refactor: simplify homeDir and appConfig usage

cmd/watch_run.go

@@ -1,6 +1,9 @@
 package cmd
 
 import (
+	"context"
+
+	"github.com/mathismqn/godeez/internal/config"
 	"github.com/mathismqn/godeez/internal/watcher"
 	"github.com/spf13/cobra"
 )
@@ -9,8 +12,18 @@ var watchRunCmd = &cobra.Command{
 	Use:    "run",
 	Short:  "Start the background playlist watcher",
 	Hidden: true,
+	PreRun: func(cmd *cobra.Command, args []string) {
+		appConfig, err := config.New("")
+		if err != nil {
+			return
+		}
+		cmd.SetContext(context.WithValue(cmd.Context(), "appConfig", appConfig))
+	},
 	Run: func(cmd *cobra.Command, args []string) {
 		ctx := cmd.Context()
+		appConfigVal := ctx.Value("appConfig")
+		appConfig, _ := appConfigVal.(*config.Config)
+
 		w := watcher.New(appConfig)
 		w.Run(ctx, opts)
 	},