Lesson 04 · 10 min
History and diff
log shows commits. diff shows what changed. Without them you push blind.
10 minLesson 4 of 8Practice includedAsk AI on any point
git log --oneline — a strip of messages. git show HEAD — the last commit in full. git diff — uncommitted vs the last commit. git diff --staged — what's already in the index. Read the diff before you commit: that's how you catch a stray .env and a debugging console.log.
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