func main() {
vA, err := semver.NewVersion(os.Args[1])
if err != nil {
fmt.Println(err.Error())
}
vB, err := semver.NewVersion(os.Args[2])
if err != nil {
fmt.Println(err.Error())
}
fmt.Printf("%s < %s == %t\n", vA, vB, vA.LessThan(*vB))
}
func init() {
sv, err := semver.NewVersion(Version)
if err != nil {
panic("bad version string!")
}
SemVersion = *sv
}
func newFakeRegistryForCheckVersion(v string) registry.Registry {
sv, err := semver.NewVersion(v)
if err != nil {
panic(err)
}
reg := registry.NewFakeRegistry()
reg.SetLatestVersion(*sv)
return reg
}
// GetLatestVersion attempts to retrieve the latest version of fleet that has
// been registered in the Registry. It returns the version if it can be
// determined (or nil otherwise), and any error encountered.
func (r *EtcdRegistry) GetLatestVersion() (*semver.Version, error) {
machs, err := r.GetActiveMachines()
if err != nil {
if isKeyNotFound(err) {
err = nil
}
return nil, err
}
var lv *semver.Version
for _, m := range machs {
v, err := semver.NewVersion(m.Version)
if err != nil {
continue
} else if lv == nil || lv.LessThan(*v) {
lv = v
}
}
return lv, nil
}