Automatically add branch name and branch description to every commit message except merge commit.

prepare-commit-msg

#!/bin/sh
#
# Automatically add branch name and branch description to every commit message except merge commit.
#

COMMIT_EDITMSG=$1

addBranchName() {
  NAME=$(git branch | grep '*' | sed 's/* //') 
  DESCRIPTION=$(git config branch."$NAME".description)
  echo "[$NAME]: $(cat $COMMIT_EDITMSG)" > $COMMIT_EDITMSG
  if [ -n "$DESCRIPTION" ] 
  then
     echo "" >> $COMMIT_EDITMSG
     echo $DESCRIPTION >> $COMMIT_EDITMSG
  fi 
}

MERGE=$(cat $COMMIT_EDITMSG|grep -i 'merge'|wc -l)

if [ $MERGE -eq 0 ] ; then
  addBranchName
fi