Use temporary directory to mount image to

.gitignore

@@ -1,5 +1,4 @@
 /deploy/
-/mnt/
 /rootfs/
 
 .pc

mkimg.sh

@@ -55,6 +55,8 @@ if [ ! -d "$(dirname "$IMG_FILE")" ]; then
   exit 1
 fi
 
+export MOUNT_DIR="$(mktemp --directory)"
+
 ##
 # Prepare image file systems.
 #
@@ -134,3 +136,5 @@ umount "$MOUNT_DIR/boot/"
 umount "$MOUNT_DIR"
 zerofree -v "$ROOT_DEV"
 unmount_image "$IMG_FILE"
+
+rmdir "$MOUNT_DIR"

run

@@ -10,7 +10,6 @@ export PASSWORD='password'
 
 export DEPLOY_DIR="$BASE_DIR/deploy"
 export ROOTFS_DIR="$BASE_DIR/rootfs"
-export MOUNT_DIR="$BASE_DIR/mnt"
 export KEYS_DIR="$BASE_DIR/keys"
 export FILES_DIR="$BASE_DIR/files"