{{- $machineRole := default "host" (index . "machineRole") -}}
{{- if eq $machineRole "host" -}}
#!/usr/bin/env dash
# Deploy system-level configs from etc/ to /etc/.
# chezmoi re-runs this script whenever any file under etc/ changes.
# etc/ content hash: {{ output "sh" "-c" (printf "cd %q && find etc -type f ! -name .ignore -exec sha256sum {} + | LC_ALL=C sort" .chezmoi.sourceDir) | sha256sum }}
# luks root uuid: {{ output "lsblk" "-dno" "UUID" (printf "/dev/%s" .luksRootPartition) | trim }}
set -eu

cd "$CHEZMOI_SOURCE_DIR"
if [ -f etc/kernel/uki.conf ]; then
  systemd_version=$(pacman -Q systemd | awk '{ print $2 }')
  ukify_version=$(pacman -Q systemd-ukify | awk '{ print $2 }')
  if [ "$systemd_version" != "$ukify_version" ] || ! command -v ukify >/dev/null 2>&1; then
    echo 'Install a systemd-ukify version that matches systemd before deploying NvPCR support.' >&2
    exit 1
  fi
  if ! command -v sbverify >/dev/null 2>&1; then
    echo 'Install sbsigntools before deploying NvPCR support.' >&2
    exit 1
  fi
  if ! sudo test -s /etc/systemd/tpm2-pcr-private-key.pem ||
     ! sudo test -s /etc/systemd/tpm2-pcr-public-key.pem ||
     ! sudo test -s /var/lib/dotfiles/tpm-nvpcr/backup/etc.tar ||
     ! sudo test -s /var/lib/dotfiles/tpm-nvpcr/backup/arch-linux-hardened.efi ||
     ! sudo test -s /var/lib/dotfiles/tpm-nvpcr/backup/arch-linux-hardened-fallback.efi ||
     ! sudo test -s /var/lib/dotfiles/tpm-nvpcr/backup/arch-linux-lts.efi ||
     ! sudo test -s /var/lib/dotfiles/tpm-nvpcr/backup/arch-linux-lts-fallback.efi ||
     ! sudo test -s /boot/EFI/Linux/arch-linux-hardened.efi ||
     ! sudo sbverify --cert /var/lib/sbctl/keys/db/db.pem \
       /boot/EFI/Linux/arch-linux-hardened.efi >/dev/null 2>&1; then
    echo 'Check the PCR key pair, root-only backup, and signed main UKI. See docs/tpm-unlock.md.' >&2
    exit 1
  fi
  if [ "$(sudo stat -c %U:%G:%a /etc/systemd/tpm2-pcr-private-key.pem)" != root:root:600 ] ||
     ! sudo openssl pkey -in /etc/systemd/tpm2-pcr-private-key.pem -pubout 2>/dev/null |
       sudo cmp -s /etc/systemd/tpm2-pcr-public-key.pem -; then
    echo 'The root-owned PCR signing key pair is invalid or has unsafe permissions.' >&2
    exit 1
  fi
  if sudo test -e /var/lib/dotfiles/tpm-nvpcr/rollback; then
    echo 'NvPCR rollback is active. Restore the previous repo revision before applying.' >&2
    exit 1
  fi
fi
find etc -type f ! -name .ignore | while IFS= read -r src; do
  case "$src" in
    *.tmpl)
      dest="/${src%.tmpl}"
      tmp=$(mktemp)
      chezmoi execute-template <"$src" >"$tmp"
      sudo install -D -m 0644 -o root -g root "$tmp" "$dest"
      rm -f "$tmp"
      ;;
    etc/sudoers-rs)
      sudo install -D -m 0440 -o root -g root "$src" "/${src}"
      ;;
    etc/systemd/system-sleep/*)
      sudo install -D -m 0755 -o root -g root "$src" "/${src}"
      ;;
    etc/initcpio/install/*)
      sudo install -D -m 0755 -o root -g root "$src" "/${src}"
      ;;
    *)
      sudo install -D -m 0644 -o root -g root "$src" "/${src}"
      ;;
  esac
done

if [ -d etc/udev/rules.d ]; then
  sudo udevadm control --reload
  sudo udevadm trigger --subsystem-match=usb
  sudo udevadm trigger --subsystem-match=hidraw
fi

# sudo-rs: /etc/pam.d/sudo-i is a symlink to /etc/pam.d/sudo
sudo ln -sfT sudo /etc/pam.d/sudo-i

# Pick up changes to repo-managed systemd units and drop-ins under /etc.
sudo systemctl daemon-reload

# Reload systemd-logind so changes under /etc/systemd/logind.conf.d/
# (e.g. HandlePowerKey overrides) take effect without dropping sessions.
sudo systemctl kill -s HUP systemd-logind
{{- else -}}
#!/usr/bin/env dash
# /etc deployment is host-only.
set -eu
exit 0
{{- end }}