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https://github.com/git-learning-game/oh-my-git.git
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29 lines
734 B
Plaintext
29 lines
734 B
Plaintext
[description]
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Create two trees pointing to the same blob!
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[setup]
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[setup goal]
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BLOB=$(echo "I am precious" | git hash-object -w --stdin)
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git update-index --add --cacheinfo 100644,$BLOB,a
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git write-tree
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git update-index --force-remove a
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git update-index --add --cacheinfo 100644,$BLOB,b
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git write-tree
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git update-index --force-remove b
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[win]
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TREES=$(git cat-file --batch-check='%(objectname) %(objecttype)' --batch-all-objects | grep tree | cut -f1 -d" ")
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ALL_TREE_CHILDREN=$(for TREE in $TREES; do
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git cat-file -p $TREE | cut -f1 | cut -f3 -d" "
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done)
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NUMBER_OF_CHILDREN=$(echo "$ALL_TREE_CHILDREN" | wc -l)
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UNIQUE_CHILDREN=$(echo "$ALL_TREE_CHILDREN" | sort -u | wc -l)
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test "$NUMBER_OF_CHILDREN" -gt "$UNIQUE_CHILDREN"
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