[lttng-modules.git] / scripts / rt-patch-version.sh

#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)

# 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}"
Commit	Line	Data
b4c8e4d3	1	#!/bin/sh
b7cdc182	2	# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
b4c8e4d3 MJ	3
b4c8e4d3 MJ	4	# First argument is the path to the kernel headers.
8a71de6c	5	KPATH="$1"
b4c8e4d3 MJ	6
	7	VERSIONFILE=""
	8
	9	if [ -f "${KPATH}/localversion-rt" ]; then
	10	VERSIONFILE="${KPATH}/localversion-rt"
	11
	12	elif [ -f "${KPATH}/source/localversion-rt" ]; then
	13	VERSIONFILE="${KPATH}/source/localversion-rt"
	14	else
	15	echo 0
	16	exit 0
	17	fi
	18
	19	RT_PATCH_VERSION=$(sed -rn 's/^-rt([0-9]+)$/\1/p' "${VERSIONFILE}")
	20
	21	if [ "x${RT_PATCH_VERSION}" = "x" ]; then
	22	echo 0
	23	exit 0
	24	fi
	25
8a71de6c	26	echo "${RT_PATCH_VERSION}"