简单方便的实现go,node等本机sdk的多版本管理。Simple and easy to realize go, node and other local sdk multi-version management.

useenv.sh

#!/usr/bin/env bash

# backup the PATH
pathBak="$PATH"

# echo "$BASH_VERSION"
# 声明关联数组(bash > 4.2 版本)
declare -A env_paths=(
  [node20]="/c/Users/inhere/workspace/env/node-sdk/node-v20.16.0-win-x64"
  [node16]="/c/Users/inhere/workspace/env/node-sdk/node-v16.16.0-win-x64"
  [node12]="/c/Users/inhere/workspace/env/node-sdk/node-v12.18.3-win-x64"
  [php8.1]="/c/Users/inhere/workspace/env/php-sdk/php-8.1.10-win32-vs16-x64"
  [go1.19]="/c/Users/inhere/workspace/env/go-sdk/go1.19.13/bin"
  [go1.21]="/c/Users/inhere/workspace/env/go-sdk/go1.21.13/bin"
  [go1.22]="/c/Users/inhere/workspace/env/go-sdk/go1.22.8/bin"
  [go1.23]="/c/Users/inhere/workspace/env/go-sdk/go1.23.2/bin"
)

# 定义 useenv 函数
# useenv [node20|node16|node12|php8.1|go1.19|go1.21|go1.22|go1.23]
useenv() {
  if [ $# -eq 0 ]; then
    echo "Custom set used sdk env for current shell"
    echo ""
    echo "Usage: useenv [NAME]"
    echo "  NAME    Want used env name. "
    echo "          allow: node20, node16, node12, php8.1, go1.19, go1.21, go1.22, go1.23"
    echo ""
    echo "Example:"
    echo "  useenv go1.19"
    echo "  useenv node16 go1.19 # apply multi at once"
    return 0
  fi

  # 初始化新的 PATH
  new_path=""

  # 遍历所有传入的参数
  for name in "$@"; do
    echo "Will use env $name"

    # 从关联数组中获取路径
    if [[ -n "${env_paths[$name]}" ]]; then
      new_path="${env_paths[$name]}:$new_path"
    else
      echo "  WARNING: unknown env: $name"
    fi
  done

  # 判断 new_path 是否为空
  if [ -z "$new_path" ]; then
    echo "ERROR: no valid env name provided"
    return 1
  fi

  # 设置新的 PATH
  export PATH="$new_path:$pathBak"
  echo "Completed"
}

Usage

Show usage

$ useenv
Custom set used sdk env for current shell

Usage: useenv [NAME]
  NAME    Want used env name.
          allow: node20, node16, node12, php8.1, go1.19, go1.21, go1.22, go1.23

Example:
  useenv go1.19
  useenv node16 go1.19 # apply multi at once

Example

inhere@inhere-win MINGW64 ~/workspace
$ node -v
v12.18.3

inhere@inhere-win MINGW64 ~/workspace
$ useenv node16
Will use env node16
Completed

inhere@inhere-win MINGW64 ~/workspace
$ node -v
v16.16.0

Change multi sdk env at once:

$ useenv node20 go1.21
Will use env node20
Will use env go1.21
Completed

inhere@inhere-win MINGW64 ~/workspace
$ node -v; go version
v20.16.0
go version go1.21.13 windows/amd64