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40 lines
928 B
Text
40 lines
928 B
Text
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title = Enter the time machine
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cards = init commit-auto checkout
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[description]
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Another month later, you're woking on an essay about tardigrades!
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But this time, a friend has borrowed you a time machine!
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It's called "Git", and it's very shiny.
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[setup]
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rm -rf .git
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echo "~ Why tardigrades are cool ~
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- They can survive in space.
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- They are resistant to extreme heat and cold." > essay.txt
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[win]
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# Initialize the time machine!
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test -d .git
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# Make a snapshot of your essay (a "commit")
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test -d .git && git rev-parse HEAD
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# Add another line to the essay.
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test "$(cat essay.txt | wc -l)" -ge 5
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# And make a second commit!
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git rev-parse HEAD^ && test "$(git show HEAD:essay.txt | wc -l)" -ge 5
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[congrats]
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Nice! You can now travel between those two snapshots using `git checkout` - try it, and look at the essay in each commit!
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You can also make some additional commits. When you feel comfortable, click on "Next Level".
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