package update import ( "context" "encoding/json" "errors" "fmt" "io" "net/http" "os" "path" "runtime" "strings" "github.com/rs/zerolog/log" "go.woodpecker-ci.org/woodpecker/v2/version" ) func CheckForUpdate(ctx context.Context, force bool) (*NewVersion, error) { return checkForUpdate(ctx, woodpeckerVersionURL, force) } func checkForUpdate(ctx context.Context, versionURL string, force bool) (*NewVersion, error) { log.Debug().Msgf("current version: %s", version.String()) if (version.String() == "dev" || strings.HasPrefix(version.String(), "next-")) && !force { log.Debug().Msgf("skipping update check for development/next versions") return nil, nil } req, err := http.NewRequestWithContext(ctx, http.MethodGet, versionURL, nil) if err != nil { return nil, err } resp, err := http.DefaultClient.Do(req) if err != nil { return nil, err } defer resp.Body.Close() if resp.StatusCode != http.StatusOK { return nil, errors.New("failed to fetch the latest release") } var versionData VersionData if err := json.NewDecoder(resp.Body).Decode(&versionData); err != nil { return nil, err } upstreamVersion := versionData.Latest if strings.HasPrefix(version.String(), "next-") { upstreamVersion = versionData.Next } else if strings.HasSuffix(version.String(), "rc-") { upstreamVersion = versionData.RC } installedVersion := strings.TrimPrefix(version.Version, "v") upstreamVersion = strings.TrimPrefix(upstreamVersion, "v") // using the latest release if installedVersion == upstreamVersion && !force { log.Debug().Msgf("no new version available") return nil, nil } log.Debug().Msgf("new version available: %s", upstreamVersion) assetURL := fmt.Sprintf(githubBinaryURL, upstreamVersion, runtime.GOOS, runtime.GOARCH) return &NewVersion{ Version: upstreamVersion, AssetURL: assetURL, }, nil } func downloadNewVersion(ctx context.Context, downloadURL string) (string, error) { log.Debug().Msgf("downloading new version from %s ...", downloadURL) req, err := http.NewRequestWithContext(ctx, http.MethodGet, downloadURL, nil) if err != nil { return "", err } resp, err := http.DefaultClient.Do(req) if err != nil { return "", err } defer resp.Body.Close() if resp.StatusCode != http.StatusOK { return "", errors.New("failed to download the new version") } file, err := os.CreateTemp("", "woodpecker-cli-*.tar.gz") if err != nil { return "", err } defer file.Close() if _, err := io.Copy(file, resp.Body); err != nil { return "", err } log.Debug().Msgf("new version downloaded to %s", file.Name()) return file.Name(), nil } func extractNewVersion(tarFilePath string) (string, error) { log.Debug().Msgf("extracting new version from %s ...", tarFilePath) tarFile, err := os.Open(tarFilePath) if err != nil { return "", err } defer tarFile.Close() tmpDir, err := os.MkdirTemp("", "woodpecker-cli-*") if err != nil { return "", err } err = UnTar(tmpDir, tarFile) if err != nil { return "", err } err = os.Remove(tarFilePath) if err != nil { return "", err } log.Debug().Msgf("new version extracted to %s", tmpDir) return path.Join(tmpDir, "woodpecker-cli"), nil }