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35 lines
1 KiB
Plaintext
35 lines
1 KiB
Plaintext
[description]
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Construct a chain of three trees, which don't point to anything else.
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This is hard! The `git mktree` command might be useful.
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[setup]
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[setup goal]
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git mktree
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TREE=$(echo -e "040000 tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\tdir" | git mktree)
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echo -e "040000 tree $TREE\tdir" | git mktree
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[win]
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TREES=$(git cat-file --batch-check='%(objectname) %(objecttype)' --batch-all-objects | grep tree | cut -f1 -d" ")
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for TREE in $TREES; do
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if [ "$(git cat-file -p $TREE | wc -l)" -eq 1 ]; then
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if [ "$(git cat-file -p $TREE | cut -f1 | grep tree | wc -l)" -eq 1 ]; then
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# So the tree has exactly one child, and it is a tree!
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TREE2=$(git cat-file -p $TREE | cut -f1 | grep tree | cut -f3 -d" ")
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if [ "$(git cat-file -p $TREE2 | wc -l)" -eq 1 ]; then
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if [ "$(git cat-file -p $TREE2 | cut -f1 | grep tree | wc -l)" -eq 1 ]; then
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# Same for its child! \o/
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return 0
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fi
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fi
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fi
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fi
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done
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return 1
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