How to pull other people's code with git

In the field of software development, Git is a widely used version control tool. Its emergence makes team cooperation and development possible, providing great convenience to the open source community and developers. For newbies, the most common question is how to pull other people's code. In this article, we will detail the steps on how to use Git to pull other people's code.

Step One: Install Git

First, we need to make sure that Git is installed on our computer. The method is to open the terminal/command line and enter the following command:

git --version

If you have already installed Git, you will see output similar to the following:

git version 2.17.2

If you have not installed Git, you need to first Download the installer from the official website. Download page link: https://git-scm.com/downloads

Step 2: Clone the project

Before you start pulling other people’s code, you need to know his Git repository address. Git warehouse addresses usually end with .git, for example:

https://github.com/zhangsan/my-project.git

In the command line, enter the following command to clone the project locally:

git clone https://github.com/zhangsan/my-project.git

This command will create a file named is the folder of my-project, and download the code in the warehouse to this folder.

If you already have a local copy of the project, you can use the git pull command to update the local code base.

cd my-project
git pull

Step 3: View the branch

In Git, each developer can create his own development branch for development. These branches exist in the Git repository. Before pulling other people's code, you need to know all the branches in the remote warehouse. In the command line, enter the following command to view all branches:

git branch -r

This command will return a result similar to the following:

origin/master
origin/feature-a

Among them, origin represents the remote warehouse. master is the main branch, and feature-a is the development branch created by a developer.

Step 4: Switch branches

Normally, we need to pull the code of the branch we need. Use the git checkout command to switch branches. For example, if we need to pull the code of the feature-a branch, we need to first switch the current branch to feature-a:

git checkout feature-a

After the switch is successful, the terminal will display Information similar to the following:

Switched to branch 'feature-a'

Step 5: Pull the code

Now, you have successfully switched to a branch of the remote warehouse. Next, you need to pull the code of this branch locally. You can use the git pull command to pull.

git pull

This command is used to pull updates from the remote warehouse to your local warehouse. If there is new code in the remote repository, the latest code will be downloaded to your local repository. If there are changes in the local repository, you need to commit the local changes first and push them to the remote repository before you can successfully pull other people's code.

Step 6: Submit changes

If you need to modify other people's code, you need to fork the project first, then make changes in your own fork project, and push to your own remote In the warehouse. Next, you can submit a pull request to others to review your code and merge it into the original project.

If you are not a contributor to the project, you need to request permission from the warehouse administrator to submit.

Summary

Through the above six steps, we can easily pull other people’s code. Git brings us many conveniences, making development projects more efficient and interesting. If you want to learn more about Git, you can refer to the official documentation or participate in corresponding discussions and seminars in the community.

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