Different mechanism for waiting for timesync

Dockerfile.in

@@ -11,14 +11,16 @@ RUN <<EOT
     rm -rf /var/lib/apt/lists/*
 EOT
 
+COPY --from=gha wait_for_timesync.sh /opt/wait_for_timesync.sh
 COPY --from=gha setup.sh /opt/setup.sh
 
 RUN <<EOT
     set -ex
     run_vm.sh -serial null -daemonize
     wait_ssh.sh
+    scp /opt/wait_for_timesync.sh root@localhost:/opt/bin
     scp /opt/setup.sh root@localhost:/opt/bin
-    ssh root@localhost systemctl start systemd-time-wait-sync
+    ssh root@localhost 'bash -l -c wait_for_timesync.sh'
     ssh root@localhost 'bash -l -c setup.sh'
     save_vm.sh
 EOT
@@ -29,7 +31,7 @@ RUN <<EOT
     set -ex
     run_vm.sh -serial null -daemonize
     wait_ssh.sh
-    ssh root@localhost systemctl start systemd-time-wait-sync
+    ssh root@localhost 'bash -l -c wait_for_timesync.sh'
     scp /opt/run.sh root@localhost:/opt/bin
     rm /opt/run.sh
     save_vm.sh

action.yml

@@ -41,6 +41,7 @@ runs:
       shell: bash
       run: |
         mkdir -p "$temp_dir/rira"
+        cp -al "$action/wait_for_timesync.sh" "$temp_dir/rira/wait_for_timesync.sh"
         cp -al "$action/entrypoint.sh" "$temp_dir/rira/entrypoint.sh"
         sed "
           /#insert=rm-docker\/Dockerfile/r $workspace/.rm-docker-repo/Dockerfile

wait_for_timesync.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Waiting for timesync"
+while [[ "$(timedatectl status | grep 'System clock synchronized' | awk '{print $4}')" != "yes" ]]; do sleep 1; done