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force.go
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force.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package flags
import (
"bufio"
"fmt"
"os"
"strings"
)
func AreYouSure() bool {
return YesOrNo("Are you sure?")
}
func DoYouApproveTx() bool {
return YesOrNo("Do you approve this transaction?")
}
func YesOrNo(question string) bool {
reader := bufio.NewReader(os.Stdin)
defer fmt.Println()
for {
fmt.Print(question + " (y/n) ") //nolint:forbidigo
answer, err := reader.ReadString('\n')
if err != nil {
panic(fmt.Errorf("couldn't read input: %w", err))
}
answer = strings.ToLower(strings.Trim(answer, " \r\n\t"))
switch answer {
case "yes", "y":
return true
case "no", "n":
return false
default:
fmt.Printf("invalid answer %q, expect \"yes\" or \"no\"\n", answer) //nolint:forbidigo
}
}
}