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Loggerhead is a web viewer for bazaar branches. It can be used to navigate
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a branch history, annotate files, perform searches... all the usual things.
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This is a TurboGears (http://www.turbogears.org) project. It can be
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started by running the 'start-loggerhead.py' script.
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If you're not familiar with turbogears, the easiest way to get this script
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started is to run it via::
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$ nohup ./start-loggerhead.py &
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and add the following lines to your apache configuration::
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<Location "/bzr.dev/">
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[ Version 1.6 for Bazaar 1.6 ]
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Loggerhead is a web viewer for Bazaar branches. It can be used to
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navigate a branch history, annotate files, perform searches... all the
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Loggerhead depends on SimpleTAL for templating and Paste for the
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server. So you need these installed -- on Ubuntu you want the
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'python-simpletal' and 'python-paste' packages installed. You need
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version 1.2 or newer of Paste.
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Then simply run the 'serve-branches' with the branch you want to
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serve on the command line:
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./serve-branches ~/path/to/branch
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The script listens on port 8080 so head to http://localhost:8080/ in
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your browser to see the branch. You can also pass a directory that
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contains branches to the script, and it will serve a very simple
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directory listing at other pages.
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You may update the Bazaar branches being viewed at any time.
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Loggerhead will notice and refresh, and Bazaar uses its own branch
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locking to prevent corruption.
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Previous versions of Loggerhead read their configuration from a config
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file. This mode of operation is still supported by the
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'start-loggerhead' script. A 'loggerhead.conf.example' file is
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included in the source which has comments explaining the various
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Loggerhead can then be started by running::
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This will run loggerhead in the background, listening on port 8080 by
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To stop Loggerhead, run::
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In the configuration file you can configure projects, and branches per
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project. The idea is that you could be publishing several (possibly
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unrelated) projects through the same loggerhead instance, and several
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branches for the same project. See the "loggerhead.conf.example" file
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included with the source.
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A debug and access log are stored in the logs/ folder, relative to
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the location of the start-loggerhead script.
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SERVING LOGGERHEAD FROM BEHIND APACHE
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-------------------------------------
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If you want to view Bazaar branches from your existing Apache
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installation, you'll need to configure Apache to proxy certain
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requests to Loggerhead. Adding lines like this to you Apache
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configuration is one way to do this::
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<Location "/branches/">
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ProxyPass http://127.0.0.1:8080/
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ProxyPassReverse http://127.0.0.1:8080/
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The port configuration is in "dev.cfg".
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The config file is "loggerhead.conf". Currently it can only serve one
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branch at a time, but in the future I plan to add support for serving
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multiple branches at once.
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To speed up most operations, loggerhead will start creating two caches
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when it first launches:
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- a revision data cache
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- a text searching cache
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You can put the cache folder anywhere, but I find that a folder under
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the branch's .bzr/ folder is the simplest place.
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The caches for a branch with 10,000 revisions take about 15 minutes each
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on my machine, but YMMV. Once they are built, they update every six hours
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or so but usually finish quickly (or instantly). Until the revision cache
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is built, all operations will be slow.
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You may update the bazaar branch at any time (for example, from a cron).
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Loggerhead will notice and refresh, and bazaar uses its own branch locking
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to prevent corruption.
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If Paste Deploy is installed, the 'serve-branches' script can be
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run behind a proxy at the root of a site, but if you're running it at
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some path into the site, you'll need to add a 'prefix' argument to the
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PrefixMiddleware call in the script. More flexible configuration
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should be added soon...
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To speed up the display of the changelog view for large trees,
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loggerhead can be configured to cache the files changes between
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revisions. Set the 'cachepath' value in the config file.
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This is loosely based on bazaar-webserve, which was loosely based on hgweb.
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Discussion should take place on the bazaar-dev mailing list.
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Loggerhead is loosely based on bazaar-webserve, which was loosely
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based on hgweb. Discussion should take place on the bazaar-dev
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mailing list at bazaar@lists.canonical.com. You can join the list at
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<https://lists.ubuntu.com/mailman/listinfo/bazaar>. You don't need to
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subscribe to post, but your first post will be held briefly for manual
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Bugs are tracked on Launchpad; start at:
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https://bugs.launchpad.net/loggerhead
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README.txt
