My-distro-configs-devuan/calamares/modules/mount.conf

# SPDX-FileCopyrightText: no
# SPDX-License-Identifier: CC0-1.0
#
# Mount filesystems in the target (generally, before treating the
# target as a usable chroot / "live" system).
---

extraMounts:
    - device: proc
      fs: proc
      mountPoint: /proc
    - device: sys
      fs: sysfs
      mountPoint: /sys
    - device: /dev
      mountPoint: /dev
      options: bind
    - device: tmpfs
      fs: tmpfs
      mountPoint: /run
    - device: /run/udev
      mountPoint: /run/udev
      options: bind

extraMountsEfi:
    - device: efivarfs
      fs: efivarfs
      mountPoint: /sys/firmware/efi/efivars

btrfsSubvolumes:
    - mountPoint: /
      subvolume: /@
    - mountPoint: /home
      subvolume: /@home
    - mountPoint: /var/cache
      subvolume: /@cache
    - mountPoint: /var/log
      subvolume: /@log