Switch to cobra/viper

cmd/remove.go

@@ -0,0 +1,71 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/comp500/packwiz/core"
+	"github.com/spf13/cobra"
+)
+
+// removeCmd represents the remove command
+var removeCmd = &cobra.Command{
+	Use:     "remove",
+	Short:   "Remove a mod from the modpack",
+	Aliases: []string{"delete", "uninstall"},
+	Args:    cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args[0]) == 0 {
+			fmt.Println("You must specify a mod.")
+			os.Exit(1)
+		}
+		fmt.Println("Loading modpack...")
+		pack, err := core.LoadPack()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		index, err := pack.LoadIndex()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		resolvedMod, ok := index.FindMod(args[0])
+		if !ok {
+			fmt.Println("You don't have this mod installed.")
+			os.Exit(1)
+		}
+		err = os.Remove(resolvedMod)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		fmt.Println("Removing mod from index...")
+		err = index.RemoveFile(resolvedMod)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		err = index.Write()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		err = pack.UpdateIndexHash()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		err = pack.Write()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		fmt.Printf("Mod %s removed successfully!", args[0])
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(removeCmd)
+}