Git Branch Base

branchBase.sh

#!/usr/bin/env bash
branch_name=$1
branch_base_name=$2

git checkout ${branch_name}
merge_base=`git merge-base ${branch_name} ${branch_base_name}`
branch_commit_date=`git show --summary ${merge_base} --pretty=tformat:'%aI'`

echo ${branch_name} Branched off ${branch_base_name} at: ${merge_base}
echo ${branch_name} Branch Point Commit Date: ${branch_commit_date}