dotfiles/root/_create-subvolumes

#!/bin/sh

set -e

BTRFS_ROOT="{{@@ filesystem.partitions['/'] @@}}"

if ! mountpoint "$BTRFS_ROOT"
then
    mkdir -p "$BTRFS_ROOT"
    mount "$BTRFS_ROOT"
fi
cd "$BTRFS_ROOT"


{%@@ set new_partitions = filesystem.partitions.update({root_subvol: '/'}) @@%}
{%@@ for name, path in filesystem.partitions.items() @@%}
    test -e "./{{@@ name @@}}" ||
        btrfs subvolume create "./{{@@ name @@}}"
    test -d "{{@@ path @@}}" ||
        mkdir -p "{{@@ path @@}}"
    mountpoint "{{@@ path @@}}" ||
        mount "{{@@ path @@}}"
{%@@ endfor @@%}