git diff --staged for staged changes - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the command git diff --staged show?

It shows the differences between the files in the staging area and the last commit. In other words, it displays what changes are ready to be committed.

beginner

How is git diff --staged different from git diff?

git diff shows changes in your working directory that are not yet staged, while git diff --staged shows changes that have been staged and are ready to commit.

beginner

Can git diff --staged be used to see changes after committing?

No. It only shows staged changes that are not yet committed. After committing, the staging area is cleared, so no staged changes remain.

beginner

What is the purpose of staging changes in Git?

Staging lets you prepare and review changes before committing them. It acts like a 'ready to commit' basket where you collect changes you want to include in the next commit.

beginner

How do you stage a file for commit in Git?

Use git add <filename> to move changes from your working directory to the staging area.

What does git diff --staged compare?

A Last commit vs remote repository

B Unstaged changes vs last commit

C Staged changes vs last commit

D Working directory vs staging area

git diff --staged shows differences between the staged files and the last commit.

Which command shows changes not yet staged?

A git commit

B git diff --staged

C git status

D git diff

git diff shows changes in the working directory that are not staged.

What must you do before git diff --staged shows any output?

A Make a commit

B Stage changes with <code>git add</code>

C Push to remote

D Create a new branch

You need to stage changes first using git add for git diff --staged to show differences.

If you run git diff --staged and see no output, what does it mean?

A No staged changes

B No commits yet

C No changes in working directory

D Repository is corrupted

No output means there are no changes staged for commit.

Which command stages a file named app.js?

A git add app.js

B git commit app.js

C git diff app.js

D git push app.js

git add app.js stages the file app.js for commit.

Explain what git diff --staged does and when you would use it.

Think about the staging area and what is ready to be saved in Git.

Describe the difference between git diff and git diff --staged.

Consider where the changes are: working directory or staging area.