1 files changed, 21 insertions, 0 deletions
diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index d9f64a781c57e..9b3c8a762991b 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -911,4 +911,25 @@ in {
       )
     '';
   };
+
+  # Test to see if we can deal with subvols that need to be escaped in fstab
+  btrfsSubvolEscape = makeInstallerTest "btrfsSubvolEscape" {
+    createPartitions = ''
+      machine.succeed(
+          "sgdisk -Z /dev/vda",
+          "sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda",
+          "mkswap /dev/vda2 -L swap",
+          "swapon -L swap",
+          "mkfs.btrfs -L root /dev/vda3",
+          "btrfs device scan",
+          "mount LABEL=root /mnt",
+          "btrfs subvol create '/mnt/nixos in space'",
+          "btrfs subvol create /mnt/boot",
+          "umount /mnt",
+          "mount -o 'defaults,subvol=nixos in space' LABEL=root /mnt",
+          "mkdir /mnt/boot",
+          "mount -o defaults,subvol=boot LABEL=root /mnt/boot",
+      )
+    '';
+  };
 }