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POPlay 2.0.2-RC2: Less compiler not working for me (Twitter Bootstrap)
 

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  1. POPlay 2.0.2-RC2: Less compiler not working for me (Twitter Bootstrap)
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    <h1>Goal</h1> <p>My goal is to to get Twitter Bootstrap to worth with my Play 2.x scala project. Because i can't get it to wrok i decided to start an empty project to see if i can get the hang of 'less'. Now thats where i'm stuck, as i can't seem to get 'less' to compile/do anything!</p> <h2>Simple reproduction in an empty project</h2> <ul> <li>Downloaded <a href="http://www.playframework.org/download" rel="nofollow noreferrer">http://www.playframework.org/download</a> play-2.0.2-RC2.zip and extracted that to my debian linux box. (Why play-2.0.2-RC2? Because the 'less' version in there is compatible with the latest twitter bootstrap as mentioned <a href="https://groups.google.com/forum/?fromgroups#!searchin/play-framework/less$20doesnt$20work/play-framework/PjBzAQm65Sw/tSeZkq7yKeMJ" rel="nofollow noreferrer">here</a>.)</li> <li>Created a new play project <code>play new zzz</code> (zzz=name of the test project).</li> <li>Went to <code>zzz/public/stylesheets</code> and added a file named <code>q.less</code> (its content is the first example on this page <a href="http://lesscss.org/" rel="nofollow noreferrer">http://lesscss.org/</a>, simple variable name usage).</li> <li>Because i'm testing a lot i each time type: <code>play clean-all</code> in the commandline before each new test/Build.scala/etc file change.</li> <li>Started <code>play</code> and typed: <ul> <li><code>reload</code> (don't really know why)</li> <li><code>compile</code> (as per: <a href="http://www.playframework.org/documentation/2.0.1/AssetsLess" rel="nofollow noreferrer">http://www.playframework.org/documentation/2.0.1/AssetsLess</a>)</li> <li>(*) See below</li> <li>i ctrl+d'ed out of play and typed: <code>find . -name *.css</code> and it doesn't show me my 'q.css' anywhere.</li> </ul></li> </ul> <h3>The plot thickens</h3> <p>Now after reading a <a href="https://groups.google.com/forum/?fromgroups#!searchin/play-framework/nilanjan$20play$20compile/play-framework/Qtb3XTn2nJ8/6ZxsXQe3IA8J" rel="nofollow noreferrer">a message on google groups</a> i spotted two things:</p> <ol> <li>He hinted the less compiler in Build.scala to only build certain files. Which isn't a problem for my empty 'zzz' test project (as it doesnt have partial twitter bootstrap less files), but i added these lines nevertheless to test: <code>lessEntryPoints &lt;&lt;= baseDirectory(_ / "app" / "assets" / "stylesheets" ** "q.less")</code>. <ul> <li>Note: if i type <code>play-less-entry-points</code> in the play console i get two empty lines just stating '[info]' ... nothing more. Something wrong there?</li> </ul></li> <li>He (and someone else) mentioned the play commands <code>play-copy-assets</code> and <code>copy-resources</code>. I entered these commands at the above replication step at '(*)'. Same result, no css files.</li> </ol> <h2>Edit: my 'target' directory listing</h2> <p>My target directory listing after testing the above, and before i 'reset' it with a <code>play clean-all</code> in the command line looks like this:</p> <pre><code>cache classes classes_managed src_managed </code></pre> <p>It doesn't have the mentioned 'resource_managed' directory. Is there a log / verbose mode i can see if the less compilere is called at all. Perhaps there is a less syntax error in my test file? I just dont know anymore :).</p> <h2>Perhaps related, but not important for my question?</h2> <p>Perhaps related and might help me understand it ... but: <a href="https://github.com/playframework/Play20/wiki/Tips" rel="nofollow noreferrer">The official 'site'</a> mentions the use of a double '**' in the <code>lessEntryPoints</code> lines. <a href="https://stackoverflow.com/questions/10436815/how-to-use-twitter-bootstrap-2-with-play-framework-2-0">Here on stackoverflow</a> uses one '*' and <a href="https://groups.google.com/forum/?fromgroups#!searchin/play-framework/nilanjan$20play$20compile/play-framework/Qtb3XTn2nJ8/6ZxsXQe3IA8J" rel="nofollow noreferrer">the message on google groups</a> doesn't even use it. How does that work? </p> <h1>My question</h1> <p>I'd like to understand what i'm doing 'wrong' here. With that knowledge i'm sure i'm able to get twitter bootstrap into my play project.</p>
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