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  • Book Overview & Buying Drush for Developers - Second Edition
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Drush for Developers - Second Edition

Drush for Developers - Second Edition

By : Juan Pablo Novillo Requena, Juan P Novillo Requena
4.5 (6)
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Drush for Developers - Second Edition

Drush for Developers - Second Edition

4.5 (6)
By: Juan Pablo Novillo Requena, Juan P Novillo Requena
Buy this Book

Overview of this book

This book is a best fit for backend developers with a basic knowledge of Drupal's APIs and some experience using the command line. Perhaps you already worked on one or two Drupal projects, but have never dived deep into Drush's toolset. In any case, this book will give you a lot of advice by covering real-world challenges in Drupal projects that can be solved using Drush.
Table of Contents (8 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Introduction, Installation, and Basic Usage
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1. Introduction, Installation, and Basic Usage
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Installation requirements
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The Drush command structure
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Understanding Drush's context system
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Setting the context manually
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Summary
2
2. Keeping Database Configuration and Code Together
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2. Keeping Database Configuration and Code Together
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Meeting the update path
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Summary
3
3. Running and Monitoring Tasks in Drupal Projects
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3. Running and Monitoring Tasks in Drupal Projects
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Running periodic tasks with cron
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Running a task outside cron
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Running long tasks in batches
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Evaluating code on the fly and running scripts
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Logging messages in Drush
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Redirecting Drush output into a file
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Running a command in the background
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Summary
4
4. Error Handling and Debugging
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4. Error Handling and Debugging
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Validating input
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Rolling back when an error happens
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Browsing hook implementations
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Inspecting the bootstrapping process
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Inspecting hook and function implementations
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Summary
5
5. Managing Local and Remote Environments
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5. Managing Local and Remote Environments
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Managing local environments
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Managing remote environments
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Special site aliases
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Adding site alias support to the update path
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Copying database and files between environments
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Summary
6
6. Setting Up a Development Workflow
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6. Setting Up a Development Workflow
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Moving configuration, commands, and site aliases out of Drupal
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Configuring the development database for the team
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Running post sql-sync tasks in local environments
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Summary
7
Index
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Index

Browsing hook implementations

So far, we saw some hooks that Drush supports before and after running a command. In order to discover them, Drush offers a debugging mode to view all the hooks that we can implement for a given command and check whether they were executed or not on runtime.

In the following example, we will define a very simple command that we will use to test the handy option --show-invoke, which prints all the function callbacks where Drush attempts to find a match. We will create this command under $HOME/.drush/testhooks.drush.inc, which makes it available for us everywhere in the command-line interface for our user:

<?php
/**
 * @file
 * Sample Drush command to test hook invocations.
 */

/**
 * Implements hook_drush_command().
 */
function testhooks_drush_command() {
  $items = array();
  $items['testhooks'] = array(
    'description' => 'Dummy command to test command invocations.',
     // No bootstrap at all.
    'bootstrap&apos...
CONTINUE READING
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Tech Concepts
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Programming languages
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Drush for Developers - Second Edition
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