Modify pre commit message as per you require

pre-commit-hook

#!/bin/bash

branch_name=$(git symbolic-ref --short HEAD)  # Get the current branch name
short_branch_name=$(echo "$branch_name" | cut -c 1-8)  # Extract the first 8 characters

# If the commit message file doesn't exist or is empty, use the default commit message
if [ ! -s "$1" ]; then
    echo "$short_branch_name: " > "$1"
else
    # Append the branch name to the beginning of the commit message
    sed -i.bak -e "1s/^/$short_branch_name: /" "$1"
    rm "$1.bak"
fi
#