Pass '--file-locks' to OCI runtime at restoring

`podman container restore --file-locks` does not restore file locks
because this option is not passed to OCI runtime. This patch fixes this
issue.

Signed-off-by: Hironori Shiina <shiina.hironori@jp.fujitsu.com>

pkg/domain/infra/abi/containers.go

@@ -616,6 +616,7 @@ func (ic *ContainerEngine) ContainerRestore(ctx context.Context, namesOrIds []st
 		ImportPrevious:  options.ImportPrevious,
 		Pod:             options.Pod,
 		PrintStats:      options.PrintStats,
+		FileLocks:       options.FileLocks,
 	}
 
 	filterFuncs := []libpod.ContainerFilter{

test/system/520-checkpoint.bats

@@ -170,4 +170,34 @@ function teardown() {
 
 # FIXME: test --leave-running
 
+@test "podman checkpoint --file-locks" {
+    action='flock test.lock sh -c "while [ -e /wait ];do sleep 0.5;done;for i in 1 2 3;do echo \$i;sleep 0.5;done"'
+    run_podman run -d $IMAGE sh -c "touch /wait; touch test.lock; echo READY; $action & $action & wait"
+    local cid="$output"
+
+    # Wait for container to start emitting output
+    wait_for_ready $cid
+
+    # Checkpoint, and confirm via inspect
+    run_podman container checkpoint --file-locks $cid
+    is "$output" "$cid" "podman container checkpoint"
+
+    run_podman container inspect \
+               --format '{{.State.Status}}:{{.State.Running}}:{{.State.Paused}}:{{.State.Checkpointed}}' $cid
+    is "$output" "exited:false:false:true" "State. Status:Running:Pause:Checkpointed"
+
+    # Restart immediately and confirm state
+    run_podman container restore --file-locks $cid
+    is "$output" "$cid" "podman container restore"
+
+    # Signal the container to continue; this is where the 1-2-3s will come from
+    run_podman exec $cid rm /wait
+
+    # Wait for the container to stop
+    run_podman wait $cid
+
+    run_podman logs $cid
+    trim=$(sed -z -e 's/[\r\n]\+//g' <<<"$output")
+    is "$trim" "READY123123" "File lock restored"
+}
 # vim: filetype=sh