Golang Context.IsSet方法代碼示例

func runTest(ctx *cli.Context) {
	if err := setup(ctx); err != nil {
		errors.SetError(err)
		return
	}

	if err := linkVendors(ctx, ""); err != nil {
		errors.SetError(err)
		return
	}

	log.Info("Testing...")

	cmdArgs := []string{"go", "test"}
	if len(ctx.String("tags")) > 0 {
		cmdArgs = append(cmdArgs, "-tags")
		cmdArgs = append(cmdArgs, ctx.String("tags"))
	}
	if ctx.IsSet("verbose") {
		cmdArgs = append(cmdArgs, "-v")
	}
	cmdArgs = append(cmdArgs, ctx.Args()...)
	if err := execCmd(setting.DefaultVendor, setting.WorkDir, cmdArgs...); err != nil {
		errors.SetError(fmt.Errorf("fail to run program: %v", err))
		return
	}

	log.Info("Command executed successfully!")
}

func buildBinary(ctx *cli.Context, args ...string) error {
	_, target, err := parseGopmfile(setting.GOPMFILE)
	if err != nil {
		return err
	}

	if err := linkVendors(ctx, ""); err != nil {
		return err
	}

	log.Info("Building...")

	cmdArgs := append([]string{"go", "build"}, args...)

	// Set output binary name
	cmdArgs = append(cmdArgs, "-o")
	if ctx.IsSet("o") {
		cmdArgs = append(cmdArgs, ctx.String("o"))
	} else {
		cmdArgs = append(cmdArgs, path.Base(target))
	}

	if len(ctx.String("tags")) > 0 {
		cmdArgs = append(cmdArgs, "-tags")
		cmdArgs = append(cmdArgs, ctx.String("tags"))
	}

	log.Debug("Args: %v", cmdArgs)

	if err := execCmd(setting.DefaultVendor, setting.WorkDir, cmdArgs...); err != nil {
		return fmt.Errorf("fail to build program: %v", err)
	}

	if setting.IsWindowsXP {
		fName := path.Base(target)
		binName := fName + ".exe"
		os.Remove(binName)
		exePath := path.Join(setting.DefaultVendorSrc, target, binName)
		if base.IsFile(exePath) {
			if err := os.Rename(exePath, path.Join(setting.WorkDir, binName)); err != nil {
				return fmt.Errorf("fail to move binary: %v", err)
			}
		} else {
			log.Warn("No binary generated")
		}
	}
	return nil
}

func runBin(ctx *cli.Context) {
	if err := setup(ctx); err != nil {
		errors.SetError(err)
		return
	}

	if len(ctx.Args()) != 1 {
		errors.SetError(fmt.Errorf("Incorrect number of arguments for command: should have 1"))
		return
	}

	// Check if given directory exists if specified.
	if ctx.IsSet("dir") && !base.IsDir(ctx.String("dir")) {
		errors.SetError(fmt.Errorf("Indicated path does not exist or not a directory"))
		return
	}

	// Parse package version.
	info := ctx.Args().First()
	pkgPath := info
	n := doc.NewNode(pkgPath, doc.BRANCH, "", true)
	if i := strings.Index(info, "@"); i > -1 {
		pkgPath = info[:i]
		var err error
		tp, val, err := validPkgInfo(info[i+1:])
		if err != nil {
			errors.SetError(err)
			return
		}
		n = doc.NewNode(pkgPath, tp, val, !ctx.Bool("download"))
	}

	// Check package name.
	if !strings.Contains(pkgPath, "/") {
		tmpPath, err := setting.GetPkgFullPath(pkgPath)
		if err != nil {
			errors.SetError(err)
			return
		}
		if tmpPath != pkgPath {
			n = doc.NewNode(tmpPath, n.Type, n.Value, n.IsGetDeps)
		}
	}

	if err := downloadPackages(".", ctx, []*doc.Node{n}); err != nil {
		errors.SetError(err)
		return
	}

	// Check if previous steps were successful.
	if !n.IsExist() {
		errors.SetError(fmt.Errorf("Download steps weren't successful"))
		return
	}

	tmpVendor := path.Join("vendor", path.Base(n.RootPath))
	os.RemoveAll(tmpVendor)
	os.RemoveAll(setting.VENDOR)
	// TODO: should use .gopm/temp path.
	if err := autoLink(n.InstallPath, tmpVendor); err != nil {
		errors.SetError(fmt.Errorf("Fail to link slef: %v", err))
		return
	}
	os.Chdir(tmpVendor)
	oldWorkDir := setting.WorkDir
	setting.WorkDir = path.Join(setting.WorkDir, tmpVendor)
	if !setting.Debug {
		defer func() {
			os.Chdir(oldWorkDir)
			os.RemoveAll("vendor")
			os.RemoveAll(setting.VENDOR)
		}()
	}

	// if err := buildBinary(ctx); err != nil {
	// 	errors.SetError(err)
	// 	return
	// }

	if err := linkVendors(ctx, n.ImportPath); err != nil {
		errors.SetError(err)
		return
	}

	log.Info("Installing...")

	cmdArgs := []string{"go", "install"}
	if ctx.Bool("verbose") {
		cmdArgs = append(cmdArgs, "-v")
	}
	cmdArgs = append(cmdArgs, n.ImportPath)
	if err := execCmd(setting.DefaultVendor, setting.WorkDir, cmdArgs...); err != nil {
		errors.SetError(fmt.Errorf("fail to run program: %v", err))
		return
	}

	gf, _, err := parseGopmfile(setting.GOPMFILE)
	if err != nil {
		errors.SetError(err)
		return
//.........這裏部分代碼省略.........