derivation->output-path source))
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((source)
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source)
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(source
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source))
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#:javascript-files ,javascript-files
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#:phases ,phases
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#:outputs %outputs
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#:search-paths ',(map search-path-specification->sexp
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search-paths)
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#:inputs %build-inputs)))
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(define guile-for-build
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(match guile
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((? package?)
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(package-derivation store guile system #:graft? #f))
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(#f ; the default
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(let* ((distro (resolve-interface '(gnu packages commencement)))
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(guile (module-ref distro 'guile-final)))
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(package-derivation store guile system #:graft? #f)))))
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(build-expression->derivation store name builder
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#:inputs inputs
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#:system system
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#:modules imported-modules
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#:outputs outputs
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#:guile-for-build guile-for-build))
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(define minify-build-system
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(build-system
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(name 'minify)
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(description "The trivial JavaScript minification build system")
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(lower lower)))
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;;; minify.scm ends here
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73
guix/build/minify-build-system.scm
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73
guix/build/minify-build-system.scm
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@ -0,0 +1,73 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
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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$"))))
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(mkdir-p "guix/build")
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(every (cut minify <> #:directory "guix/build/") files)))
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(define* (install #:key outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(js (string-append out "/share/javascript/")))
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(mkdir-p js)
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(for-each (cut install-file <> js)
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(find-files "guix/build" "\\.min\\.js$")))
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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 '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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