Add a one-command refresh against upstream MEOS

.gitignore

@@ -402,4 +402,6 @@ ASALocalRun/
 .mfractor/
 
 # Local History for Visual Studio
-.localhistory/
+.localhistory/
+# tools/refresh-from-master.sh scratch (sibling clones + libmeos prefix).
+.meos-chain/

tools/refresh-from-master.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+# refresh-from-master.sh — refresh this binding's generated surface against the latest MEOS API,
+# end to end, with one command:
+#
+#   tools/refresh-from-master.sh
+#
+# It runs the shared MobilityDB/MEOS-API refresh-binding.sh over this repo — deriving the catalog
+# and libmeos from the latest MobilityDB master and regenerating this binding's surface. The
+# per-binding last leg is in tools/refresh.conf.
+#
+# All of refresh-binding.sh's options pass through, e.g.:
+#   tools/refresh-from-master.sh --mdb ~/src/MobilityDB   # refresh against a local MobilityDB branch
+#   tools/refresh-from-master.sh --skip-tests             # regenerate + build, skip the tests
+#
+# MEOSAPI=<path> uses an existing MEOS-API checkout (any branch); otherwise MEOS-API master is
+# cloned into the work dir. WORK_DIR overrides the scratch location (default <repo>/.meos-chain).
+set -euo pipefail
+
+HERE="$(cd "$(dirname "$0")/.." && pwd)"
+WORK="${WORK_DIR:-$HERE/.meos-chain}"
+MEOSAPI="${MEOSAPI:-}"
+
+if [ -z "$MEOSAPI" ]; then
+  MEOSAPI="$WORK/MEOS-API"
+  mkdir -p "$WORK"
+  if [ -d "$MEOSAPI/.git" ]; then
+    git -C "$MEOSAPI" fetch --quiet https://github.com/MobilityDB/MEOS-API master
+    git -C "$MEOSAPI" checkout --quiet FETCH_HEAD
+  else
+    git clone --quiet https://github.com/MobilityDB/MEOS-API "$MEOSAPI"
+  fi
+fi
+
+exec "$MEOSAPI/tools/refresh-binding.sh" \
+  --binding "$HERE" --meos-api "$MEOSAPI" --work-dir "$WORK" "$@"

tools/refresh.conf

@@ -0,0 +1,13 @@
+# refresh.conf — MEOS.NET's last leg for tools/refresh-binding.sh (in MEOS-API).
+# The chain (MobilityDB -> catalog + libmeos) is shared; only these differ per binding.
+# tools/codegen.py takes the catalog path as an argument, so CATALOG_DEST is empty and the
+# catalog is read from $CATALOG; it regenerates the committed MEOS.NET/Internal/*.cs.
+# BUILD_CMD runs from <repo>/<BUILD_DIR> with $PREFIX (libmeos prefix) and $CATALOG exported;
+# $SKIP_TESTS is set when --skip-tests is passed.
+ENGINE=csharp
+BUILD_DIR=.
+BUILD_LIBMEOS=true
+CATALOG_DEST=
+BUILD_CMD='python3 tools/codegen.py "$CATALOG"
+  dotnet build MEOS.NET.sln -c Release
+  [ -n "${SKIP_TESTS:-}" ] || LD_LIBRARY_PATH="$PREFIX/lib" dotnet test MEOS.NET.sln -c Release --no-build'