+#!/bin/sh
+
+# First argument is the path to the kernel headers.
+KPATH="$1"
+
+if [ ! -f "${KPATH}/include/generated/utsrelease.h" ]; then
+ echo 0
+ exit 0
+fi
+
+# Assuming KPATH is the target kernel headers directory
+UTS_RELEASE=$(sed -rn 's/^#define UTS_RELEASE "(.*)"/\1/p' "${KPATH}/include/generated/utsrelease.h")
+FEDORA_VERSION=$(echo "${UTS_RELEASE}" | sed -n 's/.*\.fc\([0-9]*\)\..*/\1/p')
+
+if [ "x${FEDORA_VERSION}" = "x" ]; then
+ echo 0
+ exit 0
+fi
+
+FEDORA_REVISION_VERSION=$(echo "${UTS_RELEASE}" | sed -n 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)\-\([0-9]*\).*/\4/p')
+echo "${FEDORA_REVISION_VERSION}"