mirror of
https://github.com/golang/go
synced 2024-11-23 13:40:04 -07:00
97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This program can be used as go_android_GOARCH_exec by the Go tool.
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// It executes binaries on an android device using adb.
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package main
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import (
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"bytes"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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)
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func run(args ...string) string {
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buf := new(bytes.Buffer)
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cmd := exec.Command("adb", args...)
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cmd.Stdout = io.MultiWriter(os.Stdout, buf)
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cmd.Stderr = os.Stderr
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log.Printf("adb %s", strings.Join(args, " "))
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err := cmd.Run()
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if err != nil {
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log.Fatalf("adb %s: %v", strings.Join(args, " "), err)
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}
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return buf.String()
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}
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func main() {
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log.SetFlags(0)
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log.SetPrefix("go_android_exec: ")
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// Determine thepackage by examining the current working
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// directory, which will look something like
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// "$GOROOT/src/pkg/mime/multipart". We extract everything
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// after the $GOROOT to run on the same relative directory
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// on the target device.
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//
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// TODO(crawshaw): Pick useful subdir when we are not
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// inside a GOROOT, e.g. we are in a GOPATH.
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cwd, err := os.Getwd()
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if err != nil {
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log.Fatal(err)
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}
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subdir, err := filepath.Rel(runtime.GOROOT(), cwd)
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if err != nil {
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log.Fatal(err)
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}
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subdir = filepath.ToSlash(subdir)
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// Binary names can conflict.
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// E.g. template.test from the {html,text}/template packages.
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binName := filepath.Base(os.Args[1])
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deviceGoroot := "/data/local/tmp/goroot"
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deviceBin := fmt.Sprintf("%s/%s-%d", deviceGoroot, binName, os.Getpid())
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// The push of the binary happens in parallel with other tests.
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// Unfortunately, a simultaneous call to adb shell hold open
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// file descriptors, so it is necessary to push then move to
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// avoid a "text file busy" error on execution.
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// https://code.google.com/p/android/issues/detail?id=65857
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run("push", os.Args[1], deviceBin+"-tmp")
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run("shell", "cp '"+deviceBin+"-tmp' '"+deviceBin+"'")
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run("shell", "rm '"+deviceBin+"-tmp'")
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// The adb shell command will return an exit code of 0 regardless
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// of the command run. E.g.
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// $ adb shell false
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// $ echo $?
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// 0
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// https://code.google.com/p/android/issues/detail?id=3254
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// So we append the exitcode to the output and parse it from there.
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const exitstr = "exitcode="
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cmd := `export TMPDIR="/data/local/tmp"` +
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`; export GOROOT="` + deviceGoroot + `"` +
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`; cd "$GOROOT/` + subdir + `"` +
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"; '" + deviceBin + "' " + strings.Join(os.Args[2:], " ") +
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"; echo -n " + exitstr + "$?"
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output := run("shell", cmd)
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run("shell", "rm '"+deviceBin+"'") // cleanup
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output = output[strings.LastIndex(output, "\n")+1:]
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if !strings.HasPrefix(output, exitstr) {
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log.Fatalf("no exit code: %q", output)
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}
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code, err := strconv.Atoi(output[len(exitstr):])
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if err != nil {
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log.Fatalf("bad exit code: %v", err)
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}
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os.Exit(code)
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}
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