cmd: added cache-clear command (#14)

cmd/cache_clear.go

@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+)
+
+func CacheClear() (int, error) {
+	cacheDir := DefaultCacheDir()
+	if cacheDir == "/" || cacheDir == "" {
+		panic(fmt.Sprintf("attempted to rm -rf %s", cacheDir))
+	}
+	err := os.RemoveAll(cacheDir)
+	return 0, err
+}

cmd/main.go

@@ -83,6 +83,14 @@ func Main() {
 				},
 			})
 
+			app.Commands = append(app.Commands, &cmd.Command{
+				Name:        "cache-clear",
+				Description: "The command clears the cache",
+				Action: func(ctx *cmd.AppContext) (int, error) {
+					return CacheClear()
+				},
+			})
+
 			app.Commands = append(app.Commands, &cmd.Command{
 				Name:        "init",
 				Description: "The command to create a template palette in the project folder",