change to -l and -r short flags

Author: gabotechs

README.md

@@ -169,7 +169,7 @@ src/products/price.go  -> src/orders/order_manager.go
 src/products/storage.go -> src/orders/order_manager.go
 ```
 
-Additionally, the `--overlap-left` (`-ol`) or `--overlap-right` (`-or`) arguments can be passed:
+Additionally, the `--overlap-left` (`-l`) or `--overlap-right` (`-r`) arguments can be passed:
 - `--overlap-left`: when the left and right glob patterns have some files in common, keep only the
   common files at the left, and discard them from the right. This flag is useful for retrieving any
   external dependencies of a specific folder: 

cmd/explain.go

@@ -25,7 +25,7 @@ func ExplainCmd(cfgF func() (*config.Config, error)) *cobra.Command {
 		Args:    cobra.ExactArgs(2),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if overlapLeft && overlapRight {
-				return errors.New("only one of --overlap-left (-ol) or --overlap-right (-or) can be used at a time")
+				return errors.New("only one of --overlap-left (-l) or --overlap-right (-r) can be used at a time")
 			}
 
 			fromFiles, err := filesFromArgs([]string{args[0]})
@@ -102,8 +102,8 @@ func ExplainCmd(cfgF func() (*config.Config, error)) *cobra.Command {
 		},
 	}
 
-	cmd.Flags().BoolVarP(&overlapLeft, "overlap-left", "ol", false, "When there's an overlap between the files at the left and the right, keep the ones at the left")
-	cmd.Flags().BoolVarP(&overlapRight, "overlap-right", "or", false, "When there's an overlap between the files at the left and the right, keep the ones at the right")
+	cmd.Flags().BoolVarP(&overlapLeft, "overlap-left", "l", false, "When there's an overlap between the files at the left and the right, keep the ones at the left")
+	cmd.Flags().BoolVarP(&overlapRight, "overlap-right", "r", false, "When there's an overlap between the files at the left and the right, keep the ones at the right")
 
 	return cmd
 }