Pre-commit hook to prepend the branch name on every commit message

prepare-commit-msg

#!/bin/sh

# this file should be marked as executable and placed on .git/hooks/

BRANCH_NAME=$(git branch 2>/dev/null | grep -e ^* | tr -d ' *')

# FogBugz
if [[ $BRANCH_NAME =~ ^case ]]; then 
    CASE_NUMBER=$(echo $BRANCH_NAME 2>/dev/null | tr -d "case"  | tr -d "-" | tr -d "_")
    echo "[case $CASE_NUMBER] $(cat $1)" > $1
# Trac
elif [ -n "$BRANCH_NAME" ] && [ "$BRANCH_NAME" != "master" ] && [ "$BRANCH_NAME" != "(nobranch)" ]; then
    echo "#$BRANCH_NAME $(cat $1)" > $1
fi