X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=scripts%2Frt-patch-version.sh;fp=scripts%2Frt-patch-version.sh;h=270496570b4c672ec3af6404a6284e056f0f294d;hb=6c27a5ccba05b088fbfcf8cd982c25649838298d;hp=0000000000000000000000000000000000000000;hpb=1c124020c743254923d8e76ab5dcd1f69709982e;p=lttng-modules.git

diff --git a/scripts/rt-patch-version.sh b/scripts/rt-patch-version.sh
new file mode 100755
index 00000000..27049657
--- /dev/null
+++ b/scripts/rt-patch-version.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+# SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
+
+# First argument is the path to the kernel headers.
+KPATH="$1"
+
+VERSIONFILE=""
+
+if [ -f "${KPATH}/localversion-rt" ]; then
+	VERSIONFILE="${KPATH}/localversion-rt"
+
+elif [ -f "${KPATH}/source/localversion-rt" ]; then
+	VERSIONFILE="${KPATH}/source/localversion-rt"
+else
+	echo 0
+	exit 0
+fi
+
+RT_PATCH_VERSION=$(sed -rn 's/^-rt([0-9]+)$/\1/p' "${VERSIONFILE}")
+
+if [ "x${RT_PATCH_VERSION}" = "x" ]; then
+	echo 0
+	exit 0
+fi
+
+echo "${RT_PATCH_VERSION}"