all: Use Executable from os instead of osext (fixes #4900) (#4950)

This commit is contained in:
Simon Frei 2018-05-13 07:43:24 +02:00 committed by Jakob Borg
parent 0c81fa4191
commit a7e30c925f
10 changed files with 3 additions and 302 deletions

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@ -28,7 +28,6 @@ Jakob Borg, Audrius Butkevicius, Simon Frei, Alexander Graf, Anderson Mesquita,
<li><a href="https://github.com/gogo/protobuf">gogo/protobuf</a>, Copyright &copy; 2013 The GoGo Authors.</li>
<li><a href="https://github.com/golang/snappy">golang/snappy</a>, Copyright &copy; 2011 The Snappy-Go Authors.</li>
<li><a href="https://github.com/jackpal/gateway">jackpal/gateway</a>, Copyright &copy; 2010 Jack Palevich.</li>
<li><a href="https://github.com/kardianos/osext">kardianos/osext</a>, Copyright &copy; 2012 Daniel Theophanes.</li>
<li><a href="https://github.com/minio/sha256-simd">minio/sha256-simd</a>, Copyright &copy; 2016 Minio, Inc.</li>
<li><a href="https://github.com/rcrowley/go-metrics">rcrowley/go-metrics</a>, Copyright &copy; 2012 Richard Crowley.</li>
<li><a href="https://github.com/sasha-s/go-deadlock">sasha-s/go-deadlock</a>, Copyright &copy; 2016 sasha-s</li>

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@ -10,12 +10,11 @@ package upgrade
import (
"errors"
"fmt"
"os"
"path"
"runtime"
"strconv"
"strings"
"github.com/kardianos/osext"
)
type Release struct {
@ -45,7 +44,7 @@ func init() {
func To(rel Release) error {
select {
case <-upgradeUnlocked:
path, err := osext.Executable()
path, err := os.Executable()
if err != nil {
upgradeUnlocked <- true
return err
@ -64,7 +63,7 @@ func To(rel Release) error {
func ToURL(url string) error {
select {
case <-upgradeUnlocked:
binary, err := osext.Executable()
binary, err := os.Executable()
if err != nil {
upgradeUnlocked <- true
return err

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@ -1,27 +0,0 @@
Copyright (c) 2012 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@ -1,33 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Extensions to the standard "os" package.
package osext // import "github.com/kardianos/osext"
import "path/filepath"
var cx, ce = executableClean()
func executableClean() (string, error) {
p, err := executable()
return filepath.Clean(p), err
}
// Executable returns an absolute path that can be used to
// re-invoke the current program.
// It may not be valid after the current program exits.
func Executable() (string, error) {
return cx, ce
}
// Returns same path as Executable, returns just the folder
// path. Excludes the executable name and any trailing slash.
func ExecutableFolder() (string, error) {
p, err := Executable()
if err != nil {
return "", err
}
return filepath.Dir(p), nil
}

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@ -1,9 +0,0 @@
//+build go1.8,!openbsd
package osext
import "os"
func executable() (string, error) {
return os.Executable()
}

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@ -1,22 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//+build !go1.8
package osext
import (
"os"
"strconv"
"syscall"
)
func executable() (string, error) {
f, err := os.Open("/proc/" + strconv.Itoa(os.Getpid()) + "/text")
if err != nil {
return "", err
}
defer f.Close()
return syscall.Fd2path(int(f.Fd()))
}

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@ -1,36 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8,android !go1.8,linux !go1.8,netbsd !go1.8,solaris !go1.8,dragonfly
package osext
import (
"errors"
"fmt"
"os"
"runtime"
"strings"
)
func executable() (string, error) {
switch runtime.GOOS {
case "linux", "android":
const deletedTag = " (deleted)"
execpath, err := os.Readlink("/proc/self/exe")
if err != nil {
return execpath, err
}
execpath = strings.TrimSuffix(execpath, deletedTag)
execpath = strings.TrimPrefix(execpath, deletedTag)
return execpath, nil
case "netbsd":
return os.Readlink("/proc/curproc/exe")
case "dragonfly":
return os.Readlink("/proc/curproc/file")
case "solaris":
return os.Readlink(fmt.Sprintf("/proc/%d/path/a.out", os.Getpid()))
}
return "", errors.New("ExecPath not implemented for " + runtime.GOOS)
}

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@ -1,126 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8,darwin !go1.8,freebsd openbsd
package osext
import (
"os"
"os/exec"
"path/filepath"
"runtime"
"syscall"
"unsafe"
)
var initCwd, initCwdErr = os.Getwd()
func executable() (string, error) {
var mib [4]int32
switch runtime.GOOS {
case "freebsd":
mib = [4]int32{1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1}
case "darwin":
mib = [4]int32{1 /* CTL_KERN */, 38 /* KERN_PROCARGS */, int32(os.Getpid()), -1}
case "openbsd":
mib = [4]int32{1 /* CTL_KERN */, 55 /* KERN_PROC_ARGS */, int32(os.Getpid()), 1 /* KERN_PROC_ARGV */}
}
n := uintptr(0)
// Get length.
_, _, errNum := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
if errNum != 0 {
return "", errNum
}
if n == 0 { // This shouldn't happen.
return "", nil
}
buf := make([]byte, n)
_, _, errNum = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&n)), 0, 0)
if errNum != 0 {
return "", errNum
}
if n == 0 { // This shouldn't happen.
return "", nil
}
var execPath string
switch runtime.GOOS {
case "openbsd":
// buf now contains **argv, with pointers to each of the C-style
// NULL terminated arguments.
var args []string
argv := uintptr(unsafe.Pointer(&buf[0]))
Loop:
for {
argp := *(**[1 << 20]byte)(unsafe.Pointer(argv))
if argp == nil {
break
}
for i := 0; uintptr(i) < n; i++ {
// we don't want the full arguments list
if string(argp[i]) == " " {
break Loop
}
if argp[i] != 0 {
continue
}
args = append(args, string(argp[:i]))
n -= uintptr(i)
break
}
if n < unsafe.Sizeof(argv) {
break
}
argv += unsafe.Sizeof(argv)
n -= unsafe.Sizeof(argv)
}
execPath = args[0]
// There is no canonical way to get an executable path on
// OpenBSD, so check PATH in case we are called directly
if execPath[0] != '/' && execPath[0] != '.' {
execIsInPath, err := exec.LookPath(execPath)
if err == nil {
execPath = execIsInPath
}
}
default:
for i, v := range buf {
if v == 0 {
buf = buf[:i]
break
}
}
execPath = string(buf)
}
var err error
// execPath will not be empty due to above checks.
// Try to get the absolute path if the execPath is not rooted.
if execPath[0] != '/' {
execPath, err = getAbs(execPath)
if err != nil {
return execPath, err
}
}
// For darwin KERN_PROCARGS may return the path to a symlink rather than the
// actual executable.
if runtime.GOOS == "darwin" {
if execPath, err = filepath.EvalSymlinks(execPath); err != nil {
return execPath, err
}
}
return execPath, nil
}
func getAbs(execPath string) (string, error) {
if initCwdErr != nil {
return execPath, initCwdErr
}
// The execPath may begin with a "../" or a "./" so clean it first.
// Join the two paths, trailing and starting slashes undetermined, so use
// the generic Join function.
return filepath.Join(initCwd, filepath.Clean(execPath)), nil
}

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@ -1,36 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//+build !go1.8
package osext
import (
"syscall"
"unicode/utf16"
"unsafe"
)
var (
kernel = syscall.MustLoadDLL("kernel32.dll")
getModuleFileNameProc = kernel.MustFindProc("GetModuleFileNameW")
)
// GetModuleFileName() with hModule = NULL
func executable() (exePath string, err error) {
return getModuleFileName()
}
func getModuleFileName() (string, error) {
var n uint32
b := make([]uint16, syscall.MAX_PATH)
size := uint32(len(b))
r0, _, e1 := getModuleFileNameProc.Call(0, uintptr(unsafe.Pointer(&b[0])), uintptr(size))
n = uint32(r0)
if n == 0 {
return "", e1
}
return string(utf16.Decode(b[0:n])), nil
}

8
vendor/manifest vendored
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@ -198,14 +198,6 @@
"branch": "master",
"notests": true
},
{
"importpath": "github.com/kardianos/osext",
"repository": "https://github.com/kardianos/osext",
"vcs": "git",
"revision": "ae77be60afb1dcacde03767a8c37337fad28ac14",
"branch": "master",
"notests": true
},
{
"importpath": "github.com/kballard/go-shellquote",
"repository": "https://github.com/kballard/go-shellquote",