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40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2014-2015 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package osutil
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import (
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"os/exec"
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"syscall"
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)
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// ExitCode extract the exit code from the error of a failed cmd.Run() or the
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// original error if its not a exec.ExitError
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func ExitCode(runErr error) (e int, err error) {
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// TODO: with golang-1.12 this becomes a bit nicer:
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// https://github.com/golang/go/issues/26539
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// golang, you are kidding me, right?
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if exitErr, ok := runErr.(*exec.ExitError); ok {
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waitStatus := exitErr.Sys().(syscall.WaitStatus)
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e = waitStatus.ExitStatus()
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return e, nil
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}
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return e, runErr
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}
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