Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5.

third_party/go/src/golang.org/x/mobile/cmd/gomobile/release.go

-// Copyright 2015 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 ignore
-
-// Release is a tool for building the NDK tarballs hosted on dl.google.com.
-//
-// The Go toolchain only needs the gcc compiler and headers, which are ~10MB.
-// The entire NDK is ~400MB. Building smaller toolchain binaries reduces the
-// run time of gomobile init significantly.
-package main
-
-import (
-        "archive/tar"
-        "bufio"
-        "compress/gzip"
-        "fmt"
-        "io"
-        "io/ioutil"
-        "log"
-        "net/http"
-        "os"
-        "os/exec"
-        "path/filepath"
-        "runtime"
-)
-
-const ndkVersion = "ndk-r10d"
-
-type version struct {
-        os   string
-        arch string
-}
-
-var hosts = []version{
-        // TODO: windows
-        {"darwin", "x86"},
-        {"darwin", "x86_64"},
-        {"linux", "x86"},
-        {"linux", "x86_64"},
-}
-
-var tmpdir string
-
-func main() {
-        var err error
-        tmpdir, err = ioutil.TempDir("", "gomobile-release-")
-        if err != nil {
-                log.Fatal(err)
-        }
-        defer os.RemoveAll(tmpdir)
-
-        for _, host := range hosts {
-                if err := mkpkg(host); err != nil {
-                        log.Fatal(err)
-                }
-        }
-}
-
-func mkpkg(host version) (err error) {
-        ndkName := "android-" + ndkVersion + "-" + host.os + "-" + host.arch + "."
-        if host.os == "windows" {
-                ndkName += "exe"
-        } else {
-                ndkName += "bin"
-        }
-        url := "http://dl.google.com/android/ndk/" + ndkName
-        log.Printf("%s\n", url)
-        binPath := tmpdir + "/" + ndkName
-        if err := fetch(binPath, url); err != nil {
-                log.Fatal(err)
-        }
-
-        src := tmpdir + "/" + host.os + "-" + host.arch + "-src"
-        dst := tmpdir + "/" + host.os + "-" + host.arch + "-dst"
-        if err := os.Mkdir(src, 0755); err != nil {
-                return err
-        }
-        if err := inflate(src, binPath); err != nil {
-                return err
-        }
-
-        // The NDK is unpacked into tmpdir/linux-x86_64-src/android-ndk-r10d.
-        // Move the files we want into tmpdir/linux-x86_64-dst/android-ndk-r10d.
-        // We preserve the same file layout to make the full NDK interchangable
-        // with the cut down file.
-        usr := "android-" + ndkVersion + "/platforms/android-15/arch-arm/usr"
-        gcc := "android-" + ndkVersion + "/toolchains/arm-linux-androideabi-4.8/prebuilt/" + host.os + "-" + host.arch
-        if err := os.MkdirAll(dst+"/"+usr, 0755); err != nil {
-                return err
-        }
-        if err := os.MkdirAll(dst+"/"+gcc, 0755); err != nil {
-                return err
-        }
-        if err := move(dst+"/"+usr, src+"/"+usr, "include", "lib"); err != nil {
-                return err
-        }
-        if err := move(dst+"/"+gcc, src+"/"+gcc, "bin", "lib", "libexec", "COPYING", "COPYING.LIB"); err != nil {
-                return err
-        }
-
-        // Build the tarball.
-        f, err := os.Create("gomobile-ndk-r10d-" + host.os + "-" + host.arch + ".tar.gz")
-        if err != nil {
-                return err
-        }
-        bw := bufio.NewWriter(f)
-        zw, err := gzip.NewWriterLevel(bw, gzip.BestCompression)
-        if err != nil {
-                return err
-        }
-        tw := tar.NewWriter(zw)
-        defer func() {
-                err2 := f.Close()
-                if err == nil {
-                        err = err2
-                }
-        }()
-        defer func() {
-                err2 := bw.Flush()
-                if err == nil {
-                        err = err2
-                }
-        }()
-        defer func() {
-                err2 := zw.Close()
-                if err == nil {
-                        err = err2
-                }
-        }()
-        defer func() {
-                err2 := tw.Close()
-                if err == nil {
-                        err = err2
-                }
-        }()
-
-        readme := "Stripped down copy of:\n\n\t" + url + "\n\nGenerated by golang.org/x/mobile/cmd/gomobile/release.go."
-        err = tw.WriteHeader(&tar.Header{
-                Name: "README",
-                Mode: 0644,
-                Size: int64(len(readme)),
-        })
-        if err != nil {
-                return err
-        }
-        _, err = tw.Write([]byte(readme))
-        if err != nil {
-                return err
-        }
-
-        return filepath.Walk(dst, func(path string, fi os.FileInfo, err error) error {
-                defer func() {
-                        if err != nil {
-                                err = fmt.Errorf("%s: %v", path, err)
-                        }
-                }()
-                if err != nil {
-                        return err
-                }
-                if path == dst {
-                        return nil
-                }
-                name := path[len(dst)+1:]
-                if fi.IsDir() {
-                        return nil
-                }
-                if fi.Mode()&os.ModeSymlink != 0 {
-                        dst, err := os.Readlink(path)
-                        if err != nil {
-                                log.Printf("bad symlink: %s", name)
-                                return nil
-                        }
-                        //log.Printf("linking %s to %s", name, dst)
-                        return tw.WriteHeader(&tar.Header{
-                                Name:     name,
-                                Linkname: dst,
-                                Typeflag: tar.TypeSymlink,
-                        })
-                }
-                //log.Printf("writing %s (%d)", name, fi.Size())
-                err = tw.WriteHeader(&tar.Header{
-                        Name: name,
-                        Mode: int64(fi.Mode()),
-                        Size: fi.Size(),
-                })
-                if err != nil {
-                        return err
-                }
-                f, err := os.Open(path)
-                if err != nil {
-                        return err
-                }
-                _, err = io.Copy(tw, f)
-                f.Close()
-                return err
-        })
-}
-
-func fetch(dst, url string) error {
-        f, err := os.OpenFile(dst, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0755)
-        if err != nil {
-                return err
-        }
-        resp, err := http.Get(url)
-        if err != nil {
-                return err
-        }
-        _, err = io.Copy(f, resp.Body)
-        err2 := resp.Body.Close()
-        err3 := f.Close()
-        if err != nil {
-                return err
-        }
-        if err2 != nil {
-                return err2
-        }
-        return err3
-}
-
-func inflate(dst, path string) error {
-        p7zip := "7z"
-        if runtime.GOOS == "darwin" {
-                p7zip = "/Applications/Keka.app/Contents/Resources/keka7z"
-        }
-        cmd := exec.Command(p7zip, "x", path)
-        cmd.Dir = dst
-        out, err := cmd.CombinedOutput()
-        if err != nil {
-                os.Stderr.Write(out)
-                return err
-        }
-        return nil
-}
-
-func move(dst, src string, names ...string) error {
-        for _, name := range names {
-                if err := os.Rename(src+"/"+name, dst+"/"+name); err != nil {
-                        return err
-                }
-        }
-        return nil
-}