changed back to cli

src/cli/cmd/update.go

@@ -0,0 +1,118 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"regexp"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(updateCmd)
+
+	updateCmd.Flags().StringVarP(&vFlag, "version", "v", "latest", "Update the CLI to specific version")
+}
+
+var (
+	vFlag string
+
+	updateCmd = &cobra.Command{
+		Use:   "update",
+		Short: "Update the CLI to specific version ",
+		Long: `Update the CLI to the latest version or specify a version using -v flag
+				Example: x update -v 1.1.1
+				default: x update -v latest
+		`,
+		RunE: update,
+	}
+)
+
+func update(cmd *cobra.Command, args []string) error {
+
+	fmt.Println("Updating CLI...")
+
+	vFlag, err := cmd.Flags().GetString("version")
+	if err != nil {
+		err = fmt.Errorf("error getting version flag: %v", err)
+		return err
+	}
+
+	// validate version
+	if vFlag != "latest" {
+		err = validateVersion(vFlag)
+		if err != nil {
+			return err
+		}
+	}
+
+	if isGoInstalled() {
+		err = updateUsingGo()
+		if err != nil {
+			return err
+		}
+		return nil
+	}
+
+	return nil
+}
+
+func validateVersion(v string) error {
+	// Regular expression pattern for semantic versioning
+	pattern := `^v\d+\.\d+\.\d+$`
+	match, err := regexp.MatchString(pattern, v)
+	if err != nil {
+		return err
+	}
+	if !match {
+		return fmt.Errorf("invalid version format. Please use semantic versioning like v1.1.1")
+	}
+	return nil
+}
+
+func cmdUpdate() {
+	if !isGoInstalled() {
+		fmt.Println("")
+	}
+
+	cmd := exec.Command("go", "get", "-u", "github.com/bradford-hamilton/monkey")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err := cmd.Run()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	if isGoInstalled() {
+		fmt.Println("Go is installed...")
+
+		return
+	}
+
+	fmt.Println("Go is not installed...")
+
+	fmt.Println("CLI updated successfully!")
+}
+
+func isGoInstalled() bool {
+	_, err := exec.LookPath("go")
+
+	return err == nil
+}
+
+func updateUsingGo() error {
+	cmd := exec.Command("go", "get", "-u", "github.com/devhindo/x/src/cli/cmd")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err := cmd.Run()
+	if err != nil {
+		fmt.Println(err)
+		return err
+	}
+	fmt.Println("CLI updated successfully!")
+	return nil
+}
+
+//TODO: x update -v 1.1.1 (default for v:latest)

src/cli/cmd/version.go

@@ -0,0 +1,22 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+//TODO: make it for -v and --version too
+
+var versionCmd = &cobra.Command{
+	Use:     "version",
+	Short:   "Print the version of the CLI",
+	Long:    `Print the version of the CLI`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println(version)
+	},
+}