git pre-commit hook to check branch name

gistfile1.sh

#!/bin/bash
#
# Pre-commit hooks

# Check branch name
BRANCH_NAME_LENGTH=`git rev-parse --abbrev-ref HEAD | grep -E '^t[0-9]{2,16}\_.*_[A-Za-z]{2,2}$' | wc -c`

if [ ${BRANCH_NAME_LENGTH} -eq 0 ] ; then
  echo -e '\E[37;44m'"\033[1mERROR\033[0m in pre-commit hook: vim /export/web/.git/hooks/pre-commit"
  echo "Branch name should be like t00000_blah_blah_CA - brand is two letters"
  echo "edit regexp if you think something wrong"
  echo "Skip pre-commit hooks with --no-verify (not recommended)."
  exit 1
fi