oh-my-git/levels/low-level/commit-parents

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[description]
When using the commit-tree command, you can optionally specify a parent:
git commit-tree <tree> -m "Description" -p <parent commit>
Make a string of three commits!
Hint: You'll need a tree object. What could be the easiest way to obtain one?
[setup]
[setup goal]
git write-tree
FIRST_COMMIT=$(git commit-tree 4b82 -m 'First commit :O')
SECOND_COMMIT=$(git commit-tree 4b82 -p $FIRST_COMMIT -m 'Second commit :D')
THIRD_COMMIT=$(git commit-tree 4b82 -p $SECOND_COMMIT -m 'Third commit \o/')
[win]
COMMITS=$(git cat-file --batch-check='%(objectname) %(objecttype)' --batch-all-objects | grep commit | cut -f1 -d" ")
for COMMIT in $COMMITS; do
echo a commit named $COMMIT
if [ $(git rev-list $COMMIT | wc -l) -ge 3 ]; then
return 0
fi
done
return 1