Add config option to specific command runner in git hook scripts.

CONFIG.md

@@ -706,9 +706,12 @@ task. This version, specifically invoked by `validate:staged` attempts to
 minimize the number of files scanned by checking only those that have changed
 since the last successful commit.
 
-#### Configuring Additional Tasks
+#### Configuring Git Hooks
 
-**config.git.hooks**: An array of grunt tasks to run on pre-commit.
+**config.git.hooks**: An array of grunt tasks to run on pre-commit in addition to `validate:staged`.
+
+**config.git.hook-command**: A substitute for a simple `grunt` command to handle the individual grunt tasks.
+Allows specification of more complex bin paths or execution wrappers such as `time` or `docker-compose`.
 
 #### Overriding a Commit Rejection
 

tasks/git.js

@@ -25,6 +25,9 @@ module.exports = function(grunt) {
 
     // Githooks task may be configured via Gruntconfig.
     grunt.config('githooks', {
+      options: {
+        command: grunt.config('config.git.hook-command') || 'grunt'
+      },
       gdt: {
         'pre-commit': _.unique(tasks).join(' ')
       }