gab

#!/bin/bash

# lists the branches in order and lets you select
# which one to checkout

branches=( $(git for-each-ref refs/heads | cut -d '/' -f 3-) )

for i in "${!branches[@]}"; do
    echo "$i)   ${branches[$i]}"
done

echo -n "Branch number: "
read bnum

git checkout "${branches[$bnum]}"