[description]

Instead of pointing directly to objects, refs can also point to other refs!

When that happens, they are called "symbolic refs". You can create or update a symbolic ref using

    git symbolic-ref <name> <ref>

Create a symbolic ref called "refs/rainbow"!

[setup]

[setup goal]

BLOB=$(git hash-object -w --stdin)
git update-ref refs/double "$BLOB"
git symbolic-ref refs/rainbow refs/double

[win]

git symbolic-ref refs/rainbow
