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Compute approximate development time spent on a project, using logs from version control system.

grunt-tankipas is the new version of grunt-elapsed, which will be deleted soon.

How it works ?

grunt-tankipas, according to the options used, read the logs of the current working directory's version control system and computes the difference between each commit timestamp.
As the resulting time can't reflect the reality, grunt-tankipas use a gap option, a number of minutes above wich the time between two commits is ignored.

Getting Started

This plugin requires Grunt ~0.4.5

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-tankipas --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:


The "tankipas" task


In your project's Gruntfile, add a section named tankipas to the data object passed into grunt.initConfig().

  tankipas: {
    options: {
      // Task-specific options go here. 
    your_target: {
      // Target-specific options go here. 

The "tankipas" task is coded to be used as MultiTask or as a simple task : if you don't define it in your grunt config, calling grunt tankipas will use the default options.


Tankipas don't expect path for source, as it will look the logs for the current project's version control system logs to work.



Type: String
Default value: if no value is given, grunt-tankipas will try to guess the current version control system

Force the version control system to use for the current directory's analysis.

For now, grunt-tankipas supports git and mercurial systems.

Type: Number
Default value: 120

grunt-tankipas compute his result by sum all the time between commits. As you can't pretend working 24h/day (I tried, it's hard, after 3 days), grunt-tankipas ignore the time between commits separed by more than the given gap option. By default, the gap is 120 (minutes).


Type: String Default value: null

If you work as a team, you can be interested to filters the commits and compute the time of only one user, which you can precise with the user option.


Type: String Default value: null

You can filters the commits and compute the time of only one branch, which you can precise with the branch option.


Type: String Default value: null

The result will be computed since the given commit reference, instead of the beginning of the project.


Type: Boolean
Default value: false

By default, grunt-tankipas outputs his result in a human-readable format. If you want to use the result with another tool, the raw option will output results as an amount of seconds.

Usage Examples

Default Options

In this example, the default options are used to show in the console the amount of time spent on the project.

  tankipas: {}

Custom Options

In this example, custom options are used to show in the console the amount of time spent on the project by the user "Leny", as a raw number of seconds. The commit spaced in time by more than 10 minutes are ignored. The project is known to used mercurial version control system, so we indicate it in the options.

  tankipas: {
      gap: 10,
      user: "Leny",
      system: "mercurial",
      raw: true


In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

Release History

  • 2014/07/03 : v0.1.0


Copyright (c) 2014 Leny
Licensed under the MIT license.