Git in one line.

git.sh

#!/bin/bash

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
WHITE='\033[0;m'

helpFunction() {
  echo "***** USAGE *****"
  echo "$0 -a add -m '<your message>'"
  echo "-m Message could not to be empty."
  exit 1
}

while getopts "a:m:" opt; do
  case "$opt" in
  a) add="$OPTARG" ;;
  m) message="$OPTARG" ;;
  ?) helpFunction ;;
  esac
done

if [ -z "$add" ]; then
  add="."
fi

if [ -z "$message" ]; then
  echo "$RED >> Oops! Message is empty!$WHITE"
  helpFunction
fi

git add "$add"
echo "$GREEN ◼◼◼◼◼ Files Added. ◼◼◼◼◼$WHITE"
git commit -m "$message"
echo "$GREEN ◼◼◼◼◼ Commit Done. ◼◼◼◼◼"