Create snapper config to implement BTRFS snapshots

0-preinstall.sh

@@ -76,8 +76,8 @@ createsubvolumes () {
 mountallsubvol () {
     mount -o ${MOUNT_OPTIONS},subvol=@home ${partition3} /mnt/home
     mount -o ${MOUNT_OPTIONS},subvol=@tmp ${partition3} /mnt/tmp
-    mount -o ${MOUNT_OPTIONS},subvol=@.snapshots ${partition3} /mnt/.snapshots
     mount -o ${MOUNT_OPTIONS},subvol=@var ${partition3} /mnt/var
+    mount -o ${MOUNT_OPTIONS},subvol=@.snapshots ${partition3} /mnt/.snapshots
 }
 
 subvolumesetup () {

3-post-setup.sh

@@ -88,6 +88,22 @@ systemctl disable dhcpcd.service
 systemctl stop dhcpcd.service
 systemctl enable NetworkManager.service
 systemctl enable bluetooth
+
+if [[ "${FS}" == "luks" || "${FS}" == "btrfs" ]]; then
+echo -ne "
+-------------------------------------------------------------------------
+                    Creating Snapper Config
+-------------------------------------------------------------------------
+"
+
+SNAPPER_CONF="/root/ArchTitus/configs/etc/snapper/configs/root"
+SNAPPER_CONF_D="/root/ArchTitus/configs/etc/conf.d/snapper"
+
+cp -a ${SNAPPER_CONF} /home/$USERNAME/etc/snapper/configs/
+cp -a ${SNAPPER_CONF_D} /home/$USERNAME/etc/conf.d/
+
+fi
+
 echo -ne "
 -------------------------------------------------------------------------
                     Cleaning

configs/etc/conf.d/snapper

@@ -0,0 +1,6 @@
+## Path: System/Snapper
+
+## Type:        string
+## Default:     ""
+# List of snapper configurations.
+SNAPPER_CONFIGS="root"

configs/etc/snapper/configs/root

@@ -0,0 +1,62 @@
+# subvolume to snapshot
+SUBVOLUME="/"
+
+# filesystem type
+FSTYPE="btrfs"
+
+
+# btrfs qgroup for space aware cleanup algorithms
+QGROUP=""
+
+
+# fraction or absolute size of the filesystems space the snapshots may use
+SPACE_LIMIT="0.5"
+
+# fraction or absolute size of the filesystems space that should be free
+FREE_LIMIT="0.2"
+
+
+# users and groups allowed to work with config
+ALLOW_USERS=""
+ALLOW_GROUPS=""
+
+# sync users and groups from ALLOW_USERS and ALLOW_GROUPS to .snapshots
+# directory
+SYNC_ACL="no"
+
+
+# start comparing pre- and post-snapshot in background after creating
+# post-snapshot
+BACKGROUND_COMPARISON="yes"
+
+
+# run daily number cleanup
+NUMBER_CLEANUP="yes"
+
+# limit for number cleanup
+NUMBER_MIN_AGE="1800"
+NUMBER_LIMIT="10"
+NUMBER_LIMIT_IMPORTANT="5"
+
+
+# create hourly snapshots
+TIMELINE_CREATE="no"
+
+# cleanup hourly snapshots after some time
+TIMELINE_CLEANUP="yes"
+
+# limits for timeline cleanup
+TIMELINE_MIN_AGE="1800"
+TIMELINE_LIMIT_HOURLY="5"
+TIMELINE_LIMIT_DAILY="7"
+TIMELINE_LIMIT_WEEKLY="0"
+TIMELINE_LIMIT_MONTHLY="0"
+TIMELINE_LIMIT_YEARLY="0"
+
+
+# cleanup empty pre-post-pairs
+EMPTY_PRE_POST_CLEANUP="yes"
+
+# limits for empty pre-post-pair cleanup
+EMPTY_PRE_POST_MIN_AGE="1800"
+