Complete Git Guide: Understand and Master Git and GitHub - Exploring Changes in a Git Repository

This video tutorial provides a comprehensive guide to using Git commands such as 'git status', 'git log', and 'git cat-file'. It explains how to check the status of a Git repository, view commit history, and explore commit objects. The tutorial also covers the structure of Git's object storage, including how files are distributed among folders based on SHA-1 hashes. Additionally, it discusses the concept of tree objects and how they link to files in the repository. The video concludes with a brief introduction to the structure of a Git repository using a diagram.

What does a clean working tree indicate in Git?

• The working directory and staging area are consistent.

• All changes are staged.

• There are uncommitted changes.

• There are conflicts to resolve.

What information can you find using the Git log command?

• Current branch name

• Commit history with details

• Staged changes

• Untracked files

What is a parent commit in Git?

• A commit with multiple authors

• A commit with no changes

• A commit that points to the previous commit

• The first commit in a repository

What is the significance of a root commit in Git?

• It has multiple parent commits.

• It contains all the files in the repository.

• It is the first commit and has no parent.

• It is the last commit in a branch.

How does Git distribute files in the repository?

• Based on file size

• Using the first two characters of the SHA-1 hash

• Alphabetically by file name

• Randomly across folders

What happens to the SHA-1 hash of a file if its contents do not change?

• It is removed from the repository.

• It becomes shorter.

• It changes slightly.

• It remains the same.

Why might two objects be located in the same folder in a Git repository?

• They have the same file size.

• Their SHA-1 hashes start with the same two characters.

• They were created at the same time.

• They are part of the same commit.