Merge pull request #1957 from ublue-os/snapper-ujust

feat: Move default snapper config into ujust as followup to #1939

system_files/desktop/shared/usr/libexec/bazzite-snapper-config

@@ -0,0 +1,61 @@
+#!/bin/bash
+set_snapper_defaults () {
+    # Set the config to 0 retention, has to be changed by user
+    sudo snapper set-config "TIMELINE_MIN_AGE=1800"
+    sudo snapper set-config "TIMELINE_LIMIT_DAILY=0"
+    sudo snapper set-config "TIMELINE_LIMIT_HOURLY=0"
+    sudo snapper set-config "TIMELINE_LIMIT_MONTHLY=0"
+    sudo snapper set-config "TIMELINE_LIMIT_WEEKLY=0"
+    sudo snapper set-config "TIMELINE_LIMIT_QUARTERLY=0"
+    sudo snapper set-config "TIMELINE_LIMIT_YEARLY=0"
+
+    # Set manual/boot retention to 0
+    sudo snapper set-config "NUMBER_MIN_AGE=1800"
+    sudo snapper set-config "NUMBER_LIMIT=0"
+    sudo snapper set-config "NUMBER_LIMIT_IMPORTANT=0"
+
+    # Enable cleanup
+    sudo systemctl enable --now snapper-cleanup.timer
+}
+
+cleanup_snapper () {
+    sudo snapper cleanup number
+    sudo snapper cleanup timeline 
+}
+
+disable_snapper () {
+    # Make a config for /var/home as /home will not work
+    sudo snapper -c root delete-config 
+
+    # Disable the timeline and boot timers
+    sudo systemctl disable --now snapper-timeline.timer
+    sudo systemctl disable --now snapper-boot.timer 
+}
+
+if [ -z "$1" ] || [ "$1" == "enable" ]; then
+    # Create an empty config for the home subvolume if a root config does not exist
+    if ! sudo snapper get-config >/dev/null 2>&1; then
+        # Make a config for /var/home as /home will not work
+        sudo snapper create-config /var/home
+
+        # Set the snapper config settings
+        set_snapper_defaults
+
+        # Disable the timeline and boot timers
+        sudo systemctl disable --now snapper-timeline.timer
+        sudo systemctl disable --now snapper-boot.timer
+
+        # Launch btrfs assistant so people can change the settings
+        zenity --info --text="Please change retention settings to what you want in the Snapper Settings tab in btrfs-assistant. Deleted data that still exist in a snapshot will still use disk space!"
+        btrfs-assistant-launcher &
+    fi
+elif [ "$1" == "clean" ]; then
+    cleanup_snapper
+elif [ "$1" == "wipe" ]; then
+    set_snapper_defaults
+    cleanup_snapper
+    disable_snapper
+    sudo systemctl disable --now snapper-cleanup.timer
+else
+    disable_snapper
+fi

system_files/desktop/shared/usr/share/ublue-os/just/80-bazzite.just

@@ -174,6 +174,30 @@ ptyxis-transparency opacity="0.95":
       printf "Value must be between 0 and 1: %s.\n" "{{ opacity }}"
     fi
 
+# Configure snapshotting for /var/home
+configure-snapshots ACTION="":
+    #!/usr/bin/bash
+    source /usr/lib/ujust/ujust.sh
+    OPTION={{ ACTION }}
+    if [ "$OPTION" == "help" ]; then
+      echo "Usage: ujust configure-snapshots <option>"
+      echo "  <option>: Specify the quick option to skip the prompt"
+      echo "  Use 'enable' enable snapshotting of /var/home"
+      echo "  Use 'disable' disable snapshotting of /var/home"
+      echo "  Use 'wipe' disable snapshotting and remove all automatic snapshots of /var/home"
+      exit 0
+    elif [ "$OPTION" == "" ]; then
+      echo "${bold}Snapper setup and configuration${normal}"
+      OPTION=$(Choose "Enable Snapper" "Disable Snapper" "Wipe Snapper config and automatic snapshots")
+    fi
+    if [[ "${OPTION,,}" =~ ^enable ]]; then
+      /usr/libexec/bazzite-snapper-config enable
+    elif [[ "${OPTION,,}" =~ ^disable ]]; then
+      /usr/libexec/bazzite-snapper-config disable
+    elif [[ "${OPTION,,}" =~ ^wipe ]]; then
+      /usr/libexec/bazzite-snapper-config wipe
+    fi
+
 # Bazzite CLI mod for bluefin style cli-bing (modfied copy of https://github.com/ublue-os/bluefin/blob/faf7303afa6f8d6e747940c1d1ba63c6d2d43c80/system_files/shared/usr/libexec/ublue-bling.sh#L62)
 bazzite-cli:
     #!/usr/bin/bash
@@ -356,7 +380,6 @@ toggle-password-feedback ACTION="":
     #!/usr/bin/bash
     PWFEEDBACK_FILE="/etc/sudoers.d/enable-pwfeedback"
     OPTION={{ ACTION }}
-
     if [ "$OPTION" = "on" ]; then
       echo 'Defaults pwfeedback' | sudo tee $PWFEEDBACK_FILE
       echo "enabled, restart terminal to see changes"