toos: create and check for param metadata in docs

metadata_parameters.sh — generate and sync PX4 parameter reference documentation

Usage:
  Tools/ci/metadata_parameters.sh [--test-only] [--debug]

Options:
  --test-only   Run make target and comparison; exit 1 if diffs found, without copying file
  --debug       Show full make output and debug info for comparison

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

Tools/ci/metadata_parameters.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+#
+# metadata_parameters.sh — generate and sync PX4 parameter reference documentation
+#
+# Usage:
+#   Tools/ci/metadata_parameters.sh [--test-only] [--debug]
+#
+# Options:
+#   --test-only   Run make target and comparison; exit 1 if diffs found, without copying file
+#   --debug       Show full make output and debug info for comparison
+#
+set -euo pipefail
+
+# Parse flags
+test_only=false
+debug=false
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --test-only) test_only=true; shift ;;
+    --debug)     debug=true; shift ;;
+    *) echo "Usage: $0 [--test-only] [--debug]"; exit 2 ;;
+  esac
+done
+
+# Paths and make target
+make_target="parameters_metadata"
+src_file="build/px4_sitl_default/docs/parameters.md"
+dest_file="docs/en/advanced_config/parameter_reference.md"
+
+# Run make target
+if [ "$debug" = true ]; then
+  echo "🔧 Running 'make $make_target' (verbose)"
+  make $make_target
+else
+  echo "🔧 Running 'make $make_target'"
+  make $make_target > /dev/null 2>&1
+fi
+
+# Verify build output
+if [[ ! -f "$src_file" ]]; then
+  echo "❌ Generated file not found: $src_file"
+  exit 1
+fi
+
+echo "🔍 Comparing parameter docs"
+
+# Compare files
+if cmp -s "$src_file" "$dest_file"; then
+  echo "✅ Parameter reference is up to date."
+  exit 0
+else
+  if [ "$debug" = true ]; then
+    echo "DEBUG: cmp -s '$src_file' '$dest_file'; echo \$?"
+  fi
+  echo "⚠️ Parameter reference needs updating."
+  if [ "$test_only" = true ]; then
+    exit 1
+  fi
+  # Copy over updated file
+  echo "📂 Copying updated parameter_reference.md"
+  cp -v "$src_file" "$dest_file"
+  echo "🚨 Parameter docs updated; commit the change:"
+  echo "    git status -s $dest_file"
+  echo "    git add $dest_file"
+  echo "    git commit -m 'docs: update parameter reference metadata'"
+  exit 1
+fi