buildtools: add ABI version update script

In order to facilitate mass updating of version files, add a shell
script that recurses into lib/ and drivers/ directories and calls
the ABI version update script.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

MAINTAINERS

@@ -147,6 +147,7 @@ F: devtools/validate-abi.sh
 F: devtools/check-symbol-change.sh
 F: buildtools/check-experimental-syms.sh
 F: buildtools/map-list-symbol.sh
+F: buildtools/update-abi.sh
 F: buildtools/update_version_map_abi.py
 
 Driver information

buildtools/update-abi.sh

@@ -0,0 +1,46 @@
+#!/bin/sh -e
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2019 Intel Corporation
+
+abi_version=$1
+abi_version_file="./ABI_VERSION"
+update_path="lib drivers"
+
+# check ABI version format string
+check_abi_version() {
+      echo $1 | grep -q -e "^[[:digit:]]\{1,2\}\.[[:digit:]]\{1,2\}$"
+}
+
+if [ -z "$1" ]; then
+      # output to stderr
+      >&2 echo "Please provide ABI version"
+      exit 1
+fi
+
+# check version string format
+if ! check_abi_version $abi_version ; then
+      # output to stderr
+      >&2 echo "ABI version must be formatted as MAJOR.MINOR version"
+      exit 1
+fi
+
+if [ -n "$2" ]; then
+      abi_version_file=$2
+fi
+
+if [ -n "$3" ]; then
+      # drop $1 and $2
+      shift 2
+      # assign all other arguments as update paths
+      update_path=$@
+fi
+
+echo "New ABI version:" $abi_version
+echo "ABI_VERSION path:" $abi_version_file
+echo "Path to update:" $update_path
+
+echo $abi_version > $abi_version_file
+
+find $update_path -name  \*version.map -exec \
+      ./buildtools/update_version_map_abi.py {} \
+      $abi_version \; -print