Challenge 1
Complete the Git command to integrate the selected branch.
git topic
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Build three small disposable repositories. In the first, create divergent branches and merge them; record both merge parents. In the second, create a topic sequence and a new main base, then rebase the topic; record old and new commit IDs and verify ancestry. In the third, create two source commits, switch to another destination history, and cherry-pick only the first; prove that the second source change was not selected.
Challenge 1
git topic
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Challenge 2
git main
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Challenge 3
git <selected-commit>
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Challenge 4
git --graph --oneline --decorate --all
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