feat: add 'purge' command

README.md

@@ -44,6 +44,7 @@ Available Commands:
   completion  Generate the autocompletion script for the specified shell
   help        Help about any command
   install     Install a provider
+  purge       Purge ALL installed providers
   uninstall   Uninstall a provider
 
 Flags:

cmd/purge.go

@@ -0,0 +1,48 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/Madh93/tpm/internal/tpm"
+	"github.com/spf13/cobra"
+)
+
+var purgeCmd = &cobra.Command{
+	Use:     "purge",
+	Aliases: []string{"p"},
+	Short:   "Purge ALL installed providers",
+	Run: func(cmd *cobra.Command, args []string) {
+		skipConfirmation := getBoolFlag(cmd, "yes")
+
+		// Request user confirmation
+		if !skipConfirmation {
+			// Read user input
+			log.Print("Are you sure you want to purge ALL installed providers? (yes/no)")
+			var confirmation string
+			_, err := fmt.Scanln(&confirmation)
+			if err != nil {
+				log.Fatal(err)
+			}
+			// Parse user input
+			if strings.ToLower(confirmation) != "yes" && strings.ToLower(confirmation) != "y" {
+				log.Println("Operation cancelled.")
+				return
+			}
+		}
+
+		// Purge ALL providers
+		err := tpm.Purge()
+		if err != nil {
+			log.Fatal("Error: ", err)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(purgeCmd)
+
+	// Local Flags
+	purgeCmd.Flags().BoolP("yes", "y", false, "skips the confirmation prompt and proceeds with the action")
+}

internal/tpm/purge.go

@@ -0,0 +1,38 @@
+package tpm
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/viper"
+)
+
+func Purge() (err error) {
+	log.Println("Removing all providers...")
+
+	registryPath := filepath.Join(
+		viper.GetString("terraform_plugin_cache_dir"),
+		viper.GetString("terraform_registry"),
+	)
+
+	if viper.GetBool("debug") {
+		log.Printf("Providers should be located in '%s' directory\n", registryPath)
+	}
+
+	// Check provider already exists
+	if _, err = os.Stat(registryPath); os.IsNotExist(err) {
+		log.Printf("Registry path under '%s' does not exist! Ignoring...\n", registryPath)
+		return nil
+	}
+
+	// Remove provider
+	err = os.RemoveAll(registryPath)
+	if err != nil {
+		return
+	}
+
+	log.Println("All providers were removed sucessfully!")
+
+	return nil
+}