/
check_update.go
61 lines (51 loc) · 1.4 KB
/
check_update.go
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package main
import (
"encoding/json"
"fmt"
"os"
"strings"
"github.com/coreos/go-semver/semver"
"github.com/fatih/color"
"github.com/leancloud/lean-cli/version"
"github.com/levigross/grequests"
)
const checkUpdateURL = "https://releases.leanapp.cn/leancloud/lean-cli/version.json"
var pkgType = "go"
func updateCommand() string {
switch pkgType {
case "go":
return "go get -u github.com/leancloud/lean-cli/lean"
case "homebrew":
return "brew update && brew upgrade lean-cli"
case "binary":
return "Visit https://github.com/leancloud/lean-cli/releases"
default:
fmt.Fprintln(os.Stderr, "invalid pkgType: "+pkgType)
return ""
}
}
func checkUpdate() error {
if pkgType == "homebrew-head" || pkgType == "aur-git" {
return nil
}
resp, err := grequests.Get(checkUpdateURL, &grequests.RequestOptions{
UserAgent: "LeanCloud-CLI/" + version.Version,
})
if err != nil {
return err
}
var result struct {
Version string `json:"version"`
Message string `json:"message"`
}
if err := json.Unmarshal(resp.Bytes(), &result); err != nil {
return err
}
current := semver.New(version.Version)
latest := semver.New(strings.TrimPrefix(result.Version, "v"))
if current.LessThan(*latest) {
notice := color.New(color.FgGreen).FprintfFunc()
notice(os.Stderr, "New version found: %s. Update message:\r\n%s \r\nYou can upgrade by: %s", result.Version, result.Message, updateCommand())
}
return nil
}