Pull requests are made on git to work with a team collaboratively. In most open source projects, the contributors request for the review and acceptance of a branch, and then depending on the vitality of the code, it is either accepted into the code or not.
However, what happens when it is not merged and needs to be reverted? This is why we’ll tell you how to revert a git pull request.
Why is a Git pull request needed?
You want to avoid being in a position of reverting the pull request as often as possible, but sometimes, you just have to do it. And a lot of situations are beyond your control. So here are some of the reasons:
The pull request was accepted and merged by mistake. This ends up with the original code having a bunch of broken code.
The commits made to a branch consist of unintended changes.
The commit adds issues to the code affecting the functionality of the codebase.
A conflict occurs with a different change in the codebase, so you need to revert until a solution is found.
A new feature change was intended to be experimental but caused issues to the stability of the codebase.
The pull request was associated with a different branch, which can happen when there is a complex branch strategy
How to revert a Git pull request?
There are multiple ways you can revert a git pull request; some are safer than others. Here are some of the methods:
Creating a pull request for the revert
Whenever a revert is made, it creates one revert of the merge commit.
If you have write permissions, go ahead with the following steps:
Click on pull requests in your repository.
Select the pull request you want to revert.
Click on the revert option that you see at the right bottom.
If you don’t have write permission, request your administrator for it.
Reverse using the git revert command
The Git revert command helps you create an inverse to the introduced changes and adds a new commit with these changes.
Here are the steps:
Open your terminal and navigate to the repository where you want to revert the pull request.
Use git log to show the commit history and find the ID of the commit you want to revert.
Input the commit ID and execute the git revert command.
Provide a detailed Git commit message to clarify the reason for performing the Git revert.
This step doesn’t remove the changes made but adds changes to negate the pull request.
Reverse using git reset
The previous method altered the new reality caused by the merged unneeded pull request, but Git reset is like going back in time to change what was done.
While this might have unintended consequences, it might still be a route you can take if needed, and here is how you can do it.
Find the commit hash that you want to revert to using the git log.
Use git reset with the --hard flag and the commit hash to reset the branch to that commit—for example, git reset --hard abc123.
Force-push the changes to the remote branch using git push -f.
How Does the Pull Request Process Differ Across Various Platforms?
Understanding how pull requests (PRs) operate on different source code management platforms—such as GitHub, GitLab, Bitbucket, and Azure DevOps—can significantly impact a team's workflow and efficiency. Each platform offers a unique experience when it comes to handling pull requests, though they all aim to facilitate collaborative coding.
1. GitHub
Branching and Creating a PR: GitHub users typically start by creating a separate branch off the main branch. Once code changes are complete, a pull request is initiated with a brief title and description.
Review and Discussion: GitHub emphasizes collaboration. Team members can review, comment on, and even suggest changes directly in the interface.
Merging: After approvals, team members can merge the changes into the main branch, with options to squash or rebase changes if necessary.
2. GitLab
Merge Requests: In GitLab, the term "merge request" is preferred. The process begins similarly with local branching and committing.
Enhanced Pipelines: GitLab is known for its strong integration with CI/CD, allowing extensive testing to occur automatically once a merge request is created.
Approval Processes: GitLab's robust approval settings let teams require reviews from multiple team members before merging.
3. Bitbucket
Pull Requests and Branching: Bitbucket encourages a workflow that begins with branching, akin to GitHub and GitLab.
Automated Merging: This platform allows for automatic merging after all reviews are approved, streamlining the process.
4. Azure DevOps
Comprehensive Integration: Azure DevOps stands out with its seamless integration with other Azure services, offering a unified workflow for project management and development.
Required Reviews and Policies: Teams can set policies to automatically enforce code reviews, ensuring that every pull request undergoes a structured review process.
Advanced Merge Strategies: Azure DevOps supports various merge strategies, providing flexibility based on the project's needs.
Key Differences
While the core workflow of branching, making changes, and merging remains consistent, differences lie in integration capabilities, user interface, and review processes:
Integration with Other Tools: Platforms like GitLab and Azure DevOps shine with their CI/CD capabilities, directly impacting the PR workflow.
User Interface: GitHub is renowned for its user-friendly interface, whereas Azure DevOps provides a more integrated environment for larger organizational needs.
Automation and Review Policies: Bitbucket and Azure DevOps offer automated processes to streamline approvals, enhancing productivity and reducing manual oversight.
In conclusion, while the fundamental concept of pull requests remains consistent, the nuances across platforms can greatly affect how teams collaborate and manage code. Understanding these differences can help organizations choose the best tool for their development needs.
Undo your pull requests but be smart about it
Pull requests are an integral part of working collaboratively, and merging them by mistake or without enough review can cause many issues to the codebase. Then reverting this process can have other consequences you want to avoid. Therefore, have an internal process to merge pull requests. Ensure everybody is on board with the code reviews needed for the process and a checklist to denote when a merge is acceptable.
We at Typo can help you improve your engineering processes and deploy quality code faster. You can quickly get started with our tool on Git for a seamless experience.
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