Update versions of tools in util/bot.
Update the easy ones here. Also include instructions on how to do this. The
.sha1 files will be updated separately with instructions.
Change-Id: I2a3aba43b8ffbdf930b8a2602dc1460077f6d0e7
Reviewed-on: https://boringssl-review.googlesource.com/7412
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/util/bot/UPDATING b/util/bot/UPDATING
new file mode 100644
index 0000000..4e5e443
--- /dev/null
+++ b/util/bot/UPDATING
@@ -0,0 +1,20 @@
+This directory consumes tools from other repositories for use on the
+bots. To update to newer revisions, follow these instructions:
+
+DEPS: Set the external/gyp.git revision to the revision used in Chromium, found at
+ https://chromium.googlesource.com/chromium/src/+/master/DEPS
+ (Search for 'gyp.git'.)
+
+go/bootstrap.py: Set TOOLSET_VERSION to the latest release of Go, found at
+ https://golang.org/dl/.
+
+update_clang.py: Set CLANG_REVISION and CLANG_SUB_REVISION to the values used in
+ Chromium, found at
+ https://chromium.googlesource.com/chromium/src/+/master/tools/clang/scripts/update.py
+
+vs_toolchain.py: Set the hash in _GetDesiredVsToolchainHashes to the toolchain
+ used in Chromium, found at
+ https://chromium.googlesource.com/chromium/src/+/master/build/vs_toolchain.py
+ This may require taking other updates to that file.
+
+TODO(davidben): Update the .sha1 files and record instructions here.
