Index: generic/nsfDebug.c
===================================================================
diff -u -r9238ec9d4886db0f3c2c903cb19042aaca35b31f -r0ecc82c8627c4cc7e5f008c2032695cee4918f0d
--- generic/nsfDebug.c	(.../nsfDebug.c)	(revision 9238ec9d4886db0f3c2c903cb19042aaca35b31f)
+++ generic/nsfDebug.c	(.../nsfDebug.c)	(revision 0ecc82c8627c4cc7e5f008c2032695cee4918f0d)
@@ -66,6 +66,7 @@
   nonnull_assert(interp != NULL);
 
   Tcl_SetVar(interp, "::nsf::version", NSF_VERSION, TCL_GLOBAL_ONLY);
+  Tcl_SetVar(interp, "::nsf::commit", NSF_COMMIT, TCL_GLOBAL_ONLY);
   Tcl_SetVar(interp, "::nsf::patchLevel", NSF_PATCHLEVEL, TCL_GLOBAL_ONLY);
 
   Tcl_SetVar(interp, "::nsf::config(development)",