Initial commit

snapper-support.install

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+mkinitcpio_has_grub_btrfs_overlayfs_hook() {
+    grep -qe "^HOOKS=.*grub-btrfs-overlayfs" /etc/mkinitcpio.conf
+}
+
+post_install() {
+    # Change grub snapshot submenu name
+    if [ -e /etc/lsb-release ]; then
+       echo "Using default grub snapshot submenu name"
+    else
+       sed -i /etc/default/grub-btrfs/config \
+           -e "s,.*GRUB_BTRFS_SUBMENUNAME=.*,GRUB_BTRFS_SUBMENUNAME=\"$(sed '/^NAME=/!d;s/NAME=//;s/"//gm' /etc/os-release) snapshots\","
+       echo "Generating grub snapshot submenu name from /etc/os-release values"
+    fi
+
+    if [[ $(/usr/bin/systemctl is-enabled grub-btrfs.path) == "enabled" ]]; then 
+        /usr/bin/systemctl disable --now grub-btrfs.path; 
+    fi
+
+    echo "Enabling automatic rebuild of grub-btrfs when snapshots are taken"
+    /usr/bin/systemctl daemon-reload
+    /usr/bin/systemctl enable --now grub-btrfs-snapper.path
+    /usr/bin/systemctl enable --now snapper-cleanup.timer
+    #/usr/bin/systemctl enable snapper-timeline.timer
+    
+    echo "Creating snapper config for root"
+    /usr/bin/snapper create-config --template snapper /
+
+    if ! mkinitcpio_has_grub_btrfs_overlayfs_hook; then
+        sed -re 's/(^HOOKS=[\"|(][^")]+)/\1 grub-btrfs-overlayfs/gi' -i /etc/mkinitcpio.conf
+    fi
+}
+
+pre_remove() {
+    echo "Deleting snapper config for root"
+    /usr/bin/snapper delete-config
+    if mkinitcpio_has_grub_btrfs_overlayfs_hook; then
+        sed -re 's/(^HOOKS=["(].*) grub-btrfs-overlayfs/\1/g' -i /etc/mkinitcpio.conf
+    fi
+    echo "Disabling related snapper and grub-btrfs services"
+    /usr/bin/systemctl disable --now grub-btrfs-snapper.path
+    /usr/bin/systemctl disable --now snapper-cleanup.timer
+    #/usr/bin/systemctl disable snapper-timeline.timer
+}