git merge

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The git merge command is used to combine changes from one branch into another. It typically merges a feature branch into the main branch or integrates changes from one branch into another.

Optional Commands with git merge

You can enhance the functionality of git merge using the following options:

OptionDescriptionExample
git merge <branch>Merges the specified branch into the current branch.git merge feature/login merges feature/login into the current branch.
git merge --no-ffForces a merge commit even if a fast-forward merge is possible.git merge --no-ff feature/login creates a merge commit.
git merge --squashCombines all commits from the branch into a single commit for merging.git merge --squash feature/login creates one combined commit.
git merge --abortAborts a merge if conflicts occur and returns the branch to its previous state.git merge --abort cancels the merge and restores the branch.

Syntax and Example

				
					# Merge a branch into the current branch
git merge feature/login
# Example output:
# Updating abc1234..def5678
# Fast-forward
# 1 file changed, 10 insertions(+)

# Merge with a commit even if fast-forward is possible
git merge --no-ff feature/login
# Example output:
# Merge made by the 'recursive' strategy.
# 1 file changed, 10 insertions(+)

# Squash all commits from a branch into a single commit
git merge --squash feature/login
# Example output:
# Squash commit -- not yet committed.

# Abort a merge and restore the branch
git merge --abort
# Example output:
# (No output if successful; the branch is restored to its original state.)

				
			

Why Use git merge?

  • Integrate Changes: Combines code from one branch into another, ensuring all work is integrated.
  • Control Commit History: Options like --squash allow you to maintain a cleaner commit history.
  • Conflict Management: Provides tools to handle and resolve conflicts during a merge.

Conclusion

The git merge command is an integral part of Git’s branching workflow, enabling teams to integrate changes seamlessly. Whether merging directly or using advanced options, it ensures code consistency across branches.

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