.git/hooks/commit-msg

commit-msg

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

COMMIT_EDITMSG=$1

addBranchName() {
  BRANCH=$(git branch | grep '*' | sed 's/* //')
  NAME=$(echo "$BRANCH" | sed -E 's/([A-Z]+-[0-9]+(--[A-Z]+-[0-9]+)?).*/\1/')
  DESCRIPTION=$(git config branch."$BRANCH".description)
  echo "$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

echo "v4" >> $COMMIT_EDITMSG