Major rewrite: switching back to Arch from NixOS

root/etc/anacrontab

@@ -18,6 +18,6 @@ START_HOURS_RANGE=3-22
 @daily          	15               	 pacman_file_db       	/usr/bin/pacman -Fy
 
 
-@daily          	10               	 snapshot.daily       	/usr/local/bin/btrfs-backup -l daily -k 8 -- /.btrfs/@ /.btrfs/@home /.btrfs/@data /.btrfs/@log
-@weekly         	20               	 snapshot.weekly      	/usr/local/bin/btrfs-backup -l weekly -k 5 -- /.btrfs/@ /.btrfs/@home /.btrfs/@data /.btrfs/@log
-@monthly        	30               	 snapshot.monthly     	/usr/local/bin/btrfs-backup -l monthly -k 3 -- /.btrfs/@ /.btrfs/@home /.btrfs/@data /.btrfs/@log
+@daily          	10               	 snapshot.daily       	/usr/local/bin/btrfs-backup -l daily -k 8 -d /.btrfs/snapshots -- /.btrfs/root /.btrfs/data
+@weekly         	20               	 snapshot.weekly      	/usr/local/bin/btrfs-backup -l weekly -k 5 -d /.btrfs/snapshots -- /.btrfs/root /.btrfs/data
+@monthly        	30               	 snapshot.monthly     	/usr/local/bin/btrfs-backup -l monthly -k 3 -d /.btrfs/snapshots -- /.btrfs/root /.btrfs/data

root/etc/crontab

@@ -5,5 +5,5 @@
 # m h dom mon dow user command
 */30 * * * * 	 root 	/usr/bin/updatedb
 
-15,30,45 * * * * 	 root 	/usr/local/bin/btrfs-backup -l quaterly -k 4 -- /.btrfs/@ /.btrfs/@home /.btrfs/@data /.btrfs/@log
-0        * * * * 	 root 	/usr/local/bin/btrfs-backup -l hourly -k 8 -- /.btrfs/@ /.btrfs/@home /.btrfs/@data /.btrfs/@log
+15,30,45 * * * * 	 root 	/usr/local/bin/btrfs-backup -l quaterly -k 4 -d /.btrfs/snapshots -- /.btrfs/root /.btrfs/data
+0        * * * * 	 root 	/usr/local/bin/btrfs-backup -l hourly -k 8 -d /.btrfs/snapshots -- /.btrfs/root /.btrfs/data

root/etc/fonts/local.conf

@@ -0,0 +1,53 @@
+<?xml version='1.0'?>
+<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
+<fontconfig>
+  <alias binding="same">
+    <family>sans-serif</family>
+    <prefer>
+      <family>Noto Sans</family>
+      <family>Jost</family>
+      <family>Lexend</family>
+      <family>Iosevka Nerd Font</family>
+      <family>Symbols Nerd Font</family>
+      <family>Noto Color Emoji</family>
+    </prefer>
+  </alias>
+
+  <alias binding="same">
+    <family>serif</family>
+    <prefer>
+      <family>Noto Serif</family>
+      <family>Iosevka Nerd Font</family>
+      <family>Symbols Nerd Font</family>
+      <family>Noto Color Emoji</family>
+    </prefer>
+  </alias>
+
+  <alias binding="same">
+    <family>monospace</family>
+    <prefer>
+      <family>Monaspace Krypton</family>
+      <family>Source Code Pro Medium</family>
+      <family>Source Han Mono</family>
+      <family>Iosevka Nerd Font</family>
+      <family>Symbols Nerd Font</family>
+      <family>Noto Color Emoji</family>
+    </prefer>
+  </alias>
+
+  <alias binding="same">
+    <family>emoji</family>
+    <prefer>
+      <family>Noto Color Emoji</family>
+      <family>Iosevka Nerd Font</family>
+      <family>Symbols Nerd Font</family>
+      <family>Noto Color Emoji</family>
+    </prefer>
+  </alias>
+
+  <selectfont>
+    <rejectfont>
+      <glob>/usr/share/fonts/nerd-fonts-git/TTF/Caskaydia*</glob>
+    </rejectfont>
+  </selectfont>
+</fontconfig>

root/etc/greetd/config.toml

@@ -0,0 +1,20 @@
+[terminal]
+# The VT to run the greeter on. Can be "next", "current" or a number
+# designating the VT.
+vt = 1
+
+# Auto-login session, triggered right after boot.
+# If the user logs out, greetd will render the default session
+[initial_session]
+user = "itsdrike"
+command = "/usr/local/bin/greetd-session-wrapper Hyprland"
+
+# The default session, also known as the greeter.
+[default_session]
+
+command = "tuigreet --time --remember --remember-user-session --asterisks --greeting 'Stop staring and log in already' --theme 'border=magenta;text=cyan;prompt=green;time=red;action=white;button=yellow;container=black;input=gray' --sessions /usr/share/wayland-sessions --xsessions /usr/share/xsessions --session-wrapper /usr/local/bin/greetd-session-wrapper --xsession-wrapper /usr/local/bin/greetd-session-wrapper startx /usr/bin/env"
+
+# The user to run the command as. The privileges this user must have depends
+# on the greeter. A graphical greeter may for example require the user to be
+# in the `video` group.
+user = "greeter"

root/etc/systemd/system/fstrim.service.d/override.conf

@@ -0,0 +1,5 @@
+[Unit]
+ConditionACPower=true
+
+[Service]
+Nice=19

root/etc/systemd/system/power-profiles-monitor.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Monitor the battery status, switching power profiles accordingly
+Wants=power-profiles-daemon.service
+
+[Service]
+ExecStart=/usr/local/bin/power-profiles-monitor
+Restart=on-failure
+Type=simple
+
+[Install]
+WantedBy=default.target

root/usr/lib/initcpio/install/numlock

@@ -0,0 +1,28 @@
+#!/bin/bash
+build() {
+  add_binary /bin/bash
+  add_binary /usr/bin/setleds
+  add_binary /usr/local/bin/numlock
+
+  cat >"$BUILDROOT/usr/lib/systemd/system/numlock.service" <<EOF
+[Unit]
+Description=Enable numlock
+Before=cryptsetup-pre.target
+DefaultDependencies=no
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/local/bin/numlock
+EOF
+
+  add_systemd_unit cryptsetup-pre.target
+  cd "$BUILDROOT/usr/lib/systemd/system/sysinit.target.wants" || exit
+  ln -sf /usr/lib/systemd/system/cryptsetup-pre.target cryptsetup-pre.target
+  ln -sf /usr/lib/systemd/system/numlock.service numlock.service
+}
+
+help() {
+  cat <<EOF
+This hook adds support to enable numlock before sd-encrypt hook is run.
+EOF
+}

root/usr/local/bin/btrfs-backup

@@ -208,7 +208,7 @@ argsp_cmdline() {
     fi
   fi
 
-  if [ "${ret_val[keep]}" -eq 0 ] && [ "${ret_val[skip_create]}" -eq 0 ]; then
+  if [ -n "${ret_val[keep]}" ] && [ "${ret_val[keep]}" -eq 0 ] && [ "${ret_val[skip_create]}" -eq 0 ]; then
     echo "Using --keep=0 doesn't make sense without --skip-create." >&2
     echo "It would delete the new snapshot you wanted to create." >&2
     argsp_cmdline_exit="$ERR_CODE_INVALID_ARG"

root/usr/local/bin/greetd-session-wrapper

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -euo pipefail
+
+# This is a helper wrapper script for greetd.
+#
+# It will run the session / application using the appropriate shell configured for
+# this user. That way, we can make sure all of the environment variables are set
+# before the WM/DE session is started.
+#
+# This is very important, as without it, variables for things like qt theme
+# will not be set, and applications executed by the WM/DE will not be themed properly.
+
+script_name="$0"
+shell="$(getent passwd "$USER" | awk -F: '{print $NF}')"
+command=("$@")
+
+exec "$shell" -c 'exec "$@"' "$script_name" "${command[@]}"

root/usr/local/bin/numlock

@@ -0,0 +1,5 @@
+#!/bin/bash
+for tty in /dev/tty[0-9]; do
+  /usr/bin/setleds -D +num < "$tty"
+done
+

root/usr/local/bin/power-profiles-monitor

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ "$EUID" -ne 0 ]; then
+  echo "You must run this script as root"
+  exit 1
+fi
+
+BAT=$(echo /sys/class/power_supply/BAT*) # only supports single-battery systems
+BAT_STATUS="$BAT/status"
+BAT_CAP="$BAT/capacity"
+OVERRIDE_FLAG="/tmp/power-monitor-override"
+
+POWER_SAVE_PERCENT=50 # Enter power-save mode if on bat and below this capacity
+
+HAS_PERFORMANCE="$(powerprofilesctl list | grep "performance" || true)" # the || true ignores grep failing with non-zero code
+
+# monitor loop
+prev=0
+while true; do
+  # check if override is set
+  if [ -f "$OVERRIDE_FLAG" ]; then
+    echo "Override flag set, waiting for release"
+    inotifywait -qq "$OVERRIDE_FLAG"
+    continue
+  fi
+
+  # read the current state
+  status="$(cat "$BAT_STATUS")"
+  capacity="$(cat "$BAT_CAP")"
+
+  if [[ $status == "Discharging" ]]; then
+    if [[ $capacity -le $POWER_SAVE_PERCENT ]]; then
+      profile="power-saver"
+    else
+      profile="balanced"
+    fi
+  else
+    if [[ -n $HAS_PERFORMANCE ]]; then
+      profile="performance"
+    else
+      profile="balanced"
+    fi
+  fi
+
+  # Set the new profile
+  if [[ "$profile" != "$prev" ]]; then
+    echo -en "Setting power profile to ${profile}\n"
+    powerprofilesctl set $profile
+    prev=$profile
+  fi
+
+  # wait for changes in status or capacity files
+  # i.e. for the next power change event
+  inotifywait -qq "$BAT_STATUS" "$BAT_CAP"
+done