233db64cc1
a little copying is better than a little dependency -- go proverb We have this dependency on docker, a.k.a moby: a gigantic library, and we only need ~70 LOC, so here I tried moving it inline instead. Co-authored-by: Felix Lange <fjl@twurst.com>
33 lines
774 B
Go
33 lines
774 B
Go
// This file originates from Docker/Moby,
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// https://github.com/moby/moby/blob/master/pkg/reexec/
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// Licensed under Apache License 2.0: https://github.com/moby/moby/blob/master/LICENSE
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// Copyright 2013-2018 Docker, Inc.
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//go:build !linux
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package reexec
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import (
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"os"
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"os/exec"
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"path/filepath"
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)
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// Self returns the path to the current process's binary.
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// Uses os.Args[0].
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func Self() string {
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name := os.Args[0]
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if filepath.Base(name) == name {
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if lp, err := exec.LookPath(name); err == nil {
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return lp
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}
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}
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// handle conversion of relative paths to absolute
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if absName, err := filepath.Abs(name); err == nil {
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return absName
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}
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// if we couldn't get absolute name, return original
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// (NOTE: Go only errors on Abs() if os.Getwd fails)
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return name
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}
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