[gtk+/gtk-3-22] Adwaita: modify parse-sass.sh script to use sassc

[Lapo Calamandrei <lapo src gnome org>]

commit 67953e9cfb5dec4a509525fd572c3d21c38d8cff
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Wed May 17 18:05:13 2017 +0200

    Adwaita: modify parse-sass.sh script to use sassc

 gtk/theme/Adwaita/parse-sass.sh |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/gtk/theme/Adwaita/parse-sass.sh b/gtk/theme/Adwaita/parse-sass.sh
index e385f83..f2bd6e1 100755
--- a/gtk/theme/Adwaita/parse-sass.sh
+++ b/gtk/theme/Adwaita/parse-sass.sh
@@ -1,3 +1,13 @@
-#!/bin/sh
+#! /bin/bash
 
-bundle exec sass --update --sourcemap=none .
+if [ ! "$(which sassc 2> /dev/null)" ]; then
+   echo sassc needs to be installed to generate the css.
+   exit 1
+fi
+
+SASSC_OPT="-M -t compact"
+
+echo Generating the css...
+
+sassc $SASSC_OPT gtk-contained.scss gtk-contained.css
+sassc $SASSC_OPT gtk-contained-dark.scss gtk-contained-dark.css