You're working on a feature in a separate branch and want to include recent changes from the main branch. What Git strategy should you use?
- Merge
- Rebase
- Cherry-pick
- Reset
When working on a separate branch and wanting to include recent changes from the main branch, the recommended Git strategy is to rebase. Rebasing incorporates changes from one branch into another and results in a cleaner, linear project history. Merging is another option, but it can create unnecessary merge commits. Cherry-pick and reset are not typically used for this scenario.
To remove a file from the staging area without deleting the file itself, use the command git _______.
- reset
- unstage
- rm
- discard
The correct option is unstage. This command is used to remove a file from the staging area, leaving the working directory unchanged. It allows you to unstage changes that you previously staged with git add.
What is an essential step in ensuring a smooth transition from a centralized VCS to Git?
- Train team members on Git fundamentals and best practices.
- Avoid training and let the team adapt on their own.
- Perform the migration without informing the team to minimize resistance.
- Hire external consultants to handle the transition.
Training team members on Git fundamentals and best practices is essential for a smooth transition. Avoiding training may lead to confusion, and informing and involving the team in the process helps mitigate resistance. Hiring external consultants may not address the internal team's needs effectively.
During migration to Git, what is the best strategy to preserve the commit history from the previous version control system?
- Create a mapping between old and new commits, ensuring each commit is accounted for.
- Discard the old commit history for simplicity.
- Convert all old commits into a single initial commit in Git.
- Use a third-party tool to import commits directly.
When migrating to Git, it's crucial to establish a mapping between old and new commits to preserve the commit history accurately. Discarding history or converting all commits into one may result in loss of valuable information. Using third-party tools can help in importing commits seamlessly.
Reflecting on major Git successes, what is a common factor that contributes to efficient version control in large organizations?
- Centralized version control
- Frequent manual interventions
- Effective branching and merging strategies
- Avoiding the use of Git hooks
Efficient branching and merging strategies contribute to successful version control in large organizations. They enable parallel development, easy collaboration, and streamlined integration of features.
How do you check the current version of Git installed on your system?
- git version
- git show
- git status
- git check
To check the current version of Git, you can use the git version command. This will display the installed Git version on your system. The other options are not suitable for checking the Git version.
What is a common use of git stash in Git?
- Discarding changes
- Storing changes temporarily
- Applying changes to the remote repository
- Deleting the entire repository
Git stash is commonly used to temporarily store changes that are not ready to be committed. This is useful when you need to switch to a different branch or address an urgent issue, allowing you to save your work without committing it.
To see a graphical representation of the commit history, you can use git log --_______.
- graph
- oneline
- pretty
- graphoneline
The correct option is git log --graph. This option provides a graphical representation of the commit history, showing branches and merges.
What is the impact of having a large number of branches in a Git repository on its performance?
- A large number of branches has no impact on Git repository performance.
- More branches lead to faster Git operations due to parallel processing.
- Having many branches can slow down Git operations like cloning and fetching.
- Git performance is not affected by the number of branches in a repository.
Having a large number of branches in a Git repository can negatively impact performance, especially during operations like cloning and fetching. Each branch adds overhead, and repositories with excessive branches may experience slower operations.
In a project with multiple contributors, two developers have made different changes to the same file. What Git feature will help resolve this when merging?
- Cherry-pick
- Merge Conflict Resolution
- Stash
- Bisect
When there are conflicting changes in the same file, Git's merge conflict resolution feature helps developers manually resolve conflicts and merge the changes successfully.