56 lines
1 KiB
Go
56 lines
1 KiB
Go
package command
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"github.com/github/gh-cli/utils"
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"github.com/mattn/go-isatty"
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)
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const nwo = "github/homebrew-gh"
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func CheckForUpdate() error {
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if !isatty.IsTerminal(os.Stdout.Fd()) {
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return nil
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}
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latestVersion, err := getLastestVersion()
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if err != nil {
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return err
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}
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updateAvailable := latestVersion != Version
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if updateAvailable {
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fmt.Printf(utils.Cyan(`
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New version of gh is available! %s → %s
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Changelog: https://github.com/%s/releases/tag/%[2]s
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Run 'brew upgrade github/gh/gh' to update!`)+"\n\n", Version, latestVersion, nwo)
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}
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return nil
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}
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func getLastestVersion() (string, error) {
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url := fmt.Sprint("https://api.github.com/repos/%s/releases/latest", nwo)
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resp, err := http.Get(url)
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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data, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return "", err
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}
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var j struct {
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LatestVersion string `json:"tag_name"`
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}
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json.Unmarshal(data, &j)
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return j.LatestVersion, nil
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}
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