8+ Git 使い方 Article

Gitリモートレポジトリ作成をAnsibleで自動化する from kapibara-sos.net

Introduction

In this digital age, version control is a crucial part of modern software development. Git, a distributed version control system, has become the most widely used tool in the industry. It allows developers to collaborate, track changes, and manage code effectively. If you are new to Git, this article will provide you with an overview of its basic functionality and how to use it effectively.

What is Git?

Git is a powerful and sophisticated version control system that was developed to manage the Linux kernel. It is an open-source tool that is designed to help developers manage their code, track changes, and collaborate with others. Git is distributed, meaning that every developer has a local copy of the repository, making it easy to work offline and merge changes.

Installing Git

Before you can start using Git, you need to install it on your computer. Git is available on all major platforms, including Windows, Mac, and Linux. You can download the latest version of Git from the official website and follow the installation instructions.

Creating a Repository

Once you have installed Git, you can create a new repository. A repository is a folder on your computer that contains all the files and directories that make up your project. To create a new repository, open the terminal and navigate to the directory where you want to create the repository. Then, type the following command:

$ git init

This command will create a new Git repository in the current directory.

Adding Files to the Repository

After creating a repository, you can start adding files to it. To add files to the repository, use the following command:

$ git add filename

This command will stage the file, which means that it is ready to be committed. You can also use the following command to stage all the files in the directory:

$ git add .

Committing Changes

Once you have staged the files, you can commit the changes. A commit is a snapshot of the repository at a specific point in time. To commit the changes, use the following command:

$ git commit -m "commit message"

The commit message should be descriptive and explain what changes you have made.

Branching

In Git, branching is a powerful feature that allows you to create a new line of development without affecting the main branch. To create a new branch, use the following command:

$ git branch branchname

This command will create a new branch with the specified name. You can switch to the new branch using the following command:

$ git checkout branchname

Merging Branches

After you have made changes to the new branch, you can merge it back to the main branch. To merge branches, use the following command:

$ git merge branchname

This command will merge the changes from the specified branch to the current branch.

Pushing Changes

Once you have made changes to the repository, you can push them to a remote repository. A remote repository is a copy of the repository that is stored on a remote server. To push changes to a remote repository, use the following command:

$ git push origin master

This command will push the changes to the master branch of the remote repository.

Pulling Changes

To get the latest changes from a remote repository, use the following command:

$ git pull origin master

This command will fetch the changes from the remote repository and merge them with the local repository.

Conclusion

In this article, we have covered the basics of Git and how to use it effectively. Git is a powerful and versatile tool that can help you manage your code, collaborate with others, and track changes. With these basic concepts, you can start using Git in your projects and take advantage of its many features.