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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.
gn-latest-20200428
Ricardo Wurmus 4 years ago
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commit
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4 changed files with 217 additions and 0 deletions
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      Makefile.am
  2. +15
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      doc/guix.texi
  3. +127
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      guix/build-system/minify.scm
  4. +73
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      guix/build/minify-build-system.scm

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Makefile.am View File

@ -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 \


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doc/guix.texi View File

@ -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


+ 127
- 0
guix/build-system/minify.scm View File

@ -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

+ 73
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guix/build/minify-build-system.scm View File

@ -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

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