Ryan, I think your issue is different. Your problem seems to be that the
:cache flag is set for Sass::Plugin.options, but the :cache_location option
isn't. I've just pushed a fix to the stable branch that fixes this bug. For
now, if you explicitly set "Sass::Plugin.options[:cache_location] =
Sass::Engine::DEFAULT_OPTIONS[:cache_location]", this should work fine.

On Thu, Dec 24, 2009 at 7:34 AM, Ryan Michael <[email protected]> wrote:

> I'm having a very similar problem, but it's coming from my compass
> watcher script (using rails/compass).  My sass files look like this:
>
> // site.sass
> @import partials/base.sass
> @import partials/mixins.sass
> @import partials/products.sass
>
> body
>  +i18n_highlighting
>
>  #user_block
>    float: right
>    +inline_list
>
>  #nav_block
>    float: left
>    clear: both
>    +inline_list
>    margin-bottom: 20px
>
>  #content_block
>    clear: both
>
>  #footer_block
>    clear: both
>    text-align: center
>    +inline_list
>
> // _products.sass
> @import mixins.sass
>
> #sidebar
>  float: left
>  width: 200px
>  margin-left: 20px
>
> #browse_content
>  margin-left: 270px
>  +browse
>
> // _mixins.sass
> =inline_list
>  ul
>    display: inline
>  li
>    display: inline
>
> =i18n_highlighting
>  .translation_missing
>    background: yellow
>
> =browse
>  .browsing_block
>    width: 300px
>    float: left
>
>
> compass tries to compile site.sass and gives the the following error:
>
> TypeError: can't convert nil into String
>
> Backtrace:
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> files.rb:81:in `join'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> files.rb:81:in `sassc_filename'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> files.rb:24:in `tree_for'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:97:in `update_stylesheet'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:83:in `update_stylesheets'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:78:in `each'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:78:in `update_stylesheets'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:76:in `each'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:76:in `update_stylesheets'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin.rb:63:in `check_for_updates'
> /home/kerinin/Projects/forge/vendor/plugins/haml/rails/../lib/sass/
> plugin/rack.rb:43:in `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> string_coercion.rb:25:in `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/methodoverride.rb:24:in
> `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> params_parser.rb:15:in `call'
> /var/lib/gems/1.8/gems/rails-2.3.5/lib/rails/rack/metal.rb:47:in
> `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/
> cookie_store.rb:93:in `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> failsafe.rb:26:in `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `synchronize'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> dispatcher.rb:114:in `call'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> reloader.rb:34:in `run'
> /var/lib/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/
> dispatcher.rb:108:in `call'
> /var/lib/gems/1.8/gems/rails-2.3.5/lib/rails/rack/static.rb:31:in
> `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:46:in `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:40:in `each'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:40:in `call'
> /var/lib/gems/1.8/gems/rails-2.3.5/lib/rails/rack/log_tailer.rb:17:in
> `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/content_length.rb:13:in
> `call'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/handler/webrick.rb:50:in
> `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
> /usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:162:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
> /var/lib/gems/1.8/gems/rack-1.0.1/lib/rack/handler/webrick.rb:14:in
> `run'
> /var/lib/gems/1.8/gems/rails-2.3.5/lib/commands/server.rb:111
> /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in
> `gem_original_require'
> /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require'
> script/server:3
> */
> body:before {
>  white-space: pre;
>  font-family: monospace;
>  content: "TypeError: can't convert nil into String"; }
>
> Not sure what's causing this but it's a PITA.  The oddest part is that
> it doesn't seem to be consistent - sometimes it happens and sometimes
> it doesn't (on the exact same code)
>
> -Ryan
>
> On Dec 17, 1:04 pm, Nathan Weizenbaum <[email protected]> wrote:
> > What version of Ruby are you using? How are you calling css2sass?
> >
> > On Thu, Dec 17, 2009 at 9:20 AM, Yomi Colledge <[email protected]
> >wrote:
> >
> >
> >
> > > It's a consistent issue, I've had a play around and it seems to happen
> with
> > > even the most basic of CSS files.
> >
> > > On Wed, Dec 16, 2009 at 5:28 PM, Chris Eppstein <[email protected]
> >wrote:
> >
> > >> Does it happen for  you all the time or only with certain inputs?
> >
> > >> If input dependent, please post that css usinghttp://gist.github.comor
> > >>http://pastie.organd send us the link.
> >
> > >> chris
> >
> > >> On Wed, Dec 16, 2009 at 6:13 AM, baphled <[email protected]>
> wrote:
> >
> > >>> This seems to be a relatively new issue, though I have not tried to
> > >>> convert from CSS to SASS in a few months. When ever I try now get the
> > >>> following error:
> >
> > >>> /Library/Ruby/Gems/1.8/gems/haml-2.2.15/lib/sass/css.rb:75:in
> > >>> `initialize': can't convert nil into String (TypeError)
> > >>>        from
> /Library/Ruby/Gems/1.8/gems/haml-2.2.15/lib/sass/css.rb:75:in
> > >>> `new'
> > >>>        from
> /Library/Ruby/Gems/1.8/gems/haml-2.2.15/lib/sass/css.rb:75:in
> > >>> `initialize'
> > >>>        from -e:1:in `new'
> > >>>        from -e:1
> >
> > >>> Here's a list of all the gems I have installed:
> > >>> actionmailer (2.3.5, 2.3.4, 2.3.2, 2.2.2, 1.3.6)
> > >>> actionpack (2.3.5, 2.3.4, 2.3.2, 2.2.2, 1.13.6)
> > >>> actionwebservice (1.2.6)
> > >>> activerecord (2.3.5, 2.3.4, 2.3.2, 2.2.2, 1.15.6)
> > >>> activeresource (2.3.5, 2.3.4, 2.3.2, 2.2.2)
> > >>> activesupport (2.3.5, 2.3.4, 2.3.2, 2.2.2, 1.4.4)
> > >>> acts_as_ferret (0.4.4, 0.4.3)
> > >>> builder (2.1.2)
> > >>> capistrano (2.5.10, 2.5.2)
> > >>> cgi_multipart_eof_fix (2.5.0)
> > >>> compass (0.8.17)
> > >>> cucumber (0.4.4)
> > >>> daemons (1.0.10)
> > >>> diff-lcs (1.1.2)
> > >>> dnssd (1.3.1, 0.6.0)
> > >>> fastthread (1.0.7, 1.0.1)
> > >>> fcgi (0.8.8, 0.8.7)
> > >>> ferret (0.11.6)
> > >>> gem_plugin (0.2.3)
> > >>> haml (2.2.15)
> > >>> highline (1.5.1, 1.5.0)
> > >>> hpricot (0.8.2, 0.6.164)
> > >>> justinfrench-formtastic (0.2.4)
> > >>> libxml-ruby (1.1.3, 1.1.2)
> > >>> mongrel (1.1.5)
> > >>> mysql (2.8.1, 2.7)
> > >>> needle (1.3.0)
> > >>> net-scp (1.0.2, 1.0.1)
> > >>> net-sftp (2.0.4, 2.0.1, 1.1.1)
> > >>> net-ssh (2.0.17, 2.0.16, 2.0.4, 1.1.4)
> > >>> net-ssh-gateway (1.0.1, 1.0.0)
> > >>> nokogiri (1.4.1, 1.4.0)
> > >>> polyglot (0.2.9)
> > >>> rack (1.0.1)
> > >>> rails (2.3.5, 2.3.2, 2.2.2, 1.2.6)
> > >>> rake (0.8.7, 0.8.3)
> > >>> RedCloth (4.2.2, 4.1.1)
> > >>> rspec (1.2.9)
> > >>> rspec-rails (1.2.9)
> > >>> ruby-openid (2.1.7, 2.1.2)
> > >>> ruby-yadis (0.3.4)
> > >>> rubygems-update (1.3.5)
> > >>> rubynode (0.1.5)
> > >>> sqlite3-ruby (1.2.5, 1.2.4)
> > >>> term-ansicolor (1.0.4)
> > >>> termios (0.9.4)
> > >>> treetop (1.4.3, 1.4.2)
> > >>> webrat (0.6.0)
> > >>> xmpp4r (0.5, 0.4)
> > >>> ZenTest (4.2.1, 4.1.4)
> >
> > >>> Any guidance would be greatly appreciated.
> >
> > >>> --
> >
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