Package workstation tools, reuse emulator sessions, and derive build versions

tools/version

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+"""Print the FDS version derived from release tags or a Git source export."""
+import argparse
+import subprocess
+from pathlib import Path
+from fds_version import ROOT, cargo, version
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument('--root', type=Path, default=ROOT)
+parser.add_argument('--cargo', action='store_true', help='emit Cargo build metadata and change tracking')
+args = parser.parse_args()
+try:
+    if args.cargo:
+        cargo(args.root.resolve())
+    else:
+        print(version(args.root))
+except (OSError, ValueError, subprocess.CalledProcessError) as error:
+    parser.exit(1, f'Cannot determine FDS version: {error}\n')