Show the "platform tools" version in adb/fastboot --version.
Annoyingly folks parse the "adb --version" output so we have the
less-interesting protocol version first. But at least now we'll
have the "real" version somewhere...
Bug: N/A
Test: "adb --version"/"fastboot --version"
Change-Id: Ia85b561bd8d84c6fd6995923730d36f53b2f800b
diff --git a/platform_tools_tool_version.mk b/platform_tools_tool_version.mk
new file mode 100644
index 0000000..73229e6
--- /dev/null
+++ b/platform_tools_tool_version.mk
@@ -0,0 +1,22 @@
+# Copyright (C) 2017 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# We rewrite ${PLATFORM_SDK_VERSION} with 0 rather than $(PLATFORM_SDK_VERSION)
+# because on the actual platform tools release branches the file contains a
+# literal instead. Using 0 lets us easily distinguish non-canonical builds.
+platform_tools_version := $(shell sed \
+ 's/$${PLATFORM_SDK_VERSION}/0/ ; s/^Pkg.Revision=\(.*\)/\1/p ; d' \
+ $(ANDROID_BUILD_TOP)/development/sdk/plat_tools_source.prop_template \
+ )
+tool_version := $(platform_tools_version)-$(BUILD_NUMBER_FROM_FILE)