From b5a84ba7be7614e9ba0a894447e94eb5aacc673d Mon Sep 17 00:00:00 2001
From: Michele Cereda <cereda.michele@gmail.com>
Date: Wed, 18 May 2022 00:54:56 +0200
Subject: [PATCH] Improved script to create a crypted btrfs device

---
 scripts/create-a-crypted-btrfs-device.sh | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/scripts/create-a-crypted-btrfs-device.sh b/scripts/create-a-crypted-btrfs-device.sh
index 715d08c..774ff0c 100755
--- a/scripts/create-a-crypted-btrfs-device.sh
+++ b/scripts/create-a-crypted-btrfs-device.sh
@@ -4,13 +4,22 @@
 : ${LABEL:?not set}
 
 : "${MOUNT_OPTIONS:=compress-force=zstd}"
+: "${MOUNT_POINT:=/mnt/$LABEL}"
 
 [[ $EUID -eq 0 ]]  || (echo "Please rerun this script with root privileges" && exit 1)
 [[ -f "$DEVICE" ]] || echo "${DEVICE} not found"
 
 cryptsetup luksFormat "$DEVICE"
-cryptsetup luksOpen "$DEVICE" "$LABEL"
+cryptsetup open "$DEVICE" "$LABEL"
+
 mkfs.btrfs --label "$LABEL" "/dev/mapper/${LABEL}"
-mount --types btrfs --options "$MOUNT_OPTIONS" "/dev/mapper/${LABEL}" "/mnt/${LABEL}"
+mkdir -p "$MOUNT_POINT"
+mount -t btrfs -o "$MOUNT_OPTIONS" "/dev/mapper/${LABEL}" "$MOUNT_POINT"
+
+btrfs subvolume create "$MOUNT_POINT/.snapshots"
+btrfs subvolume create "$MOUNT_POINT/data"
+
+chown "$USER":"$USER" "$MOUNT_POINT/data"
+
 umount "/mnt/${LABEL}"
-cryptsetup luksClose "$DEVICE"
+cryptsetup close "$DEVICE"