How to Merge Two Parallel Branches In A Git Repository?

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To merge two parallel branches in a git repository, you can use the git merge command followed by the name of the branch you want to merge. First, switch to the branch you want to merge changes into using the git checkout command. Then, run git merge <branchname> to merge the changes from the specified branch into the current branch. Git will automatically merge the changes and create a new commit with both sets of changes combined. If there are any conflicts during the merge, you will need to resolve them manually before committing the changes. Once the merge is complete, you can push the changes to the remote repository using git push.


What is the role of the 'strategy' option when merging two parallel branches in a git repository?

When merging two parallel branches in a git repository, the 'strategy' option allows you to specify a merge strategy to be used for combining the changes from the two branches. The merge strategy determines how git will combine the changes, such as whether to perform a fast-forward merge, a recursive merge, or an octopus merge.


Some common merge strategies include:

  • 'ours': This strategy keeps the changes from the current branch (the branch you are merging into) and ignores any changes from the other branch.
  • 'theirs': This strategy keeps the changes from the branch being merged in and ignores any changes from the current branch.
  • 'recursive': This is the default merge strategy and is used for most merges. It tries to combine the changes from both branches, taking into account any common ancestors.


By specifying a merge strategy with the 'strategy' option, you can control how git combines the changes from the two branches and resolve any conflicts that may arise during the merge process.


How to use interactive rebase before merging two parallel branches in a git repository?

To use interactive rebase before merging two parallel branches in a git repository, follow these steps:

  1. Checkout the branch you want to rebase onto. For example, if you want to rebase branchA onto branchB, checkout branchB:
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git checkout branchB


  1. Start an interactive rebase for the branch you want to rebase. For example, if you want to rebase branchA onto branchB, run the following command:
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git rebase -i branchA


  1. This will open a text editor with a list of commits from branchA that are about to be rebased onto branchB. You can choose to reword, squash, split, or drop commits as needed. Save and exit the text editor.
  2. Git will then reapply the selected commits onto branchB. Resolve any conflicts that may arise during the rebase process.
  3. Once the rebase is complete, you can merge the rebased branch onto the target branch. For example, if you rebased branchA onto branchB, you can now merge branchA into branchB:
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git checkout branchB
git merge branchA


  1. Resolve any conflicts that may arise during the merge process.
  2. Finally, push the merged changes to the remote repository:
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git push origin branchB


By following these steps, you can use interactive rebase to modify the commit history of one branch before merging it with another branch in a git repository.


How to use the '--no-ff' option when merging two parallel branches in a git repository?

To use the '--no-ff' option when merging two parallel branches in a git repository, you can follow these steps:

  1. Make sure you are in the branch you want to merge changes into. You can switch to the branch by using the checkout command: git checkout
  2. Merge the other branch into the current branch using the merge command with the '--no-ff' option: git merge --no-ff
  3. Resolve any merge conflicts that may arise during the merge process. Git will prompt you to resolve conflicts if there are any.
  4. After resolving conflicts (if any), commit the merge changes by running: git commit
  5. Finally, push the merged changes to the remote repository: git push


Using the '--no-ff' option during merging ensures that a merge commit is always created, even if the merge can be fast-forwarded. This helps maintain a clear history of the repository and shows that a merge occurred between two parallel branches.

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