Branch
Hash :
cf03e3cc
Author :
Thomas de Grivel
Date :
2017-03-04T19:15:41
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;;
;; RoL-assets - Asset pipeline
;;
;; Copyright 2012-2015 Thomas de Grivel <thomas@lowh.net>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above
;; copyright notice and this permission notice appear in all copies.
;;
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
;; WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
;; MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
;; ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
;; WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
;; ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
;; OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;
(in-package :RoL-assets)
(defvar *gzipped-extensions* '(.css .js .svg))
(defun gzip (input &optional (output (str input ".gz")))
(with-temporary-file (tmp :element-type '(unsigned-byte 8)
:prefix output)
(external-program:run "gzip" (list "-c")
:input input
:output tmp)
(when (probe-file output)
(sb-posix:unlink output))
(sb-posix:link tmp output)
output))
(defgeneric gzip-asset (asset path))
(defmethod gzip-asset ((asset asset) path)
(when (find (asset-ext asset) *gzipped-extensions* :test #'eq)
(gzip path)))