summaryrefslogtreecommitdiff
path: root/guix/build-system
diff options
context:
space:
mode:
Diffstat (limited to 'guix/build-system')
-rw-r--r--guix/build-system/minify.scm127
1 files changed, 127 insertions, 0 deletions
diff --git a/guix/build-system/minify.scm b/guix/build-system/minify.scm
new file mode 100644
index 0000000000..af90a32f59
--- /dev/null
+++ b/guix/build-system/minify.scm
@@ -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