cause the grok-block hooks to run

2 files changed, 45 insertions, 0 deletions

diff --git a/initramfs-tools/hooks/samizdat b/initramfs-tools/hooks/samizdat
new file mode 100755
index 0000000..d9e0974
--- /dev/null
+++ b/initramfs-tools/hooks/samizdat
@@ -0,0 +1,17 @@
+#!/bin/sh
+[ "$1" = prereqs ] && { echo; exit; }
+
+. /usr/share/initramfs-tools/hook-functions
+
+for f in ./old-school/*; do
+    copy_exec "$f" /bin
+done
+
+path_execs='mountpoint'
+for c in $path_execs; do
+    copy_exec "$(which $c)" /bin
+done
+
+copy_exec vol_id.txt /lib/samizdat/vol_id.txt
+
+exit 0
diff --git a/initramfs-tools/scripts/samizdat b/initramfs-tools/scripts/samizdat
index 81a38d5..3f2ee43 100644
--- a/initramfs-tools/scripts/samizdat
+++ b/initramfs-tools/scripts/samizdat
@@ -10,6 +10,34 @@ mountroot()
   mount -o move /btrfs /root
   mkdir /root/cdrom
   mount -o move /cdrom /root/cdrom
+
   sed -i -e 's/^root:x:/root::/' /root/etc/passwd
+
+  samizdat_install_udev_rules
+
+  openvt -c 13 sh
+  sleep 100
   set +x
 }
+
+samizdat_install_udev_rules()
+{
+  mkdir -p /etc/udev/rules.d
+  echo 'ACTION=="add", SUBSYSTEM=="block", RUN+="/bin/grok-block $env{DEVNAME}"' \
+    > /etc/udev/rules.d/z00_blockdev_mountroot.rules
+
+  # 'udevadm trigger --action=add' does not work here; need to restard udevd
+  # first. not sure why
+  samizdat_restart_udev
+
+  udevadm trigger -s block --action add
+}
+
+samizdat_restart_udev()
+{
+  mkdir -p /var/log
+  ps aux|grep systemd-udevd
+  killall systemd-udevd
+  /lib/systemd/systemd-udevd --resolve-names=never --debug >/var/log/udevd-systemd.log 2>&1 &
+  udevadm hwdb --update  # rule is not executed by 'udevadm trigger' otherwise.  not sure why
+}
\ No newline at end of file