M Makefile.am => Makefile.am +2 -0
@@ 79,6 79,7 @@ MODULES = \
guix/build-system/dub.scm \
guix/build-system/emacs.scm \
guix/build-system/font.scm \
+ guix/build-system/minify.scm \
guix/build-system/asdf.scm \
guix/build-system/glib-or-gtk.scm \
guix/build-system/gnu.scm \
@@ 105,6 106,7 @@ MODULES = \
guix/build/cmake-build-system.scm \
guix/build/dub-build-system.scm \
guix/build/emacs-build-system.scm \
+ guix/build/minify-build-system.scm \
guix/build/font-build-system.scm \
guix/build/asdf-build-system.scm \
guix/build/git.scm \
M doc/guix.texi => doc/guix.texi +15 -0
@@ 3576,6 3576,21 @@ specified with the @code{#:glib} parameter.
Both phases are executed after the @code{install} phase.
@end defvr
+@defvr {Scheme Variable} minify-build-system
+This variable is exported by @code{(guix build-system minify)}. It
+implements a minification procedure for simple JavaScript packages.
+
+It adds @code{uglify-js} to the set of inputs and uses it to compress
+all JavaScript files in the @file{src} directory. A different minifier
+package can be specified with the @code{#:uglify-js} parameter, but it
+is expected that the package writes the minified code to the standard
+output.
+
+When the input JavaScript files are not all located in the @file{src}
+directory, the parameter @code{#:javascript-files} can be used to
+specify a list of file names to feed to the minifier.
+@end defvr
+
@defvr {Scheme Variable} ocaml-build-system
This variable is exported by @code{(guix build-system ocaml)}. It implements
a build procedure for @uref{https://ocaml.org, OCaml} packages, which consists
A guix/build-system/minify.scm => guix/build-system/minify.scm +127 -0
@@ 0,0 1,127 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix build-system minify)
+ #:use-module (guix store)
+ #:use-module (guix utils)
+ #:use-module (guix packages)
+ #:use-module (guix derivations)
+ #:use-module (guix search-paths)
+ #:use-module (guix build-system)
+ #:use-module (guix build-system gnu)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-26)
+ #:export (%minify-build-system-modules
+ minify-build
+ minify-build-system))
+
+;; Commentary:
+;;
+;; Standard minification procedure for JavaScript files.
+;;
+;; Code:
+
+(define %minify-build-system-modules
+ ;; Build-side modules imported by default.
+ `((guix build minify-build-system)
+ (ice-9 popen)
+ ,@%gnu-build-system-modules))
+
+(define (default-uglify-js)
+ "Return the default package to minify JavaScript source files."
+ ;; Lazily resolve the binding to avoid a circular dependency.
+ (let ((lisp-mod (resolve-interface '(gnu packages lisp))))
+ (module-ref lisp-mod 'uglify-js)))
+
+(define* (lower name
+ #:key source inputs native-inputs outputs system
+ (uglify-js (default-uglify-js))
+ #:allow-other-keys
+ #:rest arguments)
+ "Return a bag for NAME."
+ (define private-keywords
+ '(#:source #:target #:inputs #:native-inputs))
+
+ (bag
+ (name name)
+ (system system)
+ (host-inputs `(,@(if source
+ `(("source" ,source))
+ '())
+ ,@inputs
+ ,@(standard-packages)))
+ (build-inputs `(("uglify-js" ,uglify-js)
+ ,@native-inputs))
+ (outputs outputs)
+ (build minify-build)
+ (arguments (strip-keyword-arguments private-keywords arguments))))
+
+(define* (minify-build store name inputs
+ #:key
+ (javascript-files #f)
+ (phases '(@ (guix build minify-build-system)
+ %standard-phases))
+ (outputs '("out"))
+ (system (%current-system))
+ search-paths
+ (guile #f)
+ (imported-modules %minify-build-system-modules)
+ (modules '((guix build minify-build-system)
+ (guix build utils))))
+ "Build SOURCE with INPUTS."
+ (define builder
+ `(begin
+ (use-modules ,@modules)
+ (minify-build #:name ,name
+ #:source ,(match (assoc-ref inputs "source")
+ (((? derivation? source))
+ (derivation->output-path source))
+ ((source)
+ source)
+ (source
+ source))
+ #:javascript-files ,javascript-files
+ #:phases ,phases
+ #:outputs %outputs
+ #:search-paths ',(map search-path-specification->sexp
+ search-paths)
+ #:inputs %build-inputs)))
+
+ (define guile-for-build
+ (match guile
+ ((? package?)
+ (package-derivation store guile system #:graft? #f))
+ (#f ; the default
+ (let* ((distro (resolve-interface '(gnu packages commencement)))
+ (guile (module-ref distro 'guile-final)))
+ (package-derivation store guile system #:graft? #f)))))
+
+ (build-expression->derivation store name builder
+ #:inputs inputs
+ #:system system
+ #:modules imported-modules
+ #:outputs outputs
+ #:guile-for-build guile-for-build))
+
+(define minify-build-system
+ (build-system
+ (name 'minify)
+ (description "The trivial JavaScript minification build system")
+ (lower lower)))
+
+;;; minify.scm ends here
A guix/build/minify-build-system.scm => guix/build/minify-build-system.scm +73 -0
@@ 0,0 1,73 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix build minify-build-system)
+ #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+ #:use-module ((guix build minify-build-system) #:prefix minify:)
+ #:use-module (guix build utils)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:use-module (ice-9 popen)
+ #:export (%standard-phases
+ minify-build
+ minify))
+
+;; Commentary:
+;;
+;; Builder-side code of the standard minification procedure for JavaScript
+;; files.
+;;
+;; Code:
+
+(define* (minify file #:key target (directory ""))
+ (format #t "minifying ~a\n" file)
+ (let* ((base (basename file ".js"))
+ (installed (or target (string-append directory base ".min.js")))
+ (minified (open-pipe* OPEN_READ "uglify-js" file)))
+ (call-with-output-file installed
+ (cut dump-port minified <>))
+ #t))
+
+(define* (build #:key javascript-files
+ #:allow-other-keys)
+ (let ((files (or javascript-files
+ (find-files "src" "\\.js$"))))
+ (mkdir-p "guix/build")
+ (every (cut minify <> #:directory "guix/build/") files)))
+
+(define* (install #:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (js (string-append out "/share/javascript/")))
+ (mkdir-p js)
+ (for-each (cut install-file <> js)
+ (find-files "guix/build" "\\.min\\.js$")))
+ #t)
+
+(define %standard-phases
+ (modify-phases gnu:%standard-phases
+ (delete 'configure)
+ (replace 'build build)
+ (delete 'check)
+ (replace 'install install)))
+
+(define* (minify-build #:key inputs (phases %standard-phases)
+ #:allow-other-keys #:rest args)
+ "Build the given JavaScript package, applying all of PHASES in order."
+ (apply gnu:gnu-build #:inputs inputs #:phases phases args))
+
+;;; minify-build-system.scm ends here