Install a specific version of a package

asdf.go

//usr/bin/env go run "$0" "$@"; exit "$?"
package main

import (
	"fmt"
	"os"

	"github.com/codeskyblue/go-sh"
)

func main() {
	plugin := asdfWithSelect("plugin-list")
	version := asdfWithSelect("list-all", plugin)
	sh.Command("asdf", "install", plugin, version).Run()
}
func asdfWithSelect(args ...string) string {
	lis := make([]interface{}, 0)
	for _, v := range args {
		lis = append(lis, v)
	}
	out, err := sh.Command("asdf", lis...).Command("fzf").Output()
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}
	return string(out)
}