From 6ae820e254861cf80fd8f5e717226cc2a68c83b7 Mon Sep 17 00:00:00 2001
From: Izimic <mickael.bauer7@gmail.com>
Date: Fri, 1 Jan 2021 09:17:19 +0100
Subject: [PATCH] fix unmount issus when dir is not mount

---
 src/main.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.cr b/src/main.cr
index ba0ca32..28c7a74 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -234,7 +234,7 @@ class RootFS::RootFS
 
 	def unmount(directory = nil)
 		if directory
-			execute "umount '#{@directory}/#{directory}'"
+			execute "mountpoint -q '#{@directory}/#{directory}' || exit 0 && umount '#{@directory}/#{directory}'"
 			return
 		end