Laravel Installer Shell Script

lv-installer.sh

#!/bin/sh

# false condititon on if statement
# sudo apt-get purge --auto-remove php

# Colorize given text
colorize() {
    local defaultcolor='\033[0m'
    local textColor='\033[0m'

    case $1 in
    'red')
        textColor='\033[0;31m'
        ;;
    'green')
        textColor='\033[0;32m'
        ;;
    'orange')
        textColor='\033[0;33m'
        ;;
    'blue')
        textColor='\033[0;34m'
        ;;
    'purple')
        textColor='\033[0;35m'
        ;;
    'cyan')
        textColor='\033[0;36m'
        ;;
    'white')
        textColor='\033[0;37m'
        ;;
    *)
        textColor=$defaultcolor
        ;;
    esac

    echo "$textColor$2${defaultcolor}\n"
}

# Get current PHP version
getPhpVersion() {
    version=$(php -v | grep --only-matching --perl-regexp "PHP (\d+.\d+.\d+)")

    echo $version | cut -d" " -f2
}

# Get current Composer version
getComoposerVersion() {
    version=$(composer -V | grep --only-matching --perl-regexp "Composer version (\d+.\d+.\d+)")

    echo $version | cut -d" " -f3
}

# Check app is exists
appExists() {
    if ! type $1 >/dev/null; then
        return 1 # installed
    else
        return 0 # not found
    fi
}

# Check plugin is exists
hashExists() {
    if ! hash $1 2>/dev/null; then
        return 1 # installed
    else
        return 0 # not found
    fi
}

echo
echo
echo $(colorize green '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~')
echo $(colorize green '<<<<< 🧡 Welcome to Laravel Installer 🧡 >>>>>')
echo $(colorize green '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~')

if $(appExists 'curl'); then
    echo
else
    echo $(colorize cyan 'Curl not found. Dou you want to install (y/n)?')
    read answer

    if [ "$answer" != "${answer#[Yy]}" ]; then
        sudo apt install curl -y

        echo
        echo '✅ Curl is installed!'
        echo
    fi
fi

echo $(colorize purple 'Step 1: PHP')
echo

if $(appExists 'php'); then
    echo '👉 Your PHP version is '$(getPhpVersion)
    echo
else
    echo $(colorize orange '🔥 PHP is not installed. Please install PHP first!')
    echo

    echo $(colorize cyan 'Dou you want to install latest verson of PHP (y/n)?')
    read answer

    if [ "$answer" != "${answer#[Yy]}" ]; then
        sudo apt install php -y

        echo
        echo '✅ PHP is installed!'
        echo '👉 Your php version is ' $(getPhpVersion)
        echo
    else
        echo No
    fi
fi

echo $(colorize purple 'Step 2: Composer')
echo

if $(appExists 'composer'); then
    echo '👉 Your composer version is '$(getComoposerVersion)
    echo
else
    echo $(colorize orange '🔥 Composer is not installed.')
    echo

    echo $(colorize cyan 'Dou you want to install latest verson of Composer (y/n)?')
    read answer

    if [ "$answer" != "${answer#[Yy]}" ]; then
        # https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md
        EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
        php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
        ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"

        if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]; then
            echo >&2 'ERROR: Invalid installer checksum'
            rm composer-setup.php
            exit 1
        fi

        php composer-setup.php --quiet
        RESULT=$?

        rm composer-setup.php

        sudo mv composer.phar /usr/local/bin/composer

        if [ $RESULT -eq 0 ]; then
            echo
            echo '✅ Composer is installed!'
            echo '👉 Your composer version is '$(getComoposerVersion)
            echo
        else
            echo
            echo '❌ Composer could not installed!'
            echo
        fi
    fi
fi

echo $(colorize purple 'Step 3: Laravel Installer')
echo

# exists() {
#     # command -v "$1" >/dev/null 1>&1

#     # hash $1 1>/dev/null

#     # hash laravel 0>/dev/null
# }

# if exists laravel; then
#     echo 'Bash exists!'
# else
#     echo 'Your system does not have Bash'
# fi

if $(hashExists 'laravel'); then
    echo '👉 Your Laravel Installer ready!'
    echo
else
    echo $(colorize orange '🔥 Laravel Installer is not installed.')
    echo

    echo $(colorize cyan 'Dou you want to install latest verson of Laravel Installer (y/n)?')
    read answer

    if [ "$answer" != "${answer#[Yy]}" ]; then
        composer global require laravel/installer

        export PATH="~/.config/composer/vendor/bin:$PATH"

        echo
        echo '✅ Laravel Installer is installed!'
        echo
    else
        echo No
    fi

fi