[PATCH] gnu: Add sassc.

[David Thompson <dthompson2@worcester.edu>]

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From 4a6d1a798a0625d8bc104b86db56f5d2594a5d80 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Wed, 19 Aug 2015 21:54:57 -0400
Subject: [PATCH] gnu: Add sassc.

* gnu/packages/web.scm (sassc): New variable.
---
 gnu/packages/web.scm | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 48bfbc7..ce4cfeb 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -642,6 +642,59 @@ minimum to provide high performance operation.")
     ;; bundled CuTest framework uses a different non-copyleft license.
     (license (list l:asl2.0 (l:non-copyleft "file://test/CuTest-README.txt")))))
 
+(define-public sassc
+  ;; libsass must be statically linked and it isn't included in source the
+  ;; sassc release tarballs, hence this odd package recipe.
+  (let* ((version "3.2.5")
+         (libsass
+          (origin
+            (method url-fetch)
+            (uri (string-append
+                  "https://github.com/sass/libsass/archive/"
+                  version ".tar.gz"))
+            (file-name (string-append "libsass-" version ".tar.gz"))
+            (sha256
+             (base32
+              "1x25k6p1s1yzsdpzb7bzh8japilmi1mk3z96q66pycbinj9z9is4")))))
+    (package
+      (name "sassc")
+      (version version)
+      (source (origin
+                (method url-fetch)
+                (uri (string-append "https://github.com/sass/sassc/archive/"
+                                    version ".tar.gz"))
+                (sha256
+                 (base32
+                  "1xf3w75w840rj0nx375rxi7mcv1ngqqq8p3zrzjlyx8jfpnldmv5"))))
+      (build-system gnu-build-system)
+      (arguments
+       `(#:make-flags '("CC=gcc")
+         #:test-target "test"
+         #:phases
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (add-before 'build 'set-libsass-path
+             (lambda* (#:key inputs #:allow-other-keys)
+               (system* "tar" "xvf" (assoc-ref inputs "libsass"))
+               (setenv "SASS_LIBSASS_PATH"
+                       (string-append (getcwd) "/libsass-" ,version))
+
+               #t))
+           (replace 'install ; no install target
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let ((bin (string-append (assoc-ref outputs "out") "/bin")))
+                 (mkdir-p bin)
+                 (copy-file "bin/sassc"
+                            (string-append bin "/sassc"))
+                 #t))))))
+      (inputs
+       `(("libsass" ,libsass)))
+      (synopsis "CSS pre-processor")
+      (description "SassC is a compiler written in C for the CSS pre-processor
+language known as SASS.")
+      (home-page "http://sass-lang.com/libsass")
+      (license l:expat))))
+
 \f
 (define-public perl-apache-logformat-compiler
   (package
-- 
2.4.3


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-- 
David Thompson
GPG Key: 0FF1D807