A shell script to quickly change npm/composer mirror

sh

#!/bin/bash

# Variable
# Template #
# Always end with a space
# COMMAND_COMPOSER_GLOBAL="composer config -g repos.packagist composer "
# Always end with a space
# COMMAND_COMPOSER_LOCAL="composer config repo.packagist composer "
# The command to reset to default repository globally
# COMMAND_COMPOSER_RESET_GLOBAL="composer config -g --unset repos.packagist"
# The command to reset to default repository locally
# COMMAND_COMPOSER_RESET_LOCAL="composer config --unset repos.packagist"
# The Original mirrors which the client has
# COMMAND_NPM_ORIGINAL=""
# Mirror names, replace DUMMY with package manager name
# DUMMY_MIRROR_NAMES=()
# Mirror lists, replace DUMMY with package manager name
# The order of mirror URL must match with the mirror name
# DUMMY_MIRRORS=()

# NPM
COMMAND_NPM_GLOBAL="npm config set registry "
COMMAND_NPM_LOCAL="npm config set registry "
COMMAND_NPM_RESET_GLOBAL="npm config set registry https://www.npmjs.org"
COMMAND_NPM_RESET_LOCAL="npm config set registry https://www.npmjs.org"
COMMAND_NPM_GET_GLOBAL="npm config get --global registry"
COMMAND_NPM_GET_LOCAL="npm config get registry"
COMMAND_NPM_ORIGINAL=""

# NPM mirror names
NPM_MIRROR_NAMES=(
	"taobao"
	"zju"
	"huawei"
)
# NPM mirror names
# NPM mirrors
NPM_MIRRORS=(
	"https://registry.npm.taobao.org"
	"http://mirrors.zju.edu.cn/npm"
	"https://mirrors.huaweicloud.com/repository/npm/"
)

# COMPOSER
COMMAND_COMPOSER_GLOBAL="composer config -g repos.packagist composer "
COMMAND_COMPOSER_LOCAL="composer config repo.packagist composer "
COMMAND_COMPOSER_RESET_GLOBAL="composer config -g --unset repos.packagist"
COMMAND_COMPOSER_RESET_LOCAL="composer config --unset repos.packagist"
COMMAND_COMPOSER_GET_GLOBAL="composer config -g --get repos.packagist"
COMMAND_COMPOSER_GET_LOCAL="composer config --get repos.packagist"
COMMAND_COMPOSER_ORIGINAL=""
COMPOSER_MIRROR_NAMES=(
	"cnpkg"
	"lvchn"
	"phpcomposer"
	"aliyun"
	"huawei"
)
COMPOSER_MIRRORS=(
	"https://php.cnpkg.org"
	"https://packagist.laravel-china.org"
	"https://packagist.phpcomposer.com"
	"https://mirrors.aliyun.com/composer"
	"https://mirrors.huaweicloud.com/repository/php"
)

PACKAGE_NAME=""
MIRROR_NAME="fastest"
SCOPE_NAME="LOCAL"

SHOW_HELP () {
    echo "Usage: swap npm|composer|help mirror_name|reset [--global|--local]"
}

NPM () {
	INDEX=0
	COMMAND=""
	case $2 in
		"GLOBAL")
			COMMAND="COMMAND_NPM_GLOBAL"
		;;
		"LOCAL")
			if [ ! -e "package.json" ]; then
				echo "No package.json file found under current directory, cannot change repository locally."
				exit 1
			fi
			COMMAND="COMMAND_NPM_LOCAL"
		;;
	esac

	case "$1" in
	"help")
		SHOW_HELP
		exit
	;;
	"taobao"|"tb")
		INDEX=0
	;;
	"zju")
		INDEX=1
	;;
	"huawei"|"hw")
		INDEX=2
	;;
	"fastest")
		#INDEX= function return value
		echo "TODO"
		exit
	;;
	"get")
		case SCOPE_NAME in
			"GLOBAL")
				COMMAND="COMMAND_NPM_GET_GLOBAL"
				exit
			;;
			"LOCAL")
				COMMAND="COMMAND_NPM_GET_LOCAL"
			;;
		esac
		echo "${!COMMAND}"
		eval "${!COMMAND}"
		exit
	;;
	"reset")
		case $SCOPE_NAME in
			"GLOBAL")
				COMMAND="COMMAND_NPM_RESET_GLOBAL"
				exit
			;;
			"LOCAL")
				COMMAND="COMMAND_NPM_RESET_LOCAL"
			;;
		esac
		eval COMMAND
		exit
	;;
	esac

	COMMAND="COMMAND_NPM_${SCOPE_NAME}"
	MIRROR="${NPM_MIRRORS[$INDEX]}"
    echo "${!COMMAND}${MIRROR}"
    eval "${!COMMAND}${MIRROR}"
}

COMPOSER () {
	INDEX=0
	COMMAND=""
	case $2 in
		"GLOBAL")
			COMMAND="COMMAND_COMPOSER_GLOBAL"
		;;
		"LOCAL")
			if [ ! -e "composer.json" ]; then
				echo "No composer.json file found under current directory, cannot change repository locally."
				exit 1
			fi
			COMMAND="COMMAND_COMPOSR_LOCAL"
		;;
	esac

	case "$1" in
	"help")
		SHOW_HELP
		exit
	;;
	"cnpkg")
		INDEX=0
	;;
	"lvchn")
		INDEX=1
	;;
	"phpcomposer")
		INDEX=2
	;;
	"aliyun")
		INDEX=3
	;;
	"huawei")
		INDEX=4
	;;
	"fastest")
		#INDEX= function return value
		echo "TODO"
		exit
	;;
	"get")
		case $SCOPE_NAME in
			"GLOBAL")
				COMMAND="COMMAND_COMPOSER_GET_GLOBAL"
			;;
			"LOCAL")
				COMMAND="COMMAND_COMPOSER_GET_LOCAL"

			;;
		esac
		echo "${!COMMAND}"
		eval "${!COMMAND}"
		exit
	;;
	"reset")
		case SCOPE_NAME in
			"GLOBAL")
				COMMAND="COMMAND_COMPOSER_RESET_GLOBAL"
			;;
			"LOCAL")
				COMMAND="COMMAND_COMPOSER_RESET_LOCAL"

			;;
		esac
		echo "${COMMAND}"
		eval "${!COMMAND}"
		exit
	;;
	esac

	COMMAND="COMMAND_COMPOSER_${SCOPE_NAME}"
	MIRROR="${COMPOSER_MIRRORS[$INDEX]}"
    echo "${!COMMAND}${MIRROR}"
    eval "${!COMMAND}${MIRROR}"
}

if [ $# -eq 0 ]; then
	echo "Please set which package you want to set mirror"
fi

if [ $# -eq 3 ]; then
	case $3 in
		'--global')
			SCOPE_NAME="GLOBAL"
		;;
		'--local')
			SCOPE_NAME="LOCAL"
		;;
		*)
			SCOPE_NAME="LOCAL"
		;;
	esac
fi

case $1 in
	help)
	  SHOW_HELP
	;;
	npm)
		NPM $2 $SCOPE_NAME
	;;
	composer)
		COMPOSER $2 $SCOPE_NAME
	;;
	*)
	echo $2" not supported"
	exit 1
;;
esac