*: refactor

Documentation will be rewritten and added later.

hook/systemd-udev/systemd-udev

@@ -0,0 +1,15 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# https://shellcheck.net/wiki/SC2154
+# shellcheck disable=2154
+
+for _bin in /lib/systemd/systemd-udevd udevadm; do
+    copy_exec "$_bin"
+done
+
+mkdir -p "${tmpdir}/lib/udev/rules.d"
+cat > "${tmpdir}/lib/udev/rules.d/device.rules" << EOF
+SUBSYSTEMS=="block", ACTION=="add", RUN+="/sbin/helper"
+ENV{MODALIAS}=="?*", ACTION=="add", RUN+="/sbin/helper"
+EOF

hook/systemd-udev/systemd-udev.init

@@ -0,0 +1,10 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# https://shellcheck.net/wiki/SC2154
+# shellcheck disable=2154
+
+systemd-udevd -dN never
+udevadm trigger -c add -t subsystems
+udevadm trigger -c add -t devices
+udevadm settle

hook/systemd-udev/systemd-udev.init.late

@@ -0,0 +1,4 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+
+udevadm control -e