Make sure systemd service gets installed and runs when changes in /run/systemd/ask-password happen

src/systemd/dracut/module-setup.sh.in

@@ -22,6 +22,7 @@ install() {
     if [ "${hostonly_cmdline}" = "yes" ] && have_tang_bindings; then
         if dracut_module_included "systemd"; then
             inst_multiple $systemdsystemunitdir/ihct-luks-askpass-patch.service
+            systemctl -q --root "$initdir" add-wants cryptsetup.target ihct-luks-askpass-patch.path
         fi
     fi
 

src/systemd/ihct-luks-askpass-patch.in

@@ -12,6 +12,7 @@ while true; do
         # Touch network dev files so the boot continues
         
         # Read ifaces if available
+        IFACES=
         [ -e /tmp/net.ifaces ] && read IFACES < /tmp/net.ifaces
 
         if [ -n "${IFACES}" ]; then

src/systemd/ihct-luks-askpass-patch.path

+[Unit]
+Description=Patch for neednet problematic and no network cable attached
+Documentation=man:clevis-luks-unlockers(7)
+DefaultDependencies=no
+Before=cryptsetup-pre.target
+Wants=cryptsetup-pre.target
+
+[Path]
+DirectoryNotEmpty=/run/systemd/ask-password
+MakeDirectory=yes
+
+[Install]
+WantedBy=cryptsetup.target

src/systemd/meson.build

@@ -26,6 +26,8 @@ if systemd.found() and sd_reply_pass.found()
     install_dir: libexecdir,
     configuration: data
   )
+
+  install_data('ihct-luks-askpass-patch.path', install_dir: unitdir)
 else
   warning('Will not install systemd support due to missing dependencies!')
 endif
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