Incorporate changes from one branch into another.
In software development, teams often work on new features or bug fixes in isolated branches. Once the work is complete and tested, it's important to integrate these changes back into the main codebase. Merging facilitates this integration without losing the history of changes.
The following is the process to execute a
merge command in Y42:
- Keep your branch up-to-date with the main branch.
Regularly pull changes from the
main branch into
your working branch to ensure a simpler merge process and fewer conflicts.
- Commit often.
This makes it easier to understand what changes led to a bug or conflict.
- Write meaningful commit messages.
This helps others understand what changes were made and why. More on writing meaningful commit messages in this section.
When working on a branch in Git, staying up-to-date with the latest changes in the main branch is essential. Our new feature enhances this process by notifying you when your branch is behind and providing a simplified merge experience.
If your branch falls behind the main branch, you will receive an immediate notification. This notification is visually represented by a yellow icon, showing how many commits you are behind.
Clicking on this icon allows you to merge the latest changes from the main branch into your feature branch with a single click.
In cases where merging the main branch into your feature branch would result in conflicts, the notification icon turns red:
Clicking on this red icon will prompt you to confirm the merge conflict resolution and choose which version to keep (incoming (main) or current).
A merge conflict in Git arises when two branches have made changes to the same part of a file and Git cannot automatically reconcile the differences during a merge. This conflict results in Git marking the file as "unmerged," necessitating manual resolution. When a conflict occurs, Git outputs a message to indicate the issue, and the affected files are marked accordingly.
To manage these conflicts, open the marked files and look for the conflict markers (
>>>>>>>). These markers delineate the differing segments of code. You'll need to manually edit the file to resolve these conflicts by choosing which changes to keep, modify, or remove, and then saving the file.
All the lines between the
<<<<<< HEAD and
======= exist in the current branch which the
HEAD ref is pointing to.
All the lines betweeen
>>>>>> conflicting-branch is content in the new branch that is trying to merge.
Once you've decided how to resolve each conflict, you can save the file, and commit it to complete the merge.