An ebuild for repodoc-web

28 Jun 2006

At long last, I have managed to create an ebuild for the repodoc web service and its sample client. This should help all interested Gentoo devs in installing it and giving us feedback. If your overlay is located at /usr/local/portage, you must first build the Manifest: ebuild /usr/local/portage/www-apps/repodoc-web-0.0.1_alpha.ebuild digest. After that, emerge repodoc-web should do the trick.

But that’s not all. As the post-install instructions say, you must do two more things before you can start using the service.

  1. Change the first 2 define lines in validate/index.php:
<?php
define('HTDOCS', '/path/to/htdocs');
define('REPODOC', '/path/to/repodoc/executable');
?>
  1. Please note that the service will work well only with the latest GIT checkout of repodoc from Ferdy’s repository. The repodoc-0.0.1_beta ebuild will still work, although the output may not be as predicted as there are module changes between the ebuild and GIT versions.

  2. You need to create the /.repodoc directory and assign its ownership to the web server (usually ‘apache’ or ‘nobody’). This step could not be included in the ebuild because of access violations. This is strictly a repodoc requirement and not related to the web-service. The repodoc team and myself will be working on a solution for this soon.

Once you’ve done these two steps, you may access the client at http://localhost/repodoc-web. Select a GuideXML file and click on Validate to get a tabulated result of the validation.

Now, I’d like to point out that the system is far from perfect. There are two basic issues that I need to tackle:

  1. Eliminating the modify define lines’ step since webapp.eclass knows the location of htdocs. Also repodoc is usually at /usr/bin/repodoc, but this is not entirely true if you’re not using the ebuild and just the GIT version.

  2. Error Handling for non GuideXML files. Trying to validate a non GuideXML file will result in a non-helpful error message. Proper handling is necessary here.

Well, of course these aren’t the only flaws, so I’d love to hear about what you have to say about everything!

Building the ebuild was quite tricky, considering this is the first one I’ve made. The webapp and depend.php eclasses made things a little easier. The webapp eclass was nicely documented, and looking at other ebuilds like phpmyadmin or tikiwiki also helped quite a bit.

On other news, I was frantically trying to finalize on a particular AJAX toolkit. After further discussion with Stuart, who very kindly let me make the choice, it looks like we’ll go with Dojo. Although I’m not entirely sure yet. I’ve seen better eye-candy with Echo2, another Java based toolkit. Also, GWT is out because of licensing problems. Apparently, the license states that:

“You may not distribute Google Web Toolkit Development Tools or any services or software associated with or derived from them, or modify, copy, license, or create derivative works from Google Web Toolkit Development Tools, unless you obtain Google’s written permission in advance.”

Quite a day, I’m still undecided on the toolkit, but atleast I can sleep with the comfort of having written my first ebuild. Go Gentoo!