func getEmailsForRevoking(app *app.App, t *auth.Team) []string {
var i int
teams := app.GetTeams()
users := make([]string, len(t.Users))
for _, email := range t.Users {
found := false
for _, team := range teams {
for _, user := range team.Users {
if user == email {
found = true
break
}
}
}
if !found {
users[i] = email
i++
}
}
return users[:i]
}