Merge current Quattro while preserving command checks

bin/omarchy-display-text-size

@@ -129,7 +129,8 @@ term_pt_for() {
     'BEGIN { printf "%d", int(s * p / b + 0.5) }'
 }
 
-# Set the font point size in every terminal config that exists. Family is left
+# Set the font point size in terminal configs, creating Kitty overrides when
+# it inherits its size from the system config. Family is left
 # untouched — that is omarchy-font-set's job. Live-reload signals mirror
 # omarchy-font-set; foot has no reload signal, so running instances are nudged.
 set_terminal_size() {
@@ -139,8 +140,13 @@ set_terminal_size() {
     sed -i -E "s/^size[[:space:]]*=.*/size = $pt/" ~/.config/alacritty/alacritty.toml
   fi
 
-  if [[ -f ~/.config/kitty/kitty.conf ]]; then
-    sed -i -E "s/^font_size[[:space:]]+.*/font_size $pt.0/" ~/.config/kitty/kitty.conf
+  if [[ -f ~/.config/kitty/kitty.conf ]] || omarchy-cmd-present kitty; then
+    mkdir -p ~/.config/kitty
+    if grep -qE '^[[:space:]]*font_size[[:space:]]+' ~/.config/kitty/kitty.conf 2>/dev/null; then
+      sed --follow-symlinks -i -E "s/^[[:space:]]*font_size[[:space:]]+.*/font_size $pt.0/" ~/.config/kitty/kitty.conf
+    else
+      printf '\nfont_size %s.0\n' "$pt" >>~/.config/kitty/kitty.conf
+    fi
     pkill -USR1 kitty 2>/dev/null || true
   fi
 
@@ -177,9 +183,13 @@ term_current_pt() {
   elif [[ -f ~/.config/alacritty/alacritty.toml ]]; then
     grep -oP '^size[[:space:]]*=[[:space:]]*\K[0-9.]+' ~/.config/alacritty/alacritty.toml | head -1
   elif [[ -f ~/.config/kitty/kitty.conf ]]; then
-    grep -oP '^font_size[[:space:]]+\K[0-9.]+' ~/.config/kitty/kitty.conf | head -1
+    local pt
+    pt=$(grep -oP '^[[:space:]]*font_size[[:space:]]+\K[0-9.]+' ~/.config/kitty/kitty.conf | tail -1)
+    echo "${pt:-$TERM_DEFAULT_PT}"
   elif [[ -f ~/.config/foot/foot.ini ]]; then
     grep -oP ':size=\K[0-9.]+' ~/.config/foot/foot.ini | head -1
+  elif omarchy-cmd-present kitty; then
+    echo "$TERM_DEFAULT_PT"
   fi
 }
 

bin/omarchy-font-set

@@ -30,8 +30,14 @@ if [[ -f ~/.config/alacritty/alacritty.toml ]]; then
   sed -i "s/family = \".*\"/family = \"$font_name\"/g" ~/.config/alacritty/alacritty.toml
 fi
 
-if [[ -f ~/.config/kitty/kitty.conf ]]; then
-  sed -i "s/^font_family .*/font_family $font_name/g" ~/.config/kitty/kitty.conf
+if [[ -f ~/.config/kitty/kitty.conf ]] || omarchy-cmd-present kitty; then
+  mkdir -p ~/.config/kitty
+  if grep -qE '^[[:space:]]*font_family[[:space:]]+' ~/.config/kitty/kitty.conf 2>/dev/null; then
+    kitty_font_name=$(printf '%s' "$font_name" | sed 's/[\\&/]/\\&/g')
+    sed --follow-symlinks -i -E "s/^[[:space:]]*font_family[[:space:]]+.*/font_family $kitty_font_name/" ~/.config/kitty/kitty.conf
+  else
+    printf '\nfont_family %s\n' "$font_name" >>~/.config/kitty/kitty.conf
+  fi
   pkill -USR1 kitty
 fi
 

bin/omarchy-hibernation-setup

@@ -30,6 +30,35 @@ MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
 SWAP_FILE="/swap/swapfile"
 RESUME_DROP_IN="/etc/limine-entry-tool.d/resume.conf"
 
+install_root_file() {
+  local source="$1"
+  local destination="$2"
+  local mode="$3"
+  local stage
+
+  stage=$(sudo /usr/bin/mktemp -- "${destination%/*}/.${destination##*/}.omarchy.XXXXXX") || return 1
+  safe_stage_path "$stage" "$destination" || return 1
+
+  if sudo /usr/bin/install -m "$mode" -o root -g root -T "$source" "$stage" &&
+    sudo /usr/bin/mv -Tf -- "$stage" "$destination"; then
+    return 0
+  else
+    safe_stage_path "$stage" "$destination" && sudo /usr/bin/rm -f -- "$stage"
+    return 1
+  fi
+}
+
+safe_stage_path() {
+  local stage="$1"
+  local destination="$2"
+  local prefix suffix
+
+  prefix="${destination%/*}/.${destination##*/}.omarchy."
+  [[ $stage == "$prefix"* ]] || return 1
+  suffix=${stage#"$prefix"}
+  [[ $suffix =~ ^[[:alnum:]]{6}$ ]]
+}
+
 # Check if hibernation is already configured
 if [[ -f $MKINITCPIO_CONF ]] && grep -q "^HOOKS+=(resume)$" "$MKINITCPIO_CONF"; then
   # Fix empty resume_offset if btrfs map-swapfile failed during initial setup
@@ -83,14 +112,20 @@ if ! swapon --show | grep -q "$SWAP_FILE"; then
   sudo swapon -p 0 "$SWAP_FILE"
 fi
 
+# Ensure keyboard backlight doesn't prevent sleep
+# Install this before writing the resume marker so a failed install remains
+# retryable through the normal setup command.
+if ! install_root_file "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" \
+  /usr/lib/systemd/system-sleep/keyboard-backlight 0755; then
+  echo "Could not install the keyboard-backlight system-sleep hook" >&2
+  exit 1
+fi
+
 # Add resume hook to mkinitcpio
 sudo mkdir -p /etc/mkinitcpio.conf.d
 echo "Adding resume hook to $MKINITCPIO_CONF"
 echo "HOOKS+=(resume)" | sudo tee "$MKINITCPIO_CONF" >/dev/null
 
-# Ensure keyboard backlight doesn't prevent sleep
-sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" /usr/lib/systemd/system-sleep/
-
 # Add resume= kernel parameters so the initramfs resume hook knows where to find the
 # hibernation image. Without these, resume happens late (after GPU drivers load) and fails.
 if [[ ! -f $RESUME_DROP_IN ]]; then

bin/omarchy-install-ai-hermes

@@ -5,28 +5,155 @@
 
 set -e
 
-# No CLI is installed here on purpose. Hermes Desktop only runs against a
-# runtime built from its own commit, so it provisions one itself under
-# ~/.hermes on first launch, which takes a few minutes and shows its own
-# progress. Handing it the mise CLI instead fails: PyPI trails the tags, and
-# the version gap fails the app's readiness probe with a 401.
+if (( EUID == 0 )); then
+  echo "Run this command as your desktop user, without sudo." >&2
+  exit 1
+fi
+
 echo "Installing Hermes Desktop..."
 omarchy-pkg-add hermes-desktop
 
+if [[ ! -r /usr/share/hermes-desktop/install.sh || ! -r /usr/share/hermes-desktop/runtime.patch ]] ||
+  ! release_commit=$(jq -er 'select(.branch == "main") | .commit | select(test("^[0-9a-f]{40}$"))' /opt/hermes-desktop/resources/install-stamp.json 2>/dev/null); then
+  echo "The installed Hermes package cannot prepare in-app updates. Run 'omarchy update', then try again." >&2
+  exit 1
+fi
+
 # If Hermes was already installed for the terminal, the app supersedes it: one
 # machine, one Hermes. This drops that copy so the terminal, the default agent
 # and the app all end up on the app's installation.
 omarchy-install-hermes-cli || true
 
+# Keep the runtime at the root even when invoked from a Hermes profile.
+HERMES_HOME=$(realpath -ms -- "${HERMES_HOME:-$HOME/.hermes}")
+home_parent=$(dirname -- "$HERMES_HOME")
+if [[ ${home_parent##*/} == [Pp][Rr][Oo][Ff][Ii][Ll][Ee][Ss] ]]; then
+  HERMES_HOME=$(dirname -- "$home_parent")
+fi
+export HERMES_HOME
+
+runtime="$HERMES_HOME/hermes-agent"
+native_app="$runtime/apps/desktop/release/linux-unpacked"
+
+runtime_ready() {
+  [[ -f $runtime/.hermes-bootstrap-complete && -f $runtime/venv/bin/hermes && -x $runtime/venv/bin/hermes && -f $runtime/venv/bin/python && -x $runtime/venv/bin/python ]] &&
+    timeout 15 "$runtime/venv/bin/hermes" --version >/dev/null 2>&1
+}
+
+check_main() {
+  local main_commit
+  main_commit=$(git -C "$runtime" rev-parse --verify refs/heads/main 2>/dev/null || true)
+  if [[ -n $main_commit && $main_commit != "$release_commit" && $main_commit != "$(git -C "$runtime" rev-parse --verify refs/remotes/origin/main 2>/dev/null)" ]]; then
+    echo "Hermes main has local commits. Keep that work and prepare the desktop with 'hermes desktop --build-only'." >&2
+    return 1
+  fi
+}
+
+if ! runtime_ready; then
+  # The upstream installer can reset an existing checkout. Do not pin a newer
+  # or modified runtime back to the package release while repairing setup.
+  if [[ -e $runtime || -L $runtime ]]; then
+    if [[ $(git -C "$runtime" rev-parse HEAD 2>/dev/null) != "$release_commit" ]] ||
+      [[ -n $(git -C "$runtime" status --porcelain --untracked-files=all) ]]; then
+      echo "Hermes setup is incomplete at $runtime. Repair that installation before trying again; existing files have been kept." >&2
+      exit 1
+    fi
+    check_main
+  fi
+
+  # Upstream replaces these commands, including foreign files and symlinks.
+  # Keep their original bytes/links before handing the names to the desktop.
+  command_backup=""
+  for command in hermes hermes-agent hermes-acp; do
+    command_path="$HOME/.local/bin/$command"
+    if [[ -e $command_path || -L $command_path ]]; then
+      if [[ ! -f $command_path && ! -L $command_path ]]; then
+        echo "Cannot replace $command_path: move it aside before installing Hermes Desktop." >&2
+        exit 1
+      fi
+      if [[ -z $command_backup ]]; then
+        command_backup=$(mktemp -d "$HOME/.local/bin/.hermes-before-desktop.XXXXXX")
+        echo "Saving existing Hermes commands in $command_backup"
+      fi
+      cp -a -- "$command_path" "$command_backup/"
+    fi
+  done
+
+  echo "Setting up the Hermes runtime..."
+  bash /usr/share/hermes-desktop/install.sh --skip-setup --branch main --commit "$release_commit" --force-commit --dir "$runtime" --hermes-home "$HERMES_HOME"
+  if ! runtime_ready; then
+    echo "Hermes runtime setup did not complete. Re-run this command after resolving the installer error." >&2
+    exit 1
+  fi
+fi
+
+runtime_commit=$(git -C "$runtime" rev-parse HEAD)
+if [[ $runtime_commit == "$release_commit" ]]; then
+  # The updater switches to main before checking for changes. Start main at
+  # the packaged release, with enough history for its first fast-forward.
+  check_main
+  if [[ $(git -C "$runtime" rev-parse --is-shallow-repository) == "true" ]]; then
+    git -C "$runtime" fetch --unshallow origin main
+  fi
+  git -C "$runtime" switch -C main "$release_commit"
+
+  if git -C "$runtime" apply --check /usr/share/hermes-desktop/runtime.patch >/dev/null 2>&1; then
+    git -C "$runtime" apply /usr/share/hermes-desktop/runtime.patch
+  elif ! git -C "$runtime" apply --reverse --check /usr/share/hermes-desktop/runtime.patch >/dev/null 2>&1; then
+    echo "The Hermes Linux runtime patch conflicts with local changes. Existing files have been kept." >&2
+    exit 1
+  fi
+fi
+
+if [[ -e $native_app || -L $native_app ]]; then
+  if [[ ! -f $native_app/Hermes || ! -x $native_app/Hermes || ! -f $native_app/resources/app.asar || ! -f $native_app/resources/install-stamp.json ]]; then
+    echo "The Hermes desktop app at $native_app is incomplete. Repair it with 'hermes desktop --build-only' before trying again." >&2
+    exit 1
+  fi
+else
+  if [[ $runtime_commit != "$release_commit" ]]; then
+    echo "The Hermes runtime has moved beyond the packaged desktop release. Run 'hermes desktop --build-only', then try again." >&2
+    exit 1
+  fi
+  desktop_changes=$(git -C "$runtime" status --porcelain --untracked-files=all -- apps/desktop package.json package-lock.json)
+  if [[ -n $desktop_changes ]]; then
+    echo "Hermes desktop sources have local changes. Run 'hermes desktop --build-only', then try again; existing files have been kept." >&2
+    exit 1
+  fi
+
+  mkdir -p -- "${native_app%/*}"
+  staging=$(mktemp -d "${native_app%/*}/.linux-unpacked.XXXXXX")
+  trap 'rm -rf -- "$staging"' EXIT
+  cp -a /opt/hermes-desktop/. "$staging/"
+  chmod 0755 "$staging/chrome-sandbox"
+  mv -T --no-clobber -- "$staging" "$native_app"
+  if [[ -e $staging ]]; then
+    echo "A Hermes desktop app appeared during setup. It has been kept; please try again." >&2
+    exit 1
+  fi
+  trap - EXIT
+
+  # Record this matching prebuilt app using the CLI's own content hash, so
+  # subsequent menu launches do not rebuild an app that is already current.
+  env -u PYTHONPATH -u PYTHONHOME "$runtime/venv/bin/python" - "$runtime" <<'PY'
+import sys
+from pathlib import Path
+
+sys.path.insert(0, sys.argv[1])
+from hermes_cli.main import _write_desktop_build_stamp
+
+_write_desktop_build_stamp(Path(sys.argv[1]), source_mode=False)
+PY
+fi
+
 echo "Opening Hermes Desktop..."
 setsid uwsm-app -- /usr/bin/hermes-desktop >/dev/null 2>&1 &
 
-# Only a running Hermes can be told which skin to show, and the first launch
-# takes minutes; a unit outlives this terminal and reports to the journal.
+# Only a running Hermes can be told which skin to show; a unit outlives this
+# terminal and reports to the journal.
 echo "Matching Hermes to the current theme once it is set up..."
 systemctl --user stop omarchy-hermes-theme.service 2>/dev/null || true
 systemd-run --user --quiet --collect --unit=omarchy-hermes-theme omarchy-theme-set-hermes --wait
 
 echo ""
 echo "Hermes Desktop has been installed."
-echo "Its first launch installs the Hermes runtime, which takes a few minutes."

bin/omarchy-mise-install

@@ -12,8 +12,38 @@ package=$1
 command=${2:-$1}
 bin=${3:-$command}
 
+# The command name becomes a file name under ~/.local/bin, so a slash in it
+# writes the wrapper somewhere else and the rm below deletes somewhere else. A
+# leading dot hides it or walks up, and a leading dash makes a name that reads
+# as an option to whatever picks it up. Checked before anything is removed or
+# written, and kept to those shapes so package names like npm:playwright still
+# stand in for the command name.
+case "$command" in
+  */* | .* | -* | *[[:cntrl:]]*)
+    echo "omarchy-mise-install: '$command' is not usable as a command name" >&2
+    exit 1
+    ;;
+esac
+
 mkdir -p "$HOME/.local/bin"
 
+# The heredoc below is unquoted, so whatever these hold is written into the
+# wrapper as shell source. Quote them the way omarchy-install-and-launch does, so
+# a package name carrying shell characters stays one argument instead of running.
+printf -v package_arg '%q' "$package"
+printf -v bin_arg '%q' "$bin"
+
+# Keep values that are inert inside double quotes in the form existing migrations
+# recognize, including mise backend options that %q would unnecessarily escape.
+case "$package" in
+  *'$'* | *'`'* | *'"'* | *'\'* | *'!'* | *[[:cntrl:]]*) ;;
+  *) package_arg="\"$package\"" ;;
+esac
+case "$bin" in
+  *'$'* | *'`'* | *'"'* | *'\'* | *'!'* | *[[:cntrl:]]*) ;;
+  *) bin_arg="\"$bin\"" ;;
+esac
+
 # These tools install and upgrade on first run, so mise's release cooldown would
 # hold a new version back for days after it ships. Exported rather than set on
 # the install line alone, so resolving the version to execute agrees with the
@@ -22,8 +52,8 @@ rm -f "$HOME/.local/bin/$command"
 cat >"$HOME/.local/bin/$command" <<EOF
 #!/bin/bash
 export MISE_MINIMUM_RELEASE_AGE=0
-mise use -g --quiet "$package" || exit 1
-exec mise x "$package" -- "$bin" "\$@"
+mise use -g --quiet $package_arg || exit 1
+exec mise x $package_arg -- $bin_arg "\$@"
 EOF
 
 chmod +x "$HOME/.local/bin/$command"

bin/omarchy-pkg-aur-install

@@ -24,6 +24,6 @@ if [[ -n $pkg_names ]]; then
   source omarchy-sudo-keepalive
 
   echo "$pkg_names" | sed 's/^/aur\//' | tr '\n' ' ' | xargs yay -S --noconfirm
-  sudo updatedb
+  sudo updatedb --prune-bind-mounts=no --add-prunepaths=/.snapshots
   omarchy-show-done
 fi

bin/omarchy-remove-ai-hermes

@@ -6,6 +6,52 @@
 # -u so an unset HOME is an error rather than a set of rm -rf paths rooted at /.
 set -euo pipefail
 
+ensure_hermes_stopped() {
+  python3 - "$HOME" <<'PY'
+import os
+from pathlib import Path
+import sys
+
+home = Path(sys.argv[1])
+roots = [str((home / relative).resolve()) for relative in ('.hermes', '.config/Hermes')]
+roots.append('/opt/hermes-desktop')
+
+def belongs_to_hermes(target):
+    target = target.removesuffix(' (deleted)')
+    return any(target == root or target.startswith(root + '/') for root in roots)
+
+holders = []
+for process in Path('/proc').iterdir():
+    if not process.name.isdigit() or int(process.name) == os.getpid():
+        continue
+    try:
+        if process.stat().st_uid != os.getuid():
+            continue
+        targets = [os.fsdecode(arg) for arg in (process / 'cmdline').read_bytes().split(b'\0')]
+        entries = [process / 'exe', process / 'cwd']
+        try:
+            entries.extend((process / 'fd').iterdir())
+        except PermissionError:
+            pass
+        for entry in entries:
+            try:
+                targets.append(os.readlink(entry))
+            except OSError:
+                pass
+        if any(belongs_to_hermes(target) for target in targets):
+            holders.append(process.name)
+    except (FileNotFoundError, ProcessLookupError, PermissionError):
+        continue
+
+if holders:
+    print('Close Hermes and processes using its files before removing it (PIDs: '
+          + ', '.join(holders) + '). Then try again.', file=sys.stderr)
+    sys.exit(1)
+PY
+}
+
+# Removing an open SQLite WAL leaves a live writer on a deleted generation.
+ensure_hermes_stopped
 omarchy-pkg-drop hermes-desktop
 
 # The installer leaves a unit waiting to hand the app the Omarchy theme.
@@ -19,6 +65,7 @@ systemctl --user stop omarchy-hermes-theme.service 2>/dev/null || true
 # Tolerated here rather than fatal, so the ~/.hermes handling below still runs;
 # the failure is answered for at the end instead of being swallowed.
 cli_removed=true
+ensure_hermes_stopped
 omarchy-install-hermes-cli --remove || cli_removed=false
 
 # The app writes this when the runtime it provisions under ~/.hermes has landed,
@@ -78,6 +125,7 @@ if [[ -d $HOME/.hermes || -d $HOME/.config/Hermes ]] && [[ -t 0 ]]; then
   # turn that into an aborted removal; the size is worth no such thing.
   size=$(du -shc "$HOME/.hermes" "$HOME/.config/Hermes" 2>/dev/null | tail -1 | cut -f1 || true)
   if gum confirm --default=false "Also delete ~/.hermes and ~/.config/Hermes ($size: chats, memories, skills, connections and tokens)?"; then
+    ensure_hermes_stopped
     rm -rf "$HOME/.hermes" "$HOME/.config/Hermes"
     data_removed=true
   fi

bin/omarchy-sudo-passwordless

@@ -13,6 +13,19 @@ if [[ $1 && ! $1 =~ ^[0-9]+$ ]]; then
   exit 1
 fi
 
+arm_expiry() {
+  if sudo systemd-run --on-active=${MINUTES}m --timer-property=AccuracySec=1s --unit="$TIMER_NAME" \
+    rm -f -- "$NOPASSWD_FILE"; then
+    return 0
+  fi
+
+  echo "Failed to schedule passwordless sudo expiry. Revoking access now." >&2
+  if ! sudo rm -f -- "$NOPASSWD_FILE"; then
+    echo "CRITICAL: Could not remove $NOPASSWD_FILE. Remove it as root immediately." >&2
+  fi
+  return 1
+}
+
 echo "Toggle passwordless sudo..."
 
 # Safety: if the file exists but the timer doesn't (e.g. after reboot), clean up
@@ -24,8 +37,7 @@ fi
 if sudo test -f "$NOPASSWD_FILE"; then
   if [[ $1 ]]; then
     sudo systemctl stop "${TIMER_NAME}.timer" 2>/dev/null
-    sudo systemd-run --on-active=${MINUTES}m --timer-property=AccuracySec=1s --unit="$TIMER_NAME" \
-      rm "$NOPASSWD_FILE"
+    arm_expiry || exit 1
     echo "Passwordless sudo timer updated. It will now automatically disable in ${MINUTES} minutes."
   else
     sudo rm "$NOPASSWD_FILE"
@@ -48,12 +60,11 @@ else
   if gum confirm "Enable passwordless sudo for ${MINUTES} minutes? This is a significant security risk!"; then
     echo "${USER} ALL=(ALL) NOPASSWD: ALL" | sudo tee "$NOPASSWD_FILE" > /dev/null
     sudo chmod 440 "$NOPASSWD_FILE"
-    sudo systemd-run --on-active=${MINUTES}m --timer-property=AccuracySec=1s --unit="$TIMER_NAME" \
-      rm "$NOPASSWD_FILE"
+    arm_expiry || exit 1
 
     echo ""
     echo "Passwordless sudo has been ENABLED. It will automatically disable in ${MINUTES} minutes."
-    echo "Note: if you restart before then, run omarchy-sudo-passwordless again to disable it."
+    echo "A restart removes the passwordless sudo rule as well."
   else
     echo "Aborted. No changes made."
   fi

bin/omarchy-toggle-hybrid-gpu

@@ -3,6 +3,35 @@
 # omarchy:summary=Toggle dedicated vs integrated GPU mode via supergfxd (for hybrid gpu laptops, like Asus G14).
 # omarchy:requires-sudo=true
 
+install_root_file() {
+  local source="$1"
+  local destination="$2"
+  local mode="$3"
+  local stage
+
+  stage=$(sudo /usr/bin/mktemp -- "${destination%/*}/.${destination##*/}.omarchy.XXXXXX") || return 1
+  safe_stage_path "$stage" "$destination" || return 1
+
+  if sudo /usr/bin/install -m "$mode" -o root -g root -T "$source" "$stage" &&
+    sudo /usr/bin/mv -Tf -- "$stage" "$destination"; then
+    return 0
+  else
+    safe_stage_path "$stage" "$destination" && sudo /usr/bin/rm -f -- "$stage"
+    return 1
+  fi
+}
+
+safe_stage_path() {
+  local stage="$1"
+  local destination="$2"
+  local prefix suffix
+
+  prefix="${destination%/*}/.${destination##*/}.omarchy."
+  [[ $stage == "$prefix"* ]] || return 1
+  suffix=${stage#"$prefix"}
+  [[ $suffix =~ ^[[:alnum:]]{6}$ ]]
+}
+
 if omarchy-cmd-missing supergfxctl; then
   omarchy-pkg-add supergfxctl
 
@@ -54,18 +83,31 @@ case "$gpu_mode" in
   ;;
 "Hybrid")
   if gum confirm "Use only integrated GPU and reboot?"; then
-    # Switch to integrated mode and ensure vfio is enabled (needed for sleep/wake trick)
-    sudo sed -i "s/\"mode\": \".*\"/\"mode\": \"Integrated\"/" /etc/supergfxd.conf
-    sudo sed -i 's/"vfio_enable": false/"vfio_enable": true/' /etc/supergfxd.conf
-
-    # Force igpu mode after system sleep (or dgpu could get activated)
-    sudo mkdir -p /usr/lib/systemd/system-sleep
-    sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/force-igpu" /usr/lib/systemd/system-sleep/
-
     # Delay supergfxd startup to avoid race condition with display manager
     # that can cause system freeze when booting in Integrated mode
     sudo mkdir -p /etc/systemd/system/supergfxd.service.d
-    sudo cp -p "$OMARCHY_PATH/default/systemd/system/supergfxd.service.d/delay-start.conf" /etc/systemd/system/supergfxd.service.d/
+    if ! install_root_file "$OMARCHY_PATH/default/systemd/system/supergfxd.service.d/delay-start.conf" \
+      /etc/systemd/system/supergfxd.service.d/delay-start.conf 0644; then
+      echo "Could not install the supergfxd startup-delay override" >&2
+      exit 1
+    fi
+
+    # Publish the self-guarding sleep hook before enabling Integrated mode. It
+    # remains inert while the config says Hybrid, so any failed step is safe to
+    # retry without leaving the GPU config partially switched.
+    sudo mkdir -p /usr/lib/systemd/system-sleep
+    if ! install_root_file "$OMARCHY_PATH/default/systemd/system-sleep/force-igpu" \
+      /usr/lib/systemd/system-sleep/force-igpu 0755; then
+      echo "Could not install the force-igpu system-sleep hook" >&2
+      exit 1
+    fi
+
+    # Switch both settings in one atomic config rewrite only after every
+    # supporting file has been installed successfully.
+    sudo sed -i \
+      -e 's/"mode": ".*"/"mode": "Integrated"/' \
+      -e 's/"vfio_enable": false/"vfio_enable": true/' \
+      /etc/supergfxd.conf
 
     omarchy-system-reboot
   fi