+ if fields := strings.Fields(initcmd.Login); len(fields) == 3 && fields[0] == "google" {
+ initcmd.LoginGoogle = true
+ initcmd.LoginGoogleClientID = fields[1]
+ initcmd.LoginGoogleClientSecret = fields[2]
+ } else if initcmd.Login == "test" {
+ initcmd.LoginTest = true
+ } else if initcmd.Login == "pam" {
+ initcmd.LoginPAM = true
+ } else if initcmd.Login == "" {
+ // none; login will show an error page
+ } else {
+ err = fmt.Errorf("invalid argument to -login: %q: should be 'test', 'pam', 'google {client-id} {client-secret}', or empty")
+ return 1
+ }
+
+ confdir := "/etc/arvados"
+ conffile := confdir + "/config.yml"
+ if _, err = os.Stat(conffile); err == nil {
+ err = fmt.Errorf("config file %s already exists; delete it first if you really want to start over", conffile)
+ return 1
+ }
+