Rig: move the tree after phase-1 was signed off

scripts/orchestra_e2e_healthcheck.sh

@@ -10,6 +10,14 @@ selftest_present test_healthcheck_present readme_present
 no_crlf_line_endings no_tabs_in_scripts
 shebang_is_bash usage_text_mentions_every_flag"
 
+# check_exists <name>: true when <name> is one of the CHECKS names.
+check_exists() {
+  case " $(printf '%s ' $CHECKS) " in
+    *" $1 "*) return 0 ;;
+  esac
+  return 1
+}
+
 # name=ok / name=fail pairs, in run order.
 RESULTS=
 FAILED=0
@@ -103,8 +111,16 @@ main() {
   local timing=
   local strict=
   local unknown=
+  local only=
+  local expect_only=
   for arg in "$@"; do
-    if [ "$arg" = --help ]; then
+    if [ -n "$expect_only" ]; then
+      only=$arg
+      expect_only=
+      continue
+    elif [ "$arg" = --only ]; then
+      expect_only=1
+    elif [ "$arg" = --help ]; then
       usage text
       exit 0
     elif [ "$arg" = --list-checks ]; then
@@ -128,6 +144,16 @@ main() {
     fi
   done
 
+  if [ -n "$expect_only" ]; then
+    printf -- '--only requires a check name\n' >&2
+    exit 2
+  fi
+
+  if [ -n "$only" ] && ! check_exists "$only"; then
+    printf 'unknown check: %s\n' "$only" >&2
+    exit 2
+  fi
+
   if [ -n "$strict" ] && [ -n "$unknown" ]; then
     printf 'unknown flag: %s\n' "$unknown" >&2
     exit 2
@@ -180,3 +206,5 @@ main() {
 }
 
 main "$@"
+
+# Rig: an operator edit made after phase-1 was signed off.