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Overview

gradle-el is a package that makes it easy to work with Gradle build automation tool.

It has gradle task discovery and caching support, and integrates with various project root management libraries.

Installation

  1. download gradle-el package.

  2. Either copy gradle.el from this package to a directory that is in your load-path, or modify your load-path to include the directory containing gradle.el by adding the following to your emacs startup file.

     (add-to-list 'load-path (expand-file-name "/path-to/<gradle-el>"))
    
  3. Load gradle-el by adding the following to your emacs startup file:

     (require 'gradle)
    

Configuration

There are only a handful of customizable items you can modify. You can access them by typing M-x customize-group and entering gradle. The settings you can modify are:

  1. Gradle Executable: This is the name of the gradle executable. If this file is in your exec-path, you don't need to modif it. Otherwise, you will need to enter the full path to the gradle executable here.

    Default value is gradle.

  2. Gradle Auto Discover Tasks: If you set this to true, when you execute gradle-run the first time in a directory, gradle-el will automatically run gradle to discover the possible tasks you can use and cache the results. This is a relatively slow operation, so you may want to disable the automatic discovery by toggling this option off. When it is off, you can still cache the tasks by executing gradle-discover-tasks.

    Default value is on.

  3. Gradle Execute in Project Root Function: This setting can be used to select from a variety of project root discovery packages. There are four options for directly supported methods. Alternatively, you can provide a function name that will execute a given function after changing to the project root.

    The four supported methods are:

    • Use current directory: If you select this option, gradle will be executed in the same directory as the edited file.
    • Use eclim: Discover the project root of edited file using eclim. You would want to select this if you are using emacs-eclim for managing your projects.
    • Use Project-root: Discover the project root of edited file using project-root.el. You should select this if you use project-root.el package.
    • Use eproject: Discover the project root of edited file using eproject.el. You should select this if you use eproject.el package.

    If you are using some other project management package, or if you want to do more complex processing, say choosing a package depending on the directory you are in, you can provde the name of another function for this item. The function would look something like:

     (defun with-my-project-root (func)
       (let ((default-directory (discover-project-root-using-my-method)))
         (funcall func)))
    

Usage

When you need to run gradle, execute gradle-run, then enter the command line options. You can use the <TAB> key to complete task names here if they are cached.

If you want to update the task name cache, you need to execute gradle-discover-tasks.

Contributing

Feel free to fork the project on github, make modifications or bugfixes, and issue a pull request.

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An emacs project to run gradle tasks from within emacs.

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