1 //go:build go1.19 2 // +build go1.19 3 4 /* 5 Copyright 2022 The Kubernetes Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 */ 19 20 package exec 21 22 import ( 23 "errors" 24 osexec "os/exec" 25 ) 26 27 // maskErrDotCmd reverts the behavior of osexec.Cmd to what it was before go1.19 28 // specifically set the Err field to nil (LookPath returns a new error when the file 29 // is resolved to the current directory. 30 func maskErrDotCmd(cmd *osexec.Cmd) *osexec.Cmd { 31 cmd.Err = maskErrDot(cmd.Err) 32 return cmd 33 } 34 35 func maskErrDot(err error) error { 36 if err != nil && errors.Is(err, osexec.ErrDot) { 37 return nil 38 } 39 return err 40 } 41