func doLogout() error {
var identity = *appArgs.identity
_, err := os.Lstat(identity)
if err != nil {
if os.IsNotExist(err) {
fmt.Println("No saved credentials at", identity)
fmt.Println("Nothing to do.")
return nil
}
}
comm.Notice("Important note", []string{
"Note: this command will not invalidate the API key itself.",
"If you wish to revoke it (for example, because it's been compromised), you should do so in your user settings:",
"",
fmt.Sprintf(" %s/user/settings\n\n", *appArgs.address),
})
comm.Logf("")
if !comm.YesNo("Do you want to erase your saved API key?") {
fmt.Println("Okay, not erasing credentials. Bye!")
return nil
}
err = os.Remove(identity)
if err != nil {
return errors.Wrap(err, 1)
}
fmt.Println("You've successfully erased the API key that was saved on your computer.")
return nil
}
func doUpgrade(head bool) error {
if head {
if !comm.YesNo("Do you want to upgrade to the bleeding-edge version? Things may break!") {
comm.Logf("Okay, not upgrading. Bye!")
return nil
}
return applyUpgrade("head", "head")
}
if version == "head" {
comm.Statf("Bleeding-edge, not upgrading unless told to.")
comm.Logf("(Use `--head` if you want to upgrade to the latest bleeding-edge version)")
return nil
}
comm.Opf("Looking for upgrades...")
currentVer, latestVer, err := queryLatestVersion()
if err != nil {
return fmt.Errorf("Version check failed: %s", err.Error())
}
if latestVer == nil || currentVer.GTE(*latestVer) {
comm.Statf("Your butler is up-to-date. Have a nice day!")
return nil
}
comm.Statf("Current version: %s", currentVer.String())
comm.Statf("Latest version : %s", latestVer.String())
if !comm.YesNo("Do you want to upgrade now?") {
comm.Logf("Okay, not upgrading. Bye!")
return nil
}
must(applyUpgrade(currentVer.String(), latestVer.String()))
return nil
}