Intellij Idea - Version Control


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IntelliJ supports various version control systems like Git, Subversion, Mercurial, CVS, GitHub and TFS. You can perform version control related action from the IDE itself.

In this chapter, we will discuss Git and Subversion (hereafter referred to as SVN). We assume that the reader is familiar with Git and SVN tool and its terminology.

Git

In this section, we will learn how to work with Git.

Clone

To clone an existing Git repository −

  • Navigate to File->New->Project from Version Control->Git.

  • Enter the repository URL, Parent directory and Directory name.

  • Click on the clone button to continue.

Clone Repository
  • Upon successful running of the above steps, the repository will get cloned.

Track changes

Git will track the changes that you make in repository. Let us modify any file from the repository and compare it with the repository.

  • Navigate to VCS → Git → Compare with Latest Repository Version.

  • The above step will open the diff window.

  • You can see there is a new line on the right side with green background colour.

  • Git shows it in green as we have added new contents. If we remove any contents then it’ll be shown in red colour

Track Changes

Revert local changes

Follow these steps to discard the local changes −

  • Navigate to the VCS → Git → Revert option.

  • It will ask for confirmation and remove your changes.

Revert Changes

Add file to repository

To add file to repository navigate to VCS → Git → Add option. This action is similar to the git add action.

Commit changes

The Commit operation will create local commit. It is similar to the git commit action. To perform commit −

  • Navigate to the VCS → Git → Commit File option.

  • Select files to be committed.

  • Enter commit message and click on Commit button.

Commit Changes

Push changes to the remote repository

The Push action will send local changes to the remote repository. To push changes −

  • Navigate to the VCS → Git → Push option.

  • A window will appear. Here, you can see the comitts to be pushed.

  • Verify commit and click on the Push button to publish your changes.

Push Changes

View history or logs

To show history, navigate to the VCS → Git → Show history option. This action is similar to the git log command. It will show history as follows −

View History or Logs

Get updates

Follow these steps to fetch updates from the repository −

  • Navigate to the VCS → Git → Pull option.

  • Select the option according to your requirements.

  • Click on the Pull button.

Get Updates

Add existing project to Git

To add existing project under Git −

  • Navigate to VCS → Import into Version Control → Create Git repository.

  • Select project by browsing directory.

  • Click on the OK button.

Existing Project

Subversion

In this section, we will understand how Subversion works in IntelliJ. Let us consider a few important actions to understand this.

Checkout

To checkout SVN repository −

  • Navigate to File → New → Project from Version Control → Subversion.

  • Enter repository URL.

  • Click on the OK button.

Checkout

Track changes

SVN will track changes you made in the repository. Let us modify any file from repository and compare it with repository −

  • Navigate to VCS->Subversion->Compare with Latest Repository Version

  • You can see there is new line on right side with green background colour.

  • SVN shows it in with green background to indicated the addition of new content. If we remove any content then it will be shown in red colour.

Latest Repository

Revert local changes

Follow these steps to revert the local changes you have made −

  • Navigate to the VCS → Subversion → Revert option.

  • It will ask for confirmation and remove your changes.

Remove Your Changes

Commit changes to remote repository

Follow these steps to commit changes in the remote repository −

  • Navigate to VCS → Subversion → Commit Files option.

  • A new window will appear. Here, you can see the files to be committed to remote respository.

  • Verify the files and click on the Commit button to publish your changes.

Commit Button

View history or logs

To show history, navigate to the VCS → Subverion → Show history option. This option is similar to the svn log command. It will show history as follows −

History Navigate

Update operation

To fetch latest changes navigate to VCS → Subversion → Update File/Update Folder option.

Update Operation

Add existing project to Subversion

Follow these steps to add existing project under SVN −

  • Navigate to VCS → Import into Version Control → Import into Subverion.

  • Enter the repository URL and click on the Import button −

Add Existing Project

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