Exemple #1
0
// Compile compiles and links sourcefile and atomically renames the
// resulting binary to runfile.
func Compile(sourcefile, runfile string, useGd bool) (err os.Error) {

	pid := strconv.Itoa(os.Getpid())

	content, err := ioutil.ReadFile(sourcefile)
	if len(content) > 2 && content[0] == '#' && content[1] == '!' {
		content[0] = '/'
		content[1] = '/'
		sourcefile = runfile + "." + pid + ".go"
		ioutil.WriteFile(sourcefile, content, 0600)
		defer os.Remove(sourcefile)
	}

	bindir := filepath.Join(runtime.GOROOT(), "bin")
	if useGd {
		gd := filepath.Join(bindir, "mgd")
		if _, err := os.Stat(gd); err != nil {
			if gd, err = exec.LookPath("mgd"); err != nil {
				return os.NewError("can't find mgd")
			}
		}
		err = Exec([]string{gd, "-L", "_obj", ".", "-q", "-o", runfile})
		return err
	} else {
		n := TheChar()
		gc := filepath.Join(bindir, n+"g")
		ld := filepath.Join(bindir, n+"l")
		if _, err := os.Stat(gc); err != nil {
			if gc, err = exec.LookPath(n + "g"); err != nil {
				return os.NewError("can't find " + n + "g")
			}
		}
		if _, err := os.Stat(ld); err != nil {
			if ld, err = exec.LookPath(n + "l"); err != nil {
				return os.NewError("can't find " + n + "l")
			}
		}
		gcout := runfile + "." + pid + "." + n
		ldout := runfile + "." + pid
		err = Exec([]string{gc, "-o", gcout, sourcefile})
		if err != nil {
			return err
		}
		defer os.Remove(gcout)
		err = Exec([]string{ld, "-o", ldout, gcout})
		if err != nil {
			return err
		}
		return os.Rename(ldout, runfile)
	}
	panic("Unreachable code")
}
Exemple #2
0
func main() {
	flag.Parse()
	cwd, _ := os.Getwd()
	binary, _ := exec.LookPath(flag.Args()[0])
	for {
		cmd, _ := exec.Run(binary, flag.Args(), nil, cwd, exec.PassThrough, exec.PassThrough, exec.PassThrough)
		pid := cmd.Process.Pid
		extras := make(ABC, 0)

		if *httpTimeoutUrl != "" {
			extras = append(extras, setupHttpTimeoutCheck(pid))
		}

		if *httpStatusUrl != "" {
			extras = append(extras, setupHttpStatusCheck(pid))
		}

		if *maxMemory > 0 {
			extras = append(extras, setupMaxMemoryCheck(pid))
		}

		cmd.Wait(os.WSTOPPED)
		println("Process died, restarting.")
		extras.closeAll()
	}
}
Exemple #3
0
func envOrDefault(cmd, dfl string) string {
	p, err := exec.LookPath(cmd)
	if err != nil {
		return dfl
	}
	return p
}
Exemple #4
0
func ExecRead(cmd string, args ...string) (out []byte, err os.Error) {
	abscmd, err := exec.LookPath(cmd)
	if err != nil {
		return out, os.NewError("Couldn't find " + cmd + ": " + err.String())
	}

	cmdargs := make([]string, len(args)+1)
	cmdargs[0] = cmd
	for i, a := range args {
		cmdargs[i+1] = a
	}
	printexec(cmd, args)

	pid, err := exec.Run(abscmd, cmdargs, nil, "",
		exec.PassThrough, exec.Pipe, exec.PassThrough)
	if err != nil {
		return
	}
	out, err = ioutil.ReadAll(pid.Stdout)
	if err != nil {
		return
	}
	ws, err := pid.Wait(0) // could have been os.WRUSAGE
	if err != nil {
		return
	}
	if ws.ExitStatus() != 0 {
		err = os.NewError(cmd + " exited with status " + strconv.Itoa(ws.ExitStatus()))
	}
	return out, nil
}
Exemple #5
0
// run runs the command argv, resolving argv[0] if necessary by searching $PATH.
// It provides input on standard input to the command.
func run(argv []string, input []byte) (out string, err os.Error) {
	if len(argv) < 1 {
		err = os.EINVAL
		goto Error
	}

	prog, ok := lookPathCache[argv[0]]
	if !ok {
		prog, err = exec.LookPath(argv[0])
		if err != nil {
			goto Error
		}
		lookPathCache[argv[0]] = prog
	}

	cmd := exec.Command(prog, argv[1:]...)
	if len(input) > 0 {
		cmd.Stdin = bytes.NewBuffer(input)
	}
	bs, err := cmd.CombinedOutput()
	if err == nil {
		return string(bs), nil
	}

Error:
	err = &runError{dup(argv), err}
	return
}
Exemple #6
0
func diff(b1, b2 []byte) (data []byte, err os.Error) {
	f1, err := ioutil.TempFile("", "gofix")
	if err != nil {
		return nil, err
	}
	defer os.Remove(f1.Name())
	defer f1.Close()

	f2, err := ioutil.TempFile("", "gofix")
	if err != nil {
		return nil, err
	}
	defer os.Remove(f2.Name())
	defer f2.Close()

	f1.Write(b1)
	f2.Write(b2)

	diffcmd, err := exec.LookPath("diff")
	if err != nil {
		return nil, err
	}

	c, err := exec.Run(diffcmd, []string{"diff", f1.Name(), f2.Name()}, nil, "",
		exec.DevNull, exec.Pipe, exec.MergeWithStdout)
	if err != nil {
		return nil, err
	}
	defer c.Close()

	return ioutil.ReadAll(c.Stdout)
}
Exemple #7
0
// genRun implements run and tryRun.
func genRun(dir string, stdin []byte, cmd []string, quiet bool) os.Error {
	bin, err := exec.LookPath(cmd[0])
	if err != nil {
		return err
	}
	p, err := exec.Run(bin, cmd, os.Environ(), dir, exec.Pipe, exec.Pipe, exec.MergeWithStdout)
	if *verbose {
		fmt.Fprintf(os.Stderr, "%s: %s; %s %s\n", argv0, dir, bin, strings.Join(cmd[1:], " "))
	}
	if err != nil {
		return err
	}
	go func() {
		p.Stdin.Write(stdin)
		p.Stdin.Close()
	}()
	var buf bytes.Buffer
	io.Copy(&buf, p.Stdout)
	io.Copy(&buf, p.Stdout)
	w, err := p.Wait(0)
	p.Close()
	if !w.Exited() || w.ExitStatus() != 0 {
		if !quiet || *verbose {
			if dir != "" {
				dir = "cd " + dir + "; "
			}
			fmt.Fprintf(os.Stderr, "%s: === %s%s\n", argv0, dir, strings.Join(cmd, " "))
			os.Stderr.Write(buf.Bytes())
			fmt.Fprintf(os.Stderr, "--- %s\n", w)
		}
		return os.ErrorString("running " + cmd[0] + ": " + w.String())
	}
	return nil
}
Exemple #8
0
// run executes the specified command and returns its output and an error.
func run(cmd ...string) ([]byte, os.Error) {
	// find the specified binary
	bin, err := exec.LookPath(cmd[0])
	if err != nil {
		// report binary as well as the error
		return nil, os.NewError(cmd[0] + ": " + err.String())
	}

	// run the binary and read its combined stdout and stderr into a buffer
	p, err := exec.Run(bin, cmd, os.Environ(), "", exec.DevNull, exec.Pipe, exec.MergeWithStdout)
	if err != nil {
		return nil, err
	}
	var buf bytes.Buffer
	io.Copy(&buf, p.Stdout)
	w, err := p.Wait(0)
	p.Close()
	if err != nil {
		return nil, err
	}

	// set the error return value if the program had a non-zero exit status
	if !w.Exited() || w.ExitStatus() != 0 {
		err = os.ErrorString("running " + cmd[0] + ": " + w.String())
	}

	return buf.Bytes(), err
}
Exemple #9
0
func mustRunDoozer(listen, web, attach string) *exec.Cmd {
	exe, err := exec.LookPath("doozerd")
	if err != nil {
		panic(err)
	}

	args := []string{
		"doozerd",
		"-l=127.0.0.1:" + listen,
		"-w=127.0.0.1:" + web,
	}

	if attach != "" {
		args = append(args, "-a", "127.0.0.1:"+attach)
	}

	cmd, err := exec.Run(
		exe,
		args,
		nil,
		".",
		exec.PassThrough,
		exec.PassThrough,
		exec.PassThrough,
	)
	if err != nil {
		panic(err)
	}

	return cmd
}
Exemple #10
0
func TestRmRf(t *testing.T) {
	t.Log("TestRmRf")
	wd, clean := setupUfs(t)
	defer clean()

	err := os.MkdirAll(wd+"/ro/dir/subdir", 0755)
	CheckSuccess(err)

	contents := "hello"
	fn := wd + "/ro/dir/subdir/y"
	err = ioutil.WriteFile(fn, []byte(contents), 0644)
	CheckSuccess(err)
	bin, err := exec.LookPath("rm")
	CheckSuccess(err)
	cmd := exec.Command(bin, "-rf", wd+"/mount/dir")
	err = cmd.Run()
	if err != nil {
		t.Fatal("rm -rf returned error:", err)
	}

	for _, f := range []string{"dir/subdir/y", "dir/subdir", "dir"} {
		if fi, _ := os.Lstat(filepath.Join(wd, "mount", f)); fi != nil {
			t.Errorf("file %s should have disappeared: %v", f, fi)
		}
	}

	names, err := Readdirnames(wd + "/rw/DELETIONS")
	CheckSuccess(err)
	if len(names) != 3 {
		t.Fatal("unexpected names", names)
	}
}
Exemple #11
0
func run(name string, args ...string) string {
	path, err := exec.LookPath(name)
	if err != nil {
		panic(err)
	}

	cwd, err := os.Getwd()
	if err != nil {
		panic(err)
	}

	p, err := exec.Run(path, append([]string{name}, args...), os.Environ(),
		cwd, exec.Pipe, exec.Pipe, exec.Pipe)
	if err != nil {
		panic(err)
	}
	defer p.Close()

	data, err := ioutil.ReadAll(p.Stdout)
	if err != nil {
		panic(err)
	}

	return strings.TrimSpace(string(data))
}
Exemple #12
0
func getProgramPath() (string, os.Error) {
	program := os.Args[0]
	dir, _ := path.Split(program)

	if dir == "" {
		binPath, pathError := exec.LookPath(program)

		if pathError != nil {
			if syscall.Access(program, syscall.O_RDONLY) != 0 {
				return "", os.NewError("Path to " + program + " couldn't be found")
			}

			cwd, cwdError := os.Getwd()

			if cwdError != nil {
				return "", cwdError
			}

			return cwd, nil
		}

		binPath, _ = path.Split(binPath)
		return binPath, nil
	}

	dir, _ = abspath(dir)
	return dir, nil
}
func main() {
	commands := []string{
		`ls /home`,
		`ls '/home'`,
		`ls -l /home`,
		`echo 'Hello, one and all!'`,
		`which python`,

		// Outputs "hello, world\n" instead of "\n"
		`python -c print 'hello, world'`,

		// Outputs "\n" instead of "hello, world\n"
		`python -c "print 'hello, world'"`,
	}

	for ndx, c := range commands {
		fmt.Printf("Command %d of %d:  %s\n", ndx+1, len(commands), c)

		// When I replace 3 with -1, the last 2 commands produce a Python error
		argv := strings.Split(c, " ", 3)

		bin, err := exec.LookPath(argv[0])
		if cmd, e := exec.Run(bin, argv, nil, "", exec.DevNull, exec.Pipe, exec.MergeWithStdout); e == nil && err == nil {
			body, _ := ioutil.ReadAll(cmd.Stdout)
			fmt.Printf("%s\n", string(body))
		} else {
			fmt.Printf("e: %v", e)
			fmt.Printf("err: %v", err)
		}
	}
}
Exemple #14
0
func CreateTestArgv() []string {

	pwd, e := os.Getwd()

	if e != nil {
		log.Fatal("[ERROR] could not locate working directory\n")
	}

	argv := make([]string, 0)

	if global.GetString("-backend") == "express" {
		vmrun, e := exec.LookPath("vmrun")
		if e != nil {
			log.Fatalf("[ERROR] %s\n", e)
		}
		argv = append(argv, vmrun)
	}

	argv = append(argv, filepath.Join(pwd, global.GetString("-test-bin")))

	if global.GetString("-bench") != "" {
		argv = append(argv, "-test.bench")
		argv = append(argv, global.GetString("-bench"))
	}
	if global.GetString("-match") != "" {
		argv = append(argv, "-test.run")
		argv = append(argv, global.GetString("-match"))
	}
	if global.GetBool("-verbose") {
		argv = append(argv, "-test.v")
	}
	return argv
}
Exemple #15
0
// Format takes a markdown-formatted string and returns an equivalent
// HTML-formatted string.
//
// TODO write built-in markdown implementation, to avoid forking for every
// post
func Format(md string) (html string, err os.Error) {
	cmdName, err := exec.LookPath("markdown")
	if err != nil {
		return
	}
	cmd, err := exec.Run(
		cmdName,
		[]string{},
		os.Environ(),
		".",
		exec.Pipe,
		exec.Pipe,
		exec.PassThrough,
	)
	if err != nil {
		return
	}
	cmd.Stdin.WriteString(md)
	cmd.Stdin.Close()
	b, err := ioutil.ReadAll(cmd.Stdout)
	if err != nil {
		return
	}
	html = string(b)
	err = cmd.Close()
	return
}
Exemple #16
0
func WriteReadS(arg1 string, inp string, args []string) (output string, e os.Error) {
	debug.Println("calling git",arg1,args)
	args = stringslice.Cat([]string{"git", arg1}, args)
	output = "" // empty output if we have an error...
	git, e := exec.LookPath("git")
	if e != nil { e = explain("exec.LookPath",e); return }
	pid,e := exec.Run(git, args, os.Environ(), ".",
		exec.Pipe, exec.Pipe, exec.PassThrough)
	if e != nil { announce(e); return }
	_,e = fmt.Fprint(pid.Stdin, inp)
	if e != nil { announce(e); return }
	e = pid.Stdin.Close()
	if e != nil { announce(e); return }
	o,e := ioutil.ReadAll(pid.Stdout)
	output = string(o)
	if e != nil { announce(e); return }
	ws,e := pid.Wait(0) // could have been os.WRUSAGE
	if e != nil { announce(e); return }
	if ws.ExitStatus() != 0 {
		e = os.NewError(fmt.Sprintf("git exited with '%v'",ws.ExitStatus()))
		announce(e)
		return
	}
	return
}
Exemple #17
0
func init() {
	cache := make(map[string]string)
	translations := make(map[string]string)
	for i := '1'; i < '7'; i++ {
		for sv := 0; sv <= bridge.NoTrump; sv++ {
			stringi := string([]byte{byte(i)})
			spoken := stringi + " " + bridge.SuitName[sv] + "."
			translations[stringi+bridge.SuitHTML[sv]] = spoken
			translations[stringi+bridge.SuitLetter[sv]] = spoken
			translations[stringi+bridge.SuitColorHTML[sv]] = spoken
		}
	}
	translations[" P"] = "Pass."
	translations["P"] = "Pass."
	translations[" X"] = "Double!"
	translations["X"] = "Double!"
	translations["XX"] = "Redouble!"
	espeak, err := exec.LookPath("espeak")
	if err == nil {
		go func() {
			for {
				req := <-seek_speech
				bid := req.bid
				if sp, ok := translations[bid]; ok {
					bid = sp
				}
				fmt.Println("I am speaking:", bid)
				if s, ok := cache[req.bid]; ok {
					req.answer <- answertype{s, nil}
				} else {
					c, err := exec.Run(espeak, []string{"espeak", "--stdout"}, nil, "",
						exec.Pipe, exec.Pipe, exec.PassThrough)
					if err != nil {
						req.answer <- answertype{"", err}
						continue
					}
					defer c.Close()
					fmt.Fprintln(c.Stdin, bid)
					c.Stdin.Close()
					o, err := ioutil.ReadAll(c.Stdout)
					if err != nil {
						req.answer <- answertype{"", err}
						continue
					}
					out := string(o)
					cache[req.bid] = out
					req.answer <- answertype{out, nil}
				}
			}
		}()
	} else {
		go func() {
			fmt.Println("We won't be able to speak, since I can't find espeak!", err)
			for {
				req := <-seek_speech
				req.answer <- answertype{"", os.NewError("Cannot find espeak in path.")}
			}
		}()
	}
}
Exemple #18
0
func GetPath() string {
	file, _ := exec.LookPath(os.Args[0])
	dir, _ := path.Split(file)
	os.Chdir(dir)
	path, _ := os.Getwd()
	return path + "/"
}
Exemple #19
0
/*
 This function does exactly the same as "make clean".
*/
func clean() {
	bashBin, err := exec.LookPath("bash")
	if err != nil {
		logger.Error("Need bash to clean.\n")
		os.Exit(127)
	}

	argv := []string{bashBin, "-c", "commandhere"}

	if *flagVerboseMode {
		argv[2] = "rm -rfv *.[568]"
	} else {
		argv[2] = "rm -rf *.[568]"
	}

	logger.Info("Running: %v\n", argv[2:])

	cmd, err := exec.Run(bashBin, argv, os.Environ(), rootPath,
		exec.DevNull, exec.PassThrough, exec.PassThrough)
	if err != nil {
		logger.Error("%s\n", err)
		os.Exit(1)
	}
	waitmsg, err := cmd.Wait(0)
	if err != nil {
		logger.Error("Couldn't delete files: %s\n", err)
		os.Exit(1)
	}

	if waitmsg.ExitStatus() != 0 {
		logger.Error("rm returned with errors.\n")
		os.Exit(waitmsg.ExitStatus())
	}
}
Exemple #20
0
func run(argv []string) os.Error {
	cmd, err := exec.LookPath(argv[0])
	if err != nil {
		return err
	}
	var stdin *os.File
	if syscall.OS == "windows" {
		stdin, _ = os.Open("CONIN$")
	} else {
		stdin = os.Stdin
	}
	p, err := os.StartProcess(cmd, argv, &os.ProcAttr{Files: []*os.File{stdin, os.Stdout, os.Stderr}})
	if err != nil {
		return err
	}
	defer p.Release()
	w, err := p.Wait(0)
	if err != nil {
		return err
	}
	if !w.Exited() || w.ExitStatus() != 0 {
		return os.NewError("failed to execute text editor")
	}
	return nil
}
Exemple #21
0
func TestEnvOverride(t *testing.T) {
	cgifile, _ := filepath.Abs("testdata/test.cgi")

	var perl string
	var err os.Error
	perl, err = exec.LookPath("perl")
	if err != nil {
		return
	}
	perl, _ = filepath.Abs(perl)

	cwd, _ := os.Getwd()
	h := &Handler{
		Path: perl,
		Root: "/test.cgi",
		Dir:  cwd,
		Args: []string{cgifile},
		Env: []string{
			"SCRIPT_FILENAME=" + cgifile,
			"REQUEST_URI=/foo/bar"},
	}
	expectedMap := map[string]string{
		"cwd": cwd,
		"env-SCRIPT_FILENAME": cgifile,
		"env-REQUEST_URI":     "/foo/bar",
	}
	runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap)
}
Exemple #22
0
func justrun(cmd string, args ...string) os.Error {
	abscmd, err := exec.LookPath(cmd)
	if err != nil {
		return os.NewError("Couldn't find " + cmd + ": " + err.String())
	}

	cmdargs := make([]string, len(args)+1)
	cmdargs[0] = cmd
	for i, a := range args {
		cmdargs[i+1] = a
	}
	pid, err := exec.Run(abscmd, cmdargs, nil, "",
		exec.PassThrough, exec.PassThrough, exec.PassThrough)
	if err != nil {
		return err
	}
	wmsg, err := pid.Wait(0)
	if err != nil {
		return err
	}
	if wmsg.ExitStatus() != 0 {
		return os.NewError(cmd + " exited with status " + fmt.Sprint(wmsg.ExitStatus()))
	}
	return nil
}
Exemple #23
0
func FindGobinExternal(name string) (path string, err error) {
	path, err = exec.LookPath(name)
	if err != nil {
		path = filepath.Join(GOBIN, name)
		_, err = os.Stat(path)
	}
	return
}
Exemple #24
0
func (r *Request) GetPIN() (pin string, outerr os.Error) {
	defer catch(&outerr)
	bin, err := exec.LookPath("pinentry")
	if err != nil {
		return r.getPINNaïve()
	}
	cmd := exec.Command(bin)
	stdin, _ := cmd.StdinPipe()
	stdout, _ := cmd.StdoutPipe()
	check(cmd.Start())
	defer cmd.Wait()
	defer stdin.Close()
	br := bufio.NewReader(stdout)
	lineb, _, err := br.ReadLine()
	if err != nil {
		return "", fmt.Errorf("Failed to get getpin greeting")
	}
	line := string(lineb)
	if !strings.HasPrefix(line, "OK") {
		return "", fmt.Errorf("getpin greeting said %q", line)
	}
	set := func(cmd string, val string) {
		if val == "" {
			return
		}
		fmt.Fprintf(stdin, "%s %s\n", cmd, val)
		line, _, err := br.ReadLine()
		if err != nil {
			panic("Failed to " + cmd)
		}
		if string(line) != "OK" {
			panic("Response to " + cmd + " was " + string(line))
		}
	}
	set("SETPROMPT", r.Prompt)
	set("SETDESC", r.Desc)
	set("SETOK", r.OK)
	set("SETCANCEL", r.Cancel)
	set("SETERROR", r.Error)
	set("OPTION", "ttytype="+os.Getenv("TERM"))
	tty, err := os.Readlink("/proc/self/fd/0")
	if err == nil {
		set("OPTION", "ttyname="+tty)
	}
	fmt.Fprintf(stdin, "GETPIN\n")
	lineb, _, err = br.ReadLine()
	if err != nil {
		return "", fmt.Errorf("Failed to read line after GETPIN: %v", err)
	}
	line = string(lineb)
	if strings.HasPrefix(line, "D ") {
		return line[2:], nil
	}
	if strings.HasPrefix(line, "ERR 83886179 ") {
		return "", ErrCancel
	}
	return "", fmt.Errorf("GETPIN response didn't start with D; got %q", line)
}
Exemple #25
0
func gc(arch string) {

	var A string // a:architecture
	var err os.Error

	if arch == "" {
		A = os.Getenv("GOARCH")
	} else {
		A = arch
	}

	var S, C, L string // S:suffix, C:compiler, L:linker

	switch A {
	case "arm":
		S = ".5"
		C = "5g"
		L = "5l"
	case "amd64":
		S = ".6"
		C = "6g"
		L = "6l"
	case "386":
		S = ".8"
		C = "8g"
		L = "8l"
	default:
		log.Fatalf("[ERROR] unknown architecture: %s\n", A)
	}

	pathCompiler, err = exec.LookPath(C)

	if err != nil {
		log.Fatalf("[ERROR] could not find compiler: %s\n", C)
	}

	pathLinker, err = exec.LookPath(L)

	if err != nil {
		log.Fatalf("[ERROR] could not find linker: %s\n", L)
	}

	suffix = S

}
Exemple #26
0
func express() {

	var err os.Error

	pathCompiler, err = exec.LookPath("vmgc")

	if err != nil {
		log.Fatalf("[ERROR] could not find compiler: %s\n", pathCompiler)
	}

	pathLinker, err = exec.LookPath("vmld")

	if err != nil {
		log.Fatalf("[ERROR] could not find linker: %s\n", pathLinker)
	}

	suffix = ".vmo"
}
Exemple #27
0
func runSystemCommand(argv []string, dir string) string {
	lookedPath, _ := exec.LookPath(argv[0])
	r, w, _ := os.Pipe()
	pid, _ := os.ForkExec(lookedPath, argv, nil, dir, []*os.File{nil, w, w})
	w.Close()
	os.Wait(pid, 0)
	var b bytes.Buffer
	io.Copy(&b, r)
	return b.String()
}
func main() {
	bin, err := exec.LookPath("python")
	if cmd, e := exec.Run(bin, []string{"", "-c", `print 'hello world'`}, nil, "", exec.DevNull, exec.Pipe, exec.MergeWithStdout); e == nil && err == nil {
		b, _ := ioutil.ReadAll(cmd.Stdout)
		fmt.Printf("output: %s\n", string(b))
	} else {
		fmt.Printf("e: %v\n", e)
		fmt.Printf("err: %v\n", err)
	}
}
Exemple #29
0
Fichier : dag.go Projet : ssrl/mgd
func (d Dag) External() {

	var err os.Error
	var argv []string
	var tmp string
	var set *stringset.StringSet
	var i int = 0

	set = stringset.New()

	for _, v := range d {
		for dep := range v.dependencies.Iter() {
			if !d.localDependency(dep) {
				set.Add(dep)
			}
		}
	}

	for u := range set.Iter() {
		if !seemsExternal(u) {
			set.Remove(u)
		}
	}

	argv = make([]string, 0)

	tmp, err = exec.LookPath("goinstall")

	if err != nil {
		log.Fatalf("[ERROR] %s\n", err)
	}

	argv = append(argv, tmp)

	if global.GetBool("-verbose") {
		argv = append(argv, "-v=true")
	}

	argv = append(argv, "-u=true")
	argv = append(argv, "-clean=true")

	i = len(argv)
	argv = append(argv, "dummy")

	for u := range set.Iter() {
		argv[i] = u
		if global.GetBool("-dryrun") {
			fmt.Printf("%s || exit 1\n", strings.Join(argv, " "))
		} else {
			say.Printf("goinstall: %s\n", u)
			handy.StdExecve(argv, true)
		}
	}

}
Exemple #30
0
//
// Copy the big database into the data/ dir, bzip2recover to split it into
// rec#####dbname.bz2, and move the big database back to the drop dir.
//
func splitBz2File(recent string) {
	// Be user friendly: Alert the user and wait a few seconds."
	fmt.Println("I will be using bzip2recover to split", recent, "into many smaller files.")
	time.Sleep(3000000000)

	// Move the recent db over to the data dir since bzip2recover extracts
	// to the same directory the db exists in, and we don't want to pollute
	// drop_dir with the rec*.xml.bz2 files.
	newpath := filepath.Join(conf["data_dir"], basename(recent))
	err := os.Rename(recent, newpath)

	if err != nil {
		if e, ok := err.(*os.LinkError); ok && e.Error == os.EXDEV {
			panic(GracefulError("Your source file must be on the same partition as your target dir. Sorry."))
		} else {
			panic(fmt.Sprintf("rename: %T %#v\n", err, err))
		}
	}

	// Make sure that we move it _back_ to drop dir, no matter what happens.
	defer os.Rename(newpath, recent)

	args := []string{"bzip2recover", newpath}

	executable, patherr := exec.LookPath("bzip2recover")
	if patherr != nil {
		fmt.Println("bzip2recover not found anywhere in your path, making wild guess")
		executable = "/usr/bin/bzip2recover"
	}

	environ := os.ProcAttr{
		Dir:   ".",
		Env:   os.Environ(),
		Files: []*os.File{os.Stdin, os.Stdout, os.Stderr},
	}

	bz2recover, err := os.StartProcess(executable, args, &environ)

	if err != nil {
		switch t := err.(type) {
		case *os.PathError:
			if err.(*os.PathError).Error == os.ENOENT {
				panic(GracefulError("bzip2recover not found. Giving up."))
			} else {
				fmt.Printf("err is: %T: %#v\n", err, err)
				panic("Unable to run bzip2recover? err is ")
			}
		default:
			fmt.Printf("err is: %T: %#v\n", err, err)
			panic("Unable to run bzip2recover? err is ")
		}
	}
	bz2recover.Wait(0)
}