don't hardcode sass options. close #238

docs/compilers.rst

@@ -112,7 +112,7 @@ To use it add this to your ``PIPELINE_COMPILERS`` ::
 
   Additional arguments to use when sass is called.
 
-  Defaults to ``''``.
+  Defaults to ``'--update'``.
 
 
 Stylus compiler

pipeline/compilers/sass.py

@@ -13,7 +13,7 @@ class SASSCompiler(SubProcessCompiler):
         return filename.endswith(('.scss', '.sass'))
 
     def compile_file(self, infile, outfile, outdated=False, force=False):
-        command = "%s %s --update %s:%s" % (
+        command = "%s %s %s:%s" % (
             settings.PIPELINE_SASS_BINARY,
             settings.PIPELINE_SASS_ARGUMENTS,
             infile,

pipeline/conf/settings.py

@@ -54,7 +54,7 @@ PIPELINE_LIVE_SCRIPT_BINARY = getattr(settings, 'PIPELINE_LIVE_SCRIPT_BINARY', '
 PIPELINE_LIVE_SCRIPT_ARGUMENTS = getattr(settings, 'PIPELINE_LIVE_SCRIPT_ARGUMENTS', '')
 
 PIPELINE_SASS_BINARY = getattr(settings, 'PIPELINE_SASS_BINARY', '/usr/bin/env sass')
-PIPELINE_SASS_ARGUMENTS = getattr(settings, 'PIPELINE_SASS_ARGUMENTS', '')
+PIPELINE_SASS_ARGUMENTS = getattr(settings, 'PIPELINE_SASS_ARGUMENTS', '--update')
 
 PIPELINE_STYLUS_BINARY = getattr(settings, 'PIPELINE_STYLUS_BINARY', '/usr/bin/env stylus')
 PIPELINE_STYLUS_ARGUMENTS = getattr(settings, 'PIPELINE_STYLUS_ARGUMENTS', '')