func (r byVersion) Less(i, j int) bool {
first, err := semver.New(determineVersionFromTag(*r[i].TagName))
if err != nil {
return true
}
second, err := semver.New(determineVersionFromTag(*r[j].TagName))
if err != nil {
return false
}
return first.LT(*second)
}
// bumpedVersion returns new bumped-up version according to given spec.
func (conf Config) bumpedVersion(version string) (string, error) {
if conf.Exact != "" {
exact, err := semver.New(conf.Exact)
if err != nil {
return "", err
}
return exact.String(), nil
}
v, err := semver.Parse(version)
if err != nil {
return "", err
}
if conf.MajorDelta > 0 {
v.Major = v.Major + conf.MajorDelta
v.Minor = 0
v.Patch = 0
} else if conf.MinorDelta > 0 {
v.Minor = v.Minor + conf.MinorDelta
v.Patch = 0
} else if conf.PatchDelta > 0 {
v.Patch = v.Patch + conf.PatchDelta
}
return v.String(), nil
}
func (cfg *Config) isNewerVersion(newer string) bool {
nv, err := semver.New(newer)
if err != nil {
log.Errorf("Bad version string on update: %v", err)
return false
}
return nv.GT(cfg.version)
}
func (g *GpgCLI) VersionAtLeast(s string) (bool, error) {
min, err := semver.New(s)
if err != nil {
return false, err
}
cur, err := g.SemanticVersion()
if err != nil {
return false, err
}
return cur.GTE(*min), nil
}
func (g *GpgCLI) SemanticVersion() (*semver.Version, error) {
out, err := g.Version()
if err != nil {
return nil, err
}
lines := strings.Split(out, "\n")
if len(lines) == 0 {
return nil, errors.New("empty gpg version")
}
parts := strings.Fields(lines[0])
if len(parts) < 3 {
return nil, fmt.Errorf("unhandled gpg version output %q full: %q", lines[0], lines)
}
return semver.New(parts[2])
}
func LatestAvailableVersion() semver.Version {
resp, err := http.Get(GithubUrl + appReleasesUrl)
if err != nil || resp.StatusCode != 200 {
log.Fatal("There was an error updating imgix")
}
defer resp.Body.Close()
body, _ := ioutil.ReadAll(resp.Body)
release := &Release{}
json.Unmarshal([]byte(body), &release)
latest, _ := semver.New(strings.Replace(release.TagName, "v", "", -1))
return *latest
}
// Apply applies the next available update whenever it is available, blocking
// until the next update has been applied. If ApplyNext returns without an
// error, that means that the current program's executable has been udpated in
// place and you may want to restart. If ApplyNext returns an error, that means
// that an unrecoverable error has occurred and we can't continue checking for
// updates.
func ApplyNext(cfg *Config) error {
// Parse the semantic version
var err error
cfg.version, err = semver.New(cfg.CurrentVersion)
if err != nil {
return fmt.Errorf("Bad version string: %v", err)
}
if cfg.CheckInterval == 0 {
cfg.CheckInterval = defaultCheckInterval
log.Debugf("Defaulted CheckInterval to %v", cfg.CheckInterval)
}
if cfg.HTTPClient == nil {
cfg.HTTPClient = defaultHTTPClient
log.Debug("Defaulted HTTPClient")
}
update.HTTPClient = cfg.HTTPClient
return cfg.loop()
}
// Check latest version of git-hooks by github release
// If there are new version of git-hooks, download and replace the current one
func update(releases []github.RepositoryRelease) {
release := releases[0]
version := *release.TagName
logger.Infoln("Current version is " + VERSION + ", latest version is " + version)
current, err := semver.New(VERSION[1:])
if err != nil {
logger.Errorln("Semver parse error ", err)
return
}
latest, err := semver.New(version[1:])
if err != nil {
logger.Errorln("Semver parse error ", err)
return
}
// latest version
if current.GTE(latest) {
logger.Infoln(MESSAGES["UpdateToDate"])
return
}
// backward incompatible
if latest.Major != current.Major {
logger.Infoln(MESSAGES["Incompatible"])
return
}
// previous version
target := fmt.Sprintf("git-hooks_%s_%s.tar.gz", runtime.GOOS, runtime.GOARCH)
for _, asset := range release.Assets {
if *asset.Name != target {
continue
}
// download
logger.Infoln("Downloading latest version...")
tmpFileName, err := downloadFromUrl(*asset.BrowserDownloadURL)
if err != nil {
logger.Errorln("Fail to download", err)
return
}
logger.Infoln("Download complete")
// extract
tmpFileName, err = extract(tmpFileName)
if err != nil {
logger.Errorln("Fail to extract tar.gz", err)
return
}
logger.Infoln("Extract complete")
// install binary in non-test environment
if !isTestEnv() {
err = installBinary(tmpFileName)
if err != nil {
logger.Errorln("Fail to install binary", err)
return
}
}
logger.Infoln("Successfully update " + NAME + " to " + version)
break
}
}
func (c *CheckCommand) Run(request CheckRequest) ([]Version, error) {
releases, err := c.github.ListReleases()
if err != nil {
return []Version{}, err
}
if len(releases) == 0 {
return []Version{}, nil
}
var filteredReleases []github.RepositoryRelease
for _, release := range releases {
if request.Source.Drafts != *release.Draft {
continue
}
if release.TagName == nil {
continue
}
if _, err := semver.New(determineVersionFromTag(*release.TagName)); err != nil {
continue
}
filteredReleases = append(filteredReleases, release)
}
sort.Sort(byVersion(filteredReleases))
if len(filteredReleases) == 0 {
return []Version{}, nil
}
latestRelease := filteredReleases[len(filteredReleases)-1]
if (request.Version == Version{}) {
return []Version{
versionFromDraft(&latestRelease),
}, nil
}
if *latestRelease.TagName == request.Version.Tag {
return []Version{}, nil
}
upToLatest := false
reversedVersions := []Version{}
for _, release := range filteredReleases {
if upToLatest {
reversedVersions = append(reversedVersions, versionFromDraft(&release))
} else {
if *release.Draft {
id := *release.ID
upToLatest = request.Version.ID == strconv.Itoa(id)
} else {
version := *release.TagName
upToLatest = request.Version.Tag == version
}
}
}
return reversedVersions, nil
}
func main() {
v, err := semver.Parse("0.0.1-alpha.preview.222+123.github")
if err != nil {
fmt.Printf("Error while parsing (not valid): %q", err)
}
fmt.Printf("Version to string: %q\n", v)
fmt.Printf("Major: %d\n", v.Major)
fmt.Printf("Minor: %d\n", v.Minor)
fmt.Printf("Patch: %d\n", v.Patch)
// Prerelease versions
if len(v.Pre) > 0 {
fmt.Println("Prerelease versions:")
for i, pre := range v.Pre {
fmt.Printf("%d: %q\n", i, pre)
}
}
// Build meta data
if len(v.Build) > 0 {
fmt.Println("Build meta data:")
for i, build := range v.Build {
fmt.Printf("%d: %q\n", i, build)
}
}
// New == Parse
v001, err := semver.New("0.0.1")
fmt.Println("\nUse Version.Compare for comparisons (-1, 0, 1):")
fmt.Printf("%q is greater than %q: Compare == %d\n", v001, v, v001.Compare(v))
fmt.Printf("%q is less than %q: Compare == %d\n", v, v001, v.Compare(v001))
fmt.Printf("%q is equal to %q: Compare == %d\n", v, v, v.Compare(v))
fmt.Println("\nUse comparison helpers returning booleans:")
fmt.Printf("%q is greater than %q: %t\n", v001, v, v001.GT(v))
fmt.Printf("%q is greater than equal %q: %t\n", v001, v, v001.GTE(v))
fmt.Printf("%q is greater than equal %q: %t\n", v, v, v.GTE(v))
fmt.Printf("%q is less than %q: %t\n", v, v001, v.LT(v001))
fmt.Printf("%q is less than equal %q: %t\n", v, v001, v.LTE(v001))
fmt.Printf("%q is less than equal %q: %t\n", v, v, v.LTE(v))
fmt.Println("\nManipulate Version in place:")
v.Pre[0], err = semver.NewPRVersion("beta")
if err != nil {
fmt.Printf("Error parsing pre release version: %q", err)
}
fmt.Printf("Version to string: %q\n", v)
fmt.Println("\nCompare Prerelease versions:")
pre1, _ := semver.NewPRVersion("123")
pre2, _ := semver.NewPRVersion("alpha")
pre3, _ := semver.NewPRVersion("124")
fmt.Printf("%q is less than %q: Compare == %d\n", pre1, pre2, pre1.Compare(pre2))
fmt.Printf("%q is greater than %q: Compare == %d\n", pre3, pre1, pre3.Compare(pre1))
fmt.Printf("%q is equal to %q: Compare == %d\n", pre1, pre1, pre1.Compare(pre1))
fmt.Println("\nValidate versions:")
v.Build[0] = "?"
err = v.Validate()
if err != nil {
fmt.Printf("Validation failed: %s\n", err)
}
fmt.Println("Create valid build meta data:")
b1, _ := semver.NewBuildVersion("build123")
v.Build[0] = b1
fmt.Printf("Version with new build version %q\n", v)
_, err = semver.NewBuildVersion("build?123")
if err != nil {
fmt.Printf("Create build version failed: %s\n", err)
}
}
func updateAvailable() bool {
current, _ := semver.New(version)
latest := LatestAvailableVersion()
return current.Compare(latest) == -1
}