What is a PR?

Learn that a pull request is a code review flow.

What is a pull request?

A pull request (PR) is a GitHub feature that proposes bringing changes from one branch into another, usually the main branch. When a PR is opened, team members can review the code, discuss changes, and decide whether to merge them. This process is called a code review.

feature-login  ---- PR ---->  main

A pull request is not a local Git command; it is a collaboration feature provided by platforms such as GitHub.

Source and target branches

When creating a PR, the source branch contains the changes. The target branch is where those changes are proposed to be added. For example, feature-login can be the source branch and main the target branch.

Base: main
Compare: feature-login

GitHub displays the commit and file differences between these branches to make review easier. Similar workflows are called merge requests on platforms such as GitLab.

Exercise Define the PR direction

Write two lines defining feature-login as the source branch and main as the target branch for a pull request. Show the source branch in Compare and the target branch in Base.

Show example solution

# Hedef dal
Base: main

# Kaynak dal
Compare: feature-login

Test yourself

What is the main purpose of a pull request?
- To download a remote repository to a computer
- To submit code changes for review and merging
- To delete all commits in the local repository
- To change Git user information
Show answer

To submit code changes for review and merging — A pull request allows changes from one branch to be reviewed and evaluated before they are brought into the target branch.
Set the PR target branch
```
Base: ____
```
Show answer
```
Base: main
```
Pull request concepts

Pull request

Proposal to merge changes
Code review

Team review of code
Source branch

Branch containing the changes
Target branch

Branch receiving the changes

Next lesson: Opening a PR

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