libsass devel 3.1.0

Adds a devel block for libsass.

Closes #35218.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/Library/Formula/libsass.rb b/Library/Formula/libsass.rb
index 76fa8edea..bc117c0a7 100644
--- a/Library/Formula/libsass.rb
+++ b/Library/Formula/libsass.rb
@@ -1,5 +1,3 @@
-require "formula"
-
 class Libsass < Formula
   homepage "https://github.com/sass/libsass"
   url "https://github.com/sass/libsass/archive/3.0.2.tar.gz"
@@ -13,6 +11,12 @@ class Libsass < Formula
     sha1 "d435e14e0a8a3886ba9dc301aed4db4baceb9fe6" => :mountain_lion
   end
 
+  devel do
+    url "https://github.com/sass/libsass/archive/3.1.0-beta.tar.gz"
+    sha1 "478571d0ddf789a41c08587562c52b5b54c3e418"
+    version "3.1.0-beta"
+  end
+
   depends_on "autoconf" => :build
   depends_on "automake" => :build
   depends_on "libtool" => :build
@@ -21,13 +25,19 @@ class Libsass < Formula
   def install
     ENV.cxx11
     ENV["LIBSASS_VERSION"] = "HEAD" if build.head?
+    ENV["LIBSASS_VERSION"] = "3.1.0" if build.devel?
     system "autoreconf", "-fvi"
     system "./configure", "--prefix=#{prefix}", "--disable-silent-rules",
                           "--disable-dependency-tracking"
     system "make", "install"
+    # The header below is deprecated and should not be used outside of test do.
+    # We only install it here for backward compatibility and so brew test works.
+    # https://github.com/sass/libsass/wiki/API-Documentation
+    include.install "sass_interface.h" if build.devel?
   end
 
   test do
+    # This will need to be updated when devel = stable due to API changes.
     (testpath/"test.c").write <<-EOS.undent
       #include <sass_interface.h>
       #include <string.h>