TiddlyWiki for Firefox is an add-on that enables http://tiddlywiki.com to save changes directly to the filing system.
If you are an end user then you don't need to use this repository; you should install the latest released version of TiddlyWiki for Firefox via the Mozilla Add-on library:
https://addons.mozilla.org/en-US/firefox/addon/tiddlyfox/
Install jpm as described in the Firefox Add-on SDK:
https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/jpm
To debug TiddlyWiki for Firefox within a clean instance of Firefox:
cd {tiddlywiki for firefox directory}
jpm run
To use Firefox Developer Edition:
cd {tiddlywiki for firefox directory}
jpm run -b "/Applications/FirefoxDeveloperEdition.app/Contents/MacOS/firefox"
To build the TiddlyWiki for Firefox XPI file:
cd {tiddlywiki for firefox directory}
jpm xpi