What are merge strategies?

Merge strategies in Git determine how changes from different branches are combined during a merge operation. Here are the main merge strategies:

1. Recursive: This is the default strategy for merging two branches. It handles cases where there are multiple common ancestors and can automatically resolve conflicts in most situations.

2. Resolve: This strategy is used for merging two branches with a single common ancestor. It can handle simple cases but requires manual conflict resolution for more complex ones.

3. Octopus: This strategy is used when merging more than two branches. It is useful for combining multiple branches at once but can only handle simple merges without conflicts.

4. Ours: This strategy keeps the current branch's changes and ignores changes from the branch being merged. It’s useful when you want to discard changes from the other branch.

5. Subtree: This strategy is used for merging projects that are stored in subdirectories. It allows you to merge a project into a subdirectory of another project.

Example Usage:

To specify a merge strategy, you can use the -s option:

git merge -s recursive feature-branch

Understanding these strategies can help you choose the right approach for your specific merging needs. For more detailed exploration, consider checking Git documentation or relevant labs on LabEx!