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

#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
# SPDX-FileCopyrightText: 2016-2018 EfficiOS Inc.

# 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)
61baff6e	3	# SPDX-FileCopyrightText: 2016-2018 EfficiOS Inc.
b4c8e4d3 MJ	4
b4c8e4d3 MJ	5	# First argument is the path to the kernel headers.
8a71de6c	6	KPATH="$1"
b4c8e4d3 MJ	7
	8	VERSIONFILE=""
	9
	10	if [ -f "${KPATH}/localversion-rt" ]; then
	11	VERSIONFILE="${KPATH}/localversion-rt"
	12
	13	elif [ -f "${KPATH}/source/localversion-rt" ]; then
	14	VERSIONFILE="${KPATH}/source/localversion-rt"
	15	else
	16	echo 0
	17	exit 0
	18	fi
	19
	20	RT_PATCH_VERSION=$(sed -rn 's/^-rt([0-9]+)$/\1/p' "${VERSIONFILE}")
	21
	22	if [ "x${RT_PATCH_VERSION}" = "x" ]; then
	23	echo 0
	24	exit 0
	25	fi
	26
8a71de6c	27	echo "${RT_PATCH_VERSION}"