add ability to check clang-format

04-static-analysis/clang-format/cmake/scripts/clang-format-check-changed

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Required because cmake root isn't git root in this example
+CLANG_FORMAT_BIN=$1
+GIT_ROOT=`git rev-parse --show-toplevel`
+
+pushd ${GIT_ROOT} > /dev/null
+
+git status --porcelain \
+	| egrep '*\.cpp|*\.h|*\.cxx|*\.hxx|*\.hpp|*\.cc' \
+	| awk -F " " '{print $NF}' \
+	| xargs -r ${CLANG_FORMAT_BIN} -style=file -output-replacements-xml \
+	| grep "replacement offset" 2>&1 > /dev/null
+
+RET=$?
+popd > /dev/null
+
+exit ${RET}