feature: add command to update fer to latest version (#14)

Co-authored-by: Samuel Mulatua <[email protected]>

console/common.go

@@ -1,11 +1,12 @@
 package console
 
 import (
-	"github.com/gookit/color"
-	"github.com/kumparan/fer/config"
 	"log"
 	"os/user"
 	"path/filepath"
+
+	"github.com/gookit/color"
+	"github.com/kumparan/fer/config"
 )
 
 // PrintError :nodoc:
@@ -23,6 +24,11 @@ func PrintWarn(format string, args ...interface{}) {
 	color.Warn.Printf(format, args...)
 }
 
+// PrintSuccess :nodoc:
+func PrintSuccess(format string, args ...interface{}) {
+	color.Success.Printf(format, args...)
+}
+
 // GetConfigDir :nodoc:
 func GetConfigDir() string {
 	return filepath.Join(GetHomeDir(), config.ConfigDir)

console/root.go

@@ -1,8 +1,9 @@
 package console
 
 import (
-	"github.com/spf13/cobra"
 	"os"
+
+	"github.com/spf13/cobra"
 )
 
 // RootCmd represents the base command when called without any subcommands
@@ -35,4 +36,5 @@ func init() {
 	rootCmd.AddCommand(installCmd)
 	rootCmd.AddCommand(initCmd)
 	rootCmd.AddCommand(createCmd)
+	rootCmd.AddCommand(updateCmd)
 }

console/update.go

@@ -0,0 +1,33 @@
+package console
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/kumparan/fer/installer"
+	"github.com/spf13/cobra"
+)
+
+var updateCmd = &cobra.Command{
+	Use:   "update",
+	Short: "update fer",
+	Long:  `update fer to latest version`,
+	Run:   updateVersion,
+}
+
+func updateVersion(cmd *cobra.Command, args []string) {
+	updateCommand := exec.Command("go", "get", "-u", "github.com/kumparan/fer")
+	PrintInfo("Updating fer...")
+	err := updateCommand.Run()
+	if err != nil {
+		installer.ProgressBar(1)
+		fmt.Println("Failed updating fer")
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	installer.ProgressBar(100)
+
+	PrintSuccess("Success updating fer!")
+}