Clean up self-hosted lifecycle harness runs

modules/fruix/packages/freebsd.scm

@@ -464,6 +464,7 @@ experiments."
      (file "/usr/sbin/syslogd" "usr/sbin/syslogd")
      (file "/usr/sbin/utx" "usr/sbin/utx")
      (file "/usr/bin/id" "usr/bin/id")
+     (file "/usr/bin/what" "usr/bin/what")
      (file "/sbin/kldload" "sbin/kldload")
      (file "/sbin/kldstat" "sbin/kldstat")
      (file "/sbin/devfs" "sbin/devfs")

tests/run-self-hosted-node-lifecycle-xcpng.sh

@@ -457,10 +457,13 @@ echo "self-hosted XCP-ng guest is ready"
 echo "  guest_ip=$guest_ip"
 echo "  vm_id=$vm_id"
 echo "  vdi_id=$vdi_id"
-echo "  current_os_file=$current_os_file"
-echo "  candidate_os_file=$candidate_os_file"
-echo "  metadata_file=$metadata_file"
-if [ "$boot_only" -eq 0 ]; then
-  echo "  lifecycle_out=$lifecycle_out"
+if [ "$cleanup" -eq 1 ]; then
+  echo "  workdir=cleaned (set KEEP_WORKDIR=1 or WORKDIR=... to retain $workdir)"
+else
+  echo "  current_os_file=$current_os_file"
+  echo "  candidate_os_file=$candidate_os_file"
+  echo "  metadata_file=$metadata_file"
+  if [ "$boot_only" -eq 0 ]; then
+    echo "  lifecycle_out=$lifecycle_out"
+  fi
 fi
-trap - EXIT

tests/run-self-hosted-node-lifecycle.sh

@@ -144,8 +144,14 @@ show_status_summary() {
 }
 
 tmpdir=$(mktemp -d /tmp/fruix-self-hosted-node-lifecycle.XXXXXX)
+cleanup_tmpdir=1
+if [ "${KEEP_WORKDIR:-0}" -eq 1 ]; then
+  cleanup_tmpdir=0
+fi
 cleanup() {
-  rm -rf "$tmpdir"
+  if [ "$cleanup_tmpdir" -eq 1 ]; then
+    rm -rf "$tmpdir"
+  fi
 }
 trap cleanup EXIT
 
@@ -260,5 +266,8 @@ fi
 
 echo
 echo "self-hosted node lifecycle validation completed"
-echo "artifacts: $tmpdir"
-trap - EXIT
+if [ "$cleanup_tmpdir" -eq 1 ]; then
+  echo "artifacts: cleaned (set KEEP_WORKDIR=1 to retain $tmpdir)"
+else
+  echo "artifacts: $tmpdir"
+fi