Make sure we do not download R2API, BepInEx or the same dependency multiple times

main.go

@@ -75,7 +75,12 @@ func main() {
 		for _, m := range os.Args[2:] {
 			newdeps := cli.InstallMod(m)
 			for _, d := range newdeps {
-				dependencies = append(dependencies, d)
+				dependency := tools.ExposeModString(d)
+				if !utils.ExistsInArray(dependencies, d) {
+					if dependency != "bbepis-BepInExPack" && dependency != "tristanmcpherson-R2API" {
+						dependencies = append(dependencies, d)
+					}
+				}
 			}
 		}
 		fmt.Println("> Downloading dependencies...")

utils/utils.go

@@ -185,3 +185,13 @@ func DownloadFile(filepath string, url string) error {
 	_, err = io.Copy(out, resp.Body)
 	return err
 }
+
+// ExistsInArray checks if the given string exists in a string array
+func ExistsInArray(array []string, search string) bool {
+	for _, i := range array {
+		if i == search {
+			return true
+		}
+	}
+	return false
+}