move device managers to hooks

hooks/eudev/eudev

@@ -0,0 +1,24 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# handle_eudev()
+{
+    print "configuring eudev"
+
+    for _binary in udevd udevadm; do
+        copy_binary "$_binary"
+    done
+
+    mkdir -p "${tmpdir}/lib/udev/rules.d"
+
+    printf "%s\n" \
+        'SUBSYSTEMS=="block", ACTION=="add", RUN+="/bin/device-helper"' \
+    > "${tmpdir}/lib/udev/rules.d/device-helper.rules"
+
+    [ "$monolith" = 1 ] || printf "%s\n" \
+        'ENV{MODALIAS}=="?*", ACTION=="add", RUN+="/bin/modprobe %E{MODALIAS}"' \
+    >> "${tmpdir}/lib/udev/rules.d/device-helper.rules"
+}

hooks/eudev/eudev.init

@@ -0,0 +1,15 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2034
+#
+# run_eudev()
+{
+    [ "$break" = devmgr ] && { print "break before run_eudev()"; sh; }
+
+    udevd -N never & eudev_pid="$!"
+    udevadm trigger -c add -t subsystems
+    udevadm trigger -c add -t devices
+    udevadm settle
+}

hooks/eudev/eudev.init.late

@@ -0,0 +1,10 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# stop_eudev()
+{
+    kill "$eudev_pid"
+}

hooks/mdev/mdev

@@ -0,0 +1,22 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2016
+#
+# handle_mdev()
+{
+    print "configuring mdev"
+
+    for _binary in mdev find; do
+        copy_binary "$_binary"
+    done
+
+    printf "%s\n" \
+        'SUBSYSTEM=block;.* 0:0 660 @device-helper' \
+    > "${tmpdir}/etc/mdev.conf"
+
+    [ "$monolith" = 1 ] || printf "%s\n" \
+        '$MODALIAS=.* 0:0 660 @modprobe "$MODALIAS"' \
+    >> "${tmpdir}/etc/mdev.conf"
+}

hooks/mdev/mdev.init

@@ -0,0 +1,19 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2034
+#
+# run_mdev()
+{
+    [ "$break" = devmgr ] && { print "break before run_mdev()"; sh; }
+    
+    mdev -s
+    mdev -df 2> /dev/null & mdev_pid="$!"
+
+    find /sys/devices -name uevent |
+
+    while read -r uevent; do
+        printf add > "$uevent"
+    done 2> /dev/null
+}

hooks/mdev/mdev.init.late

@@ -0,0 +1,10 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# stop_mdev()
+{
+    kill "$mdev_pid"
+}

hooks/mdevd/mdevd

@@ -0,0 +1,22 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2016
+#
+# handle_mdevd()
+{
+    print "configuring mdevd"
+
+    for _binary in mdevd mdevd-coldplug; do
+        copy_binary "$_binary"
+    done
+
+    printf "%s\n" \
+        'SUBSYSTEM=block;.* 0:0 660 @device-helper' \
+    > "${tmpdir}/etc/mdev.conf"
+
+    [ "$monolith" = 1 ] || printf "%s\n" \
+        '$MODALIAS=.* 0:0 660 @modprobe "$MODALIAS"' \
+    >> "${tmpdir}/etc/mdev.conf"
+}

hooks/mdevd/mdevd.init

@@ -0,0 +1,13 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2034
+#
+# run_mdevd()
+{
+    [ "$break" = devmgr ] && { print "break before run_mdevd()"; sh; }
+    
+    mdevd 2> /dev/null & mdevd_pid="$!"
+    mdevd-coldplug
+}

hooks/mdevd/mdevd.init.late

@@ -0,0 +1,10 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# stop_mdevd()
+{
+    kill "$mdevd_pid"
+}

hooks/proc/proc

@@ -0,0 +1,9 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# handle_proc()
+{
+    print "configuring /proc hotplugger"
+
+    copy_binary find
+}

hooks/proc/proc.init

@@ -0,0 +1,19 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# run_proc()
+{
+    [ "$break" = devmgr ] && { print "break before run_proc()"; sh; }
+    
+    command -v device-helper > /proc/sys/kernel/hotplug
+
+    # get ready for fork bomb. kek
+    find /sys/devices -name uevent |
+
+    while read -r uevent; do
+        printf add > "$uevent"
+    done 2> /dev/null
+}

hooks/proc/proc.init.late

@@ -0,0 +1,7 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# stop_proc()
+{
+    printf '\n' > /proc/sys/kernel/hotplug
+}

hooks/systemd-udevd/systemd-udevd

@@ -0,0 +1,24 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# handle_systemd_udevd()
+{
+    print "configuring systemd-udevd"
+
+    for _binary in /lib/systemd/systemd-udevd udevadm; do
+        copy_binary "$_binary"
+    done
+
+    mkdir -p "${tmpdir}/lib/udev/rules.d"
+
+    printf "%s\n" \
+        'SUBSYSTEMS=="block", ACTION=="add", RUN+="/bin/device-helper"' \
+    > "${tmpdir}/lib/udev/rules.d/device-helper.rules"
+
+    [ "$monolith" = 1 ] || printf "%s\n" \
+        'ENV{MODALIAS}=="?*", ACTION=="add", RUN+="/bin/modprobe %E{MODALIAS}"' \
+    >> "${tmpdir}/lib/udev/rules.d/device-helper.rules"
+}

hooks/systemd-udevd/systemd-udevd.init

@@ -0,0 +1,15 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154,2034
+#
+# run_systemd_udevd()
+{
+    [ "$break" = devmgr ] && { print "break before run_systemd_udevd()"; sh; }
+
+    /lib/systemd/systemd-udevd -N never & systemd_udevd_pid="$!"
+    udevadm trigger -c add -t subsystems
+    udevadm trigger -c add -t devices
+    udevadm settle
+}

hooks/systemd-udevd/systemd-udevd.init.late

@@ -0,0 +1,10 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# stop_systemd_udevd()
+{
+    kill "$systemd_udevd_pid"
+}