Add branch name to commit message githook

commit-msg.sh

mkdir -p ~/.git_hooks
# make it executable
chmod a+x ~/.git_hooks/commit-msg

# ---------------------------
# vi ~/.git_hooks/commit-msg:
NAME=$(git branch | grep '*' | sed 's/* //') 
DESCRIPTION=$(git config branch."$NAME".description)

echo "$NAME"': '$(cat "$1") > "$1"
if [ -n "$DESCRIPTION" ] 
then
   echo "" >> "$1"
   echo $DESCRIPTION >> "$1"
fi 
# ---------------------------


git config --global init.templatedir '~/.git_hooks'

# and git init (only once) in each project you want to use the hook
git init