Practice this fail.

My changes vanished. Allegedly.

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Read the error, choose a command, and learn
why it works. Nothing runs on your machine.

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You edited src/app.js and successfully ran git add src/app.js. The working file now matches the staged version.

My changes vanished. Allegedly.

$ git add src/app.js

$ git diff

(no output)

Read why this fix works

My changes vanished. Allegedly.

git diff --cached

Plain git diff compares working files with the staging area. Once both copies match, that comparison is empty. git diff --cached compares the staging area with HEAD, showing the actual changes prepared for the next commit.

Git diff documentation ↗

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