Git Basics: Commits and Branching

What command is used to see the differences between two commits across all files?

git diff 46b9bc 5f14b6

What is a common use case for branching in Git?

To allow multiple simultaneous versions, such as a main 'master' branch and separate 'feature' branches

What is the purpose of a 'feature' branch in Git?

To work on new or experimental features or fixes independently of the main 'master' branch

What is the benefit of using branching in a team environment?

Easy access to different versions, allowing team members to work on separate features or fixes Signup and view all the answers

How are commits identified in Git?

By a 40-character hash code, which can be abbreviated Signup and view all the answers

What is the result of merging branches in Git?

Combining changes from multiple branches into a single branch Signup and view all the answers

What is the primary benefit of creating a new branch in Git?

To make experimental changes without risking what you're already done and what everyone else is working on. Signup and view all the answers

What command is used to create a new branch in Git, based on the last commit in the current branch?

git branch mynewbranch Signup and view all the answers

What happens when you switch to a new branch using 'git checkout mynewbranch'?

It will delete and replace your code with the latest version in 'mynewbranch'. Signup and view all the answers

How can you create a new branch based on any specific commit in Git?

git branch mynewbranch ff823e Signup and view all the answers

What command is used to list the existing branches and see which one is current in Git?

git branch Signup and view all the answers

What is the purpose of renaming a branch in Git, and how is it done?

To rename a branch, for example, to give it a more descriptive name; git branch -m mynewbranch featurexyz Signup and view all the answers

What is the purpose of feature branches in Git, and how do they relate to the 'master' branch?

Feature branches are where most work is done, and this work must eventually be merged into the 'master' branch. Signup and view all the answers

What does the 'git merge' command do, and what type of commit is created as a result?

The 'git merge' command merges another branch into the current one, creating a special 'merge commit' that combines the last commits from both branches. Signup and view all the answers

How does Git determine how to merge changes from different branches?

Git finds the 'common ancestor' of the two branches, which is the point where they first separated, and then uses the 'diff3' algorithm to merge the changes. Signup and view all the answers

What is the outcome of merging a feature branch into the 'master' branch?

The outcome is that the work from the feature branch is incorporated into the 'master' branch, and the feature branch can be deleted. Signup and view all the answers

Why is merging important in Git, and what would happen if it weren't possible?

Merging is important because it allows developers to combine changes from multiple branches into a single, unified branch, and if it weren't possible, feature branches would be useless and development would be limited. Signup and view all the answers

What is the purpose of the 'merge commit' in Git, and how does it relate to the branching history?

The 'merge commit' is a special commit that combines the last commits from multiple branches, and it represents the merge of the branching history. Signup and view all the answers