Beginning Drupal 8

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Chapter 16 ■ Using Git Git recognized the changes to test.txt. We can now add the modified version of test.txt and commit it using git add test.txt and git commit –m "modified test.txt". After committing, use the git log command to see the history of the commits to your repository. You should see two commits for the file you committed that look similar to the following: commit d4c24ca1854e53676178141be86246b1a3cb0a1a Author: Todd Tomlinson Date: Wed Mar 19 08:27:10 2014 -0700 modified test.txt commit 39b5859fa70d1aafacd5c04d7695e715fdfd6bd6 Author: Todd Tomlinson Date: Wed Mar 19 08:23:04 2014 -0700 committing the initial version of test.txt to the repository You’ll see in the previous listing that there are two different commit IDs. If you needed to revert test.txt to its initial state, you could do so by using the initial commit ID. The command for reverting to a previous commit is git revert . To revert my changes to test.txt, I would use the first commit ID, the one ending in bd6: git revert 39b5859fa70d1aafacd5c04d7695e715fdfd6bd6 After reverting and checking my test.txt file, I can see that the file is back to its original state before I made changes to it. Whew! You now have enough basic information to set up your local Git repository and store your changes, but all your changes are stored locally on your laptop, desktop, or server, and often you may want to enable others to view and/or make changes to your repository. There are several solutions for providing access to your Git repository, including one of the more popular solutions, GitHub, which is the one I will introduce you to in this chapter. Using GitHub Using GitHub enables you to share your Git repositories with others and facilitates situations where you’re doing development on your laptop or desktop and your site resides on a remote server. In either of these scenarios, GitHub provides an environment that is accessible over the Internet, and if you’re okay with the general public having access to your repositories, the service is free. For a small monthly fee you can upgrade to a GitHub account that provides private repositories that are only accessible to those who you have granted access rights to. For demonstration purposes, we’ll use the free version of GitHub. If you do not already have an account, visit https://github.com and sign up for a new account. After setting up your account, the first step is to create a repository. On your GitHub landing page (once you’ve logged on), you’ll see one or more links and buttons to create a repository. Click one of the links and you’ll see a page similar to Figure 16-1. 180
Chapter 16 ■ Using Git Figure 16-1. Creating a new GitHub repository To create a repository, enter a name in the “Repository name” field, enter a description in the Description field, and in the “Add .gitignore” select list, choose Drupal. A .gitignore file contains the names of files that you want Git to not track. In the case of Drupal, there are local configuration files such as settings.php that are specific to the local environment where the site is running. By ignoring settings.php you’ll save the steps of having to modify items such as the database settings every time you pull from the master repository. With the repository created on GitHub, the next step is to push your local repository up to GitHub. On the GitHub page for your repository, you’ll see a clone URL listed in the right column of the page. Copy that URL, as you are going to need it to push your local repository up to GitHub. The first step in the process is to set up the GitHub connection on your local machine. From within the root directory of your Drupal 8 site, use the following command to add a reference to your remote GitHub repository, remembering to paste the clone URL in place of : git remote add origin Once you’ve added the remote repository, the next step is to pull down any changes that exist on GitHub that don’t exist locally, before attempting to push your local repository to GitHub. If you do try to push changes to GitHub and there are remote changes that don’t exist locally, Git will tell you that your branch is behind and you have to first pull down the changes. Since we added a .gitignore file on GitHub, the remote repository does have changes that our local copy of the site does not. So to fix that, use the following: git pull origin master 181
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Beginning Drupal 8 Todd Tomlinson
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There are so many people to thank f
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■ Contents at a Glance ■Chapter
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■ Contents Authoring Information
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■ Contents ■Chapter ■ 8: Drup
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■ Contents ■Chapter ■ 13: Mul
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■ Contents Updating the Article C
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■ Contents Moving the Drupal Dist
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About the Technical Reviewer Clive
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Introduction In its relatively shor
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Chapter 1 ■ Introduction to Drupa
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Chapter 2 Creating and Managing Con
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Chapter 2 ■ Creating and Managing
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Chapter 3 Creating and Managing Use
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Chapter 4 ■ Taxonomy “individua
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Chapter 4 ■ Taxonomy Figure 4-3.
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Chapter 4 ■ Taxonomy Clicking the
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Chapter 4 ■ Taxonomy If you happe
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Chapter 5 ■ Content Types • Hav
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Chapter 6 ■ Using Drupal Themes S
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Chapter 6 ■ Using Drupal Themes F
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Chapter 6 ■ Using Drupal Themes O
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Chapter 6 ■ Using Drupal Themes F
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Chapter 7 ■ Creating Menus Figure
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Chapter 7 ■ Creating Menus Clicki
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Chapter 7 ■ Creating Menus At thi
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Chapter 7 ■ Creating Menus Click
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Chapter 8 ■ Drupal Blocks Figure
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Chapter 8 ■ Drupal Blocks Using B
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Chapter 9 ■ Views Figure 9-1. Ver
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Chapter 9 ■ Views 4. The Show par
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Chapter 9 ■ Views 6. In the Filte
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Chapter 10 ■ Creating Pages Figur
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Chapter 10 ■ Creating Pages We ca
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Chapter 10 ■ Creating Pages 6. Th
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Chapter 21 ■ Building a Community
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Chapter 22 ■ Building a Commerce
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Appendix A ■ Installing Drupal Se
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Appendix A ■ Installing Drupal Ne
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Appendix A ■ Installing Drupal Co
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Appendix A ■ Installing Drupal Fi
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Appendix B Additional Resources As
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Video Tutorials Appendix B ■ Addi
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■ index Blog site (cont.) theme,
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■ index Drupal users groups (cont
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■ index • S Security patches,
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