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Add create_btrfs_subvolumes function

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Le0xFF 2022-07-14 10:08:40 +02:00
parent b990923199
commit eb926e46b9
1 changed files with 58 additions and 0 deletions
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58
VoidLinuxInstaller.sh
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@ -723,6 +723,63 @@ function create_filesystems () {
}
function create_btrfs_subvolumes () {
echo -e -n "\nBTRFS subvolumes will now be created with default options.\n\n"
echo -e -n "Default options:\n"
echo -e -n "- rw\n"
echo -e -n "- noatime\n"
echo -e -n "- ssd\n"
echo -e -n "- compress=zstd\n"
echo -e -n "- space_cache=v2\n"
echo -e -n "- commit=120\n"
echo -e -n "\nSubvolumes that will be created:\n"
echo -e -n "- /@\n"
echo -e -n "- /@snapshots\n"
echo -e -n "- /home/@home\n"
echo -e -n "- /var/cache/xbps\n"
echo -e -n "- /var/tmp\n"
echo -e -n "- /var/log\n"
echo -e -n "\nIf you prefer to change any option of that, please quit this script NOW and modify it according to you tastes.\n\n"
read -n 1 -r -p "Press any key to continue or Ctrl+C to quit now..." key
echo -e -n "\n\nThe root partition you selected (/dev/mapper/"${vg_name}"-"${lv_root_name}") will now be mounted to /mnt.\n"
if cat /proc/mounts | grep /mnt &> /dev/null ; then
echo -e -n "Everything mounted to /mnt will now be unmounted...\n"
cd $HOME
umount -l /mnt
echo -e -n "\nDone.\n"
fi
echo -e -n "\nCreating BTRFS subvolumes and mounting them to /mnt...\n"
export BTRFS_OPT=rw,noatime,ssd,compress=zstd,space_cache=v2,commit=120
mount -o "${BTRFS_OPT}" /dev/mapper/"${vg_name}"-"${lv_root_name}" /mnt
mkdir /mnt/home
mount -o "${BTRFS_OPT}" /dev/mapper/"${vg_name}"-"${lv_home_name}" /mnt/home
btrfs subvolume create /mnt/@
btrfs subvolume create /mnt/@snapshots
btrfs subvolume create /mnt/home/@home
umount /mnt/home
umount /mnt
mount -o "${BTRFS_OPT}",subvol=@ /dev/mapper/"${vg_name}"-"${lv_root_name}" /mnt
mkdir /mnt/home
mkdir /mnt/.snapshots
mount -o "${BTRFS_OPT}",subvol=@home /dev/mapper/"${vg_name}"-"${lv_home_name}" /mnt/home/
mount -o "${BTRFS_OPT}",subvol=@snapshots /dev/mapper/"${vg_name}"-"${lv_root_name}" /mnt/.snapshots/
mkdir -p /mnt/boot/efi
mount -o rw,noatime "${boot_partition}" /mnt/boot/efi/
mkdir -p /mnt/var/cache
btrfs subvolume create /mnt/var/cache/xbps
btrfs subvolume create /mnt/var/tmp
btrfs subvolume create /mnt/var/log
echo -e -n "\nDone.\n"
}
# Main
check_if_bash
@ -734,3 +791,4 @@ disk_partitioning
disk_encryption
lvm_creation
create_filesystems
create_btrfs_subvolumes