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/*
* errors.go - Common errors and error handling
*
* Copyright 2017 Google Inc.
* Author: Joe Richey (joerichey@google.com)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package cmd
import (
"github.com/pkg/errors"
"github.com/google/fscrypt/util"
)
// Common errors used across commands
var (
ErrUnknownVersion = errors.New("unknown (missing version tag)")
ErrCanceled = errors.New("operation canceled by user")
ErrMustForce = errors.New("operation must be forced")
ErrNotRoot = errors.New("operation must be run as root")
)
// CheckIfRoot returns an error if the current user is not the root user.
func CheckIfRoot() error {
if id := util.CurrentUserID(); id != 0 {
return errors.Wrapf(ErrNotRoot, "user %s", util.GetUser(id).Username)
}
return nil
}
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