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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2014-2015 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package osutil
import (
"os/exec"
"syscall"
)
// ExitCode extract the exit code from the error of a failed cmd.Run() or the
// original error if its not a exec.ExitError
func ExitCode(runErr error) (e int, err error) {
// TODO: with golang-1.12 this becomes a bit nicer:
// https://github.com/golang/go/issues/26539
// golang, you are kidding me, right?
if exitErr, ok := runErr.(*exec.ExitError); ok {
waitStatus := exitErr.Sys().(syscall.WaitStatus)
e = waitStatus.ExitStatus()
return e, nil
}
return e, runErr
}
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