Prompt if you don't have push set upstream

alias-git.sh

#!/bin/bash

# Check only if git commit
if [ "$1" = "push" ]; then
  __OK_COLOR="\e[42m"
  __CANCEL_COLOR="\e[41m"
  __NORMAL_COLOR="\e[m"
  __BRANCH_COLOR="\e[33m"

  __BRANCH=$(git rev-parse --abbrev-ref HEAD)

  git ls-remote --exit-code . origin/${__BRANCH} 2> /dev/null 1>&2

  if [ $? -ne 0 ]; then
    echo -en "Branch ${__BRANCH_COLOR}${__BRANCH}${__NORMAL_COLOR} doesn't yet pushed, would you like push it? [${__OK_COLOR}enter${__NORMAL_COLOR}/${__CANCEL_COLOR}ctrl+c${__NORMAL_COLOR}]" 
    read PUSH_OR_NOT

    if [ $? -eq 0 ]; then
      git push --set-upstream origin ${__BRANCH}
    else
      exit 1
    fi
  fi

  git "$@"

  unset __BRANCH
  unset __CANCEL_COLOR
  unset __NORMAL_COLOR
  unset __OK_COLOR
  unset __BRANCH_COLOR
else
  git "$@"
fi