mirror of
https://github.com/golang/go
synced 2024-11-19 05:44:40 -07:00
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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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/ioutil"
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"log"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"time"
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)
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type godocBuilder struct {
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}
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func (b godocBuilder) Signature(heads map[string]string) string {
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return heads["go"] + "-" + heads["tools"]
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}
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var indexingMsg = []byte("Indexing in progress: result may be inaccurate")
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func (b godocBuilder) Init(dir, hostport string, heads map[string]string) (*exec.Cmd, error) {
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goDir := filepath.Join(dir, "go")
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toolsDir := filepath.Join(dir, "gopath/src/golang.org/x/tools")
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if err := checkout(repoURL+"go", heads["go"], goDir); err != nil {
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return nil, err
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}
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if err := checkout(repoURL+"tools", heads["tools"], toolsDir); err != nil {
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return nil, err
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}
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make := exec.Command(filepath.Join(goDir, "src/make.bash"))
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make.Dir = filepath.Join(goDir, "src")
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if err := runErr(make); err != nil {
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return nil, err
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}
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goBin := filepath.Join(goDir, "bin/go")
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install := exec.Command(goBin, "install", "golang.org/x/tools/cmd/godoc")
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install.Env = []string{
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"GOROOT=" + goDir,
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"GOPATH=" + filepath.Join(dir, "gopath"),
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"GOROOT_BOOTSTRAP=" + os.Getenv("GOROOT_BOOTSTRAP"),
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}
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if err := runErr(install); err != nil {
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return nil, err
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}
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godocBin := filepath.Join(goDir, "bin/godoc")
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godoc := exec.Command(godocBin, "-http="+hostport, "-index", "-index_interval=-1s")
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godoc.Env = []string{"GOROOT=" + goDir}
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// TODO(adg): log this somewhere useful
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godoc.Stdout = os.Stdout
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godoc.Stderr = os.Stderr
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if err := godoc.Start(); err != nil {
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return nil, err
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}
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go func() {
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// TODO(bradfitz): tell the proxy that this side is dead
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if err := godoc.Wait(); err != nil {
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log.Printf("process in %v exited: %v", dir, err)
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}
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}()
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var err error
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deadline := time.Now().Add(startTimeout)
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for time.Now().Before(deadline) {
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time.Sleep(time.Second)
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var res *http.Response
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res, err = http.Get(fmt.Sprintf("http://%v/search?q=FALLTHROUGH", hostport))
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if err != nil {
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continue
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}
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rbody, err := ioutil.ReadAll(res.Body)
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res.Body.Close()
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if err == nil && res.StatusCode == http.StatusOK &&
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!bytes.Contains(rbody, indexingMsg) {
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return godoc, nil
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}
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}
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godoc.Process.Kill()
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return nil, fmt.Errorf("timed out waiting for process in %v at %v (%v)", dir, hostport, err)
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}
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