Add a dire warning about not reformatting the whole codebase yet.

.clang-format

+# DO NOT COMMIT OR MERGE CODE THAT IS RUN THROUGH THIS TOOL YET.
+#
+# WE ARE STILL DISCUSSING OUR DESIRED STYLE AND ITERATING ON IT.
+#     (12 Feb 2020)
+
 ---
 Language:        Cpp
 # Out of all supported styles, LLVM seems closest to our own.

scripts/maint/clang-format.sh

@@ -2,6 +2,13 @@
 # Copyright 2020, The Tor Project, Inc.
 # See LICENSE for licensing information.
 
+#
+# DO NOT COMMIT OR MERGE CODE THAT IS RUN THROUGH THIS TOOL YET.
+#
+# WE ARE STILL DISCUSSING OUR DESIRED STYLE AND ITERATING ON IT.
+#     (12 Feb 2020)
+#
+
 # This script runs "clang-format" and "codetool" in sequence over each of
 # our source files, and replaces the original file only if it has changed.
 #

scripts/maint/codetool.py

@@ -2,6 +2,14 @@
 # Copyright (c) 2020, The Tor Project, Inc.
 # See LICENSE for licensing information.
 
+#
+# DO NOT COMMIT OR MERGE CODE THAT IS RUN THROUGH THIS TOOL YET.
+#
+# WE ARE STILL DISCUSSING OUR DESIRED STYLE AND ITERATING ON IT,
+# ALONG WITH THE TOOLS THAT ACHIEVE IT.
+#     (12 Feb 2020)
+#
+
 """
    This program uses a set of plugable filters to inspect and transform
    our C code.