Golang vcs.RepoRootForImportPath函数代码示例

// repoForTool returns the correct RepoRoot for the buildTool, or an error if
// the tool is unknown.
func repoForTool() (*vcs.RepoRoot, error) {
	switch *buildTool {
	case "go":
		return vcs.RepoRootForImportPath(*gcPath, *verbose)
	case "gccgo":
		return vcs.RepoRootForImportPath(gofrontendImportPath, *verbose)
	default:
		return nil, fmt.Errorf("unknown build tool: %s", *buildTool)
	}
}

// RemoteRepo constructs a *Repo representing a remote repository.
func RemoteRepo(url, path string) (*Repo, error) {
	rr, err := vcs.RepoRootForImportPath(url, *verbose)
	if err != nil {
		return nil, err
	}
	return &Repo{
		Path:   path,
		Master: rr,
	}, nil
}

func VCSForImportPath(importPath string) (*VCS, *vcs.RepoRoot, error) {
	rr, err := vcs.RepoRootForImportPath(importPath, false)
	if err != nil {
		return nil, nil, err
	}
	vcs := cmd[rr.VCS]
	if vcs == nil {
		return nil, nil, fmt.Errorf("%s is unsupported: %s", rr.VCS.Name, importPath)
	}
	return vcs, rr, nil
}

func main() {
	flag.Parse()

	if *importPathFlag != "" {
		repoRoot, err := vcs.RepoRootForImportPath(*importPathFlag, false)
		if err == nil {
			fmt.Fprintln(os.Stdout, toJson(repoRoot))
			os.Exit(0)
		} else {
			fmt.Fprintln(os.Stderr, err.Error())
			os.Exit(1)
		}
	}
}

// buildSubrepo fetches the given package, updates it to the specified hash,
// and runs 'go test -short pkg/...'. It returns the build log and any error.
func (b *Builder) buildSubrepo(goRoot, goPath, pkg, hash string) (string, error) {
	goTool := filepath.Join(goRoot, "bin", "go") + exeExt
	env := append(b.envv(), "GOROOT="+goRoot, "GOPATH="+goPath)

	// add $GOROOT/bin and $GOPATH/bin to PATH
	for i, e := range env {
		const p = "PATH="
		if !strings.HasPrefix(e, p) {
			continue
		}
		sep := string(os.PathListSeparator)
		env[i] = p + filepath.Join(goRoot, "bin") + sep + filepath.Join(goPath, "bin") + sep + e[len(p):]
	}

	// fetch package and dependencies
	log, ok, err := runLog(*cmdTimeout, env, goPath, goTool, "get", "-d", pkg+"/...")
	if err == nil && !ok {
		err = fmt.Errorf("go exited with status 1")
	}
	if err != nil {
		return log, err
	}

	// hg update to the specified hash
	pkgmaster, err := vcs.RepoRootForImportPath(pkg, *verbose)
	if err != nil {
		return "", fmt.Errorf("Error finding subrepo (%s): %s", pkg, err)
	}
	repo := &Repo{
		Path:   filepath.Join(goPath, "src", pkg),
		Master: pkgmaster,
	}
	if err := repo.UpdateTo(hash); err != nil {
		return "", err
	}

	// test the package
	log, ok, err = runLog(*buildTimeout, env, goPath, goTool, "test", "-short", pkg+"/...")
	if err == nil && !ok {
		err = fmt.Errorf("go exited with status 1")
	}
	return log, err
}

// commitWatcher polls hg for new commits and tells the dashboard about them.
func commitWatcher(goroot *Repo) {
	if *commitInterval == 0 {
		log.Printf("commitInterval is %s, disabling commitWatcher", *commitInterval)
		return
	}
	// Create builder just to get master key.
	b, err := NewBuilder(goroot, "mercurial-commit")
	if err != nil {
		log.Fatal(err)
	}
	key := b.key

	benchMutex.RLock()
	for {
		if *verbose {
			log.Printf("poll...")
		}
		// Main Go repository.
		commitPoll(goroot, "", key)
		// Go sub-repositories.
		for _, pkg := range dashboardPackages("subrepo") {
			pkgmaster, err := vcs.RepoRootForImportPath(pkg, *verbose)
			if err != nil {
				log.Printf("Error finding subrepo (%s): %s", pkg, err)
				continue
			}
			pkgroot := &Repo{
				Path:   filepath.Join(*buildroot, pkg),
				Master: pkgmaster,
			}
			commitPoll(pkgroot, pkg, key)
		}
		benchMutex.RUnlock()
		if *verbose {
			log.Printf("sleep...")
		}
		time.Sleep(*commitInterval)
		benchMutex.RLock()
	}
}

// buildSubrepo fetches the given package, updates it to the specified hash,
// and runs 'go test -short pkg/...'. It returns the build log and any error.
func (b *Builder) buildSubrepo(goRoot, goPath, pkg, hash string) (string, error) {
	goTool := filepath.Join(goRoot, "bin", "go") + exeExt
	env := append(b.envv(), "GOROOT="+goRoot, "GOPATH="+goPath)

	// add $GOROOT/bin and $GOPATH/bin to PATH
	for i, e := range env {
		const p = "PATH="
		if !strings.HasPrefix(e, p) {
			continue
		}
		sep := string(os.PathListSeparator)
		env[i] = p + filepath.Join(goRoot, "bin") + sep + filepath.Join(goPath, "bin") + sep + e[len(p):]
	}

	// fetch package and dependencies
	var outbuf bytes.Buffer
	err := run(exec.Command(goTool, "get", "-d", pkg+"/..."), runEnv(env), allOutput(&outbuf), runDir(goPath))
	if err != nil {
		return outbuf.String(), err
	}
	outbuf.Reset()

	// hg update to the specified hash
	pkgmaster, err := vcs.RepoRootForImportPath(pkg, *verbose)
	if err != nil {
		return "", fmt.Errorf("Error finding subrepo (%s): %s", pkg, err)
	}
	repo := &Repo{
		Path:   filepath.Join(goPath, "src", pkg),
		Master: pkgmaster,
	}
	if err := repo.UpdateTo(hash); err != nil {
		return "", err
	}

	// test the package
	err = run(exec.Command(goTool, "test", "-short", pkg+"/..."),
		runTimeout(*buildTimeout), runEnv(env), allOutput(&outbuf), runDir(goPath))
	return outbuf.String(), err
}

func repoForDep(dep *parser.Dependency) (*vcs.RepoRoot, error) {
	if dep.URL != "" {
		return RepoRootForImportPathWithURLOverride(dep.Pkg, dep.URL)
	}
	return vcs.RepoRootForImportPath(dep.Pkg, true)
}

//.........这里部分代码省略.........
			}
		}

		// if rev is not given, record current rev in path
		if dep.Rev == "" {
			rev, err := g.currentRev(repo.VCS.Cmd, tmpPkgPath)
			if err != nil {
				return err
			}
			dep.Rev = rev
		}
		lockedDeps[dep.Pkg] = dep

		// checkout specified rev
		err = g.checkout(repo.VCS.Cmd, tmpPkgPath, dep.Rev)
		if err != nil {
			return err
		}
	}

	for _, dep := range deps {
		g.stdout.Write([]byte(colors.OK + "=> Fetching dependencies for " + dep.Pkg + "..." + colors.Reset + "\n"))

		repo := repos[dep.Pkg]
		tmpPkgPath := path.Join(tmpSrcPath, repo.Root)

		// fetch sub-dependencies
		subdeps, err := g.goGet(tmpPkgPath, tmpGoPath)
		if err != nil {
			return err
		}

		for _, subdep := range subdeps {
			subdepRepo, err := vcs.RepoRootForImportPath(subdep, true)
			if err != nil {
				return err
			}

			subdepPkgPath := path.Join(tmpSrcPath, subdepRepo.Root)

			rev, err := g.currentRev(subdepRepo.VCS.Cmd, subdepPkgPath)
			if err != nil {
				return err
			}

			err = g.checkout(subdepRepo.VCS.Cmd, subdepPkgPath, rev)
			if err != nil {
				return err
			}

			repos[subdep] = subdepRepo
			lockedDeps[subdep] = &parser.Dependency{Pkg: subdep, Rev: rev}
		}
	}

	for _, dep := range lockedDeps {
		g.stdout.Write([]byte(colors.OK + "=> Installing " + dep.Pkg + "..." + colors.Reset + "\n"))

		repo := repos[dep.Pkg]
		pkgPath := path.Join(srcPath, repo.Root)
		tmpPkgPath := path.Join(tmpSrcPath, repo.Root)

		err = os.MkdirAll(path.Join(pkgPath, ".."), 0775)
		if err != nil {
			return err
		}