[lttng-modules.git] / scripts / abi-debian-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"

if [ ! -f "${KPATH}/include/generated/package.h" ]; then
	echo 0
	exit 0
fi

# Debian snippet courtesy of Ben Hutchings

# Assuming KPATH is the target kernel headers directory
DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' "${KPATH}/include/generated/package.h")

# Ignore backports part
DEB_PACKAGE_VERSION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/~(bpo|deb).*//')

# ckt (Canonical Kernel Team) kernels were used for a while during the jessie
# cycle, their versionning is a bit different. They track the upstream vanilla
# stable updates but they don't update the minor version number and instead add
# an additionnal -cktX. They were all 3.16.7-cktX and after a while the version
# switched back to upstream style at 3.16.36.

# Get -ckt update number, if present
KERNEL_CKT_UPDATE=$(echo "${DEB_PACKAGE_VERSION}" | sed -rn 's/^[0-9]+\.[0-9]+\.[0-9]+-ckt([0-9]+).*/\1/p')
test -n "${KERNEL_CKT_UPDATE}" || KERNEL_CKT_UPDATE=0

# Get package revision
DEB_PACKAGE_REVISION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/.*-([^-]+)$/\1/')
# Get non-sec update number
DEB_PACKAGE_REVISION_BASE=$(echo "${DEB_PACKAGE_REVISION}" | sed -r 's/^([0-9]+).*/\1/')
# Get security update number, if present
DEB_PACKAGE_REVISION_SECURITY=$(echo "${DEB_PACKAGE_REVISION}" | sed -rn 's/.*\+(squeeze|deb[0-9]+)+u([0-9]+)$/\2/p')
test -n "${DEB_PACKAGE_REVISION_SECURITY}" || DEB_PACKAGE_REVISION_SECURITY=0
# Combine all update numbers into one
DEB_API_VERSION=$((KERNEL_CKT_UPDATE * 10000 + DEB_PACKAGE_REVISION_BASE * 100 + DEB_PACKAGE_REVISION_SECURITY))

echo ${DEB_API_VERSION}
Commit	Line	Data
72e6c528	1	#!/bin/sh
b7cdc182	2	# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
72e6c528 MD	3
72e6c528 MD	4	# First argument is the path to the kernel headers.
8a71de6c	5	KPATH="$1"
72e6c528	6
8a71de6c	7	if [ ! -f "${KPATH}/include/generated/package.h" ]; then
72e6c528 MD	8	echo 0
	9	exit 0
	10	fi
	11
	12	# Debian snippet courtesy of Ben Hutchings
	13
	14	# Assuming KPATH is the target kernel headers directory
8a71de6c	15	DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' "${KPATH}/include/generated/package.h")
be5d6764	16
72e6c528	17	# Ignore backports part
8a71de6c	18	DEB_PACKAGE_VERSION=$(echo "${DEB_PACKAGE_VERSION}" \| sed -r 's/~(bpo\|deb).*//')
be5d6764 MJ	19
	20	# ckt (Canonical Kernel Team) kernels were used for a while during the jessie
	21	# cycle, their versionning is a bit different. They track the upstream vanilla
	22	# stable updates but they don't update the minor version number and instead add
	23	# an additionnal -cktX. They were all 3.16.7-cktX and after a while the version
	24	# switched back to upstream style at 3.16.36.
	25
72e6c528	26	# Get -ckt update number, if present
8a71de6c	27	KERNEL_CKT_UPDATE=$(echo "${DEB_PACKAGE_VERSION}" \| sed -rn 's/^[0-9]+\.[0-9]+\.[0-9]+-ckt([0-9]+).*/\1/p')
be5d6764	28	test -n "${KERNEL_CKT_UPDATE}" \|\| KERNEL_CKT_UPDATE=0
2a3427bf	29
72e6c528	30	# Get package revision
8a71de6c	31	DEB_PACKAGE_REVISION=$(echo "${DEB_PACKAGE_VERSION}" \| sed -r 's/.*-([^-]+)$/\1/')
72e6c528	32	# Get non-sec update number
8a71de6c	33	DEB_PACKAGE_REVISION_BASE=$(echo "${DEB_PACKAGE_REVISION}" \| sed -r 's/^([0-9]+).*/\1/')
72e6c528	34	# Get security update number, if present
8a71de6c	35	DEB_PACKAGE_REVISION_SECURITY=$(echo "${DEB_PACKAGE_REVISION}" \| sed -rn 's/.*\+(squeeze\|deb[0-9]+)+u([0-9]+)$/\2/p')
72e6c528 MD	36	test -n "${DEB_PACKAGE_REVISION_SECURITY}" \|\| DEB_PACKAGE_REVISION_SECURITY=0
	37	# Combine all update numbers into one
	38	DEB_API_VERSION=$((KERNEL_CKT_UPDATE * 10000 + DEB_PACKAGE_REVISION_BASE * 100 + DEB_PACKAGE_REVISION_SECURITY))
	39
	40	echo ${DEB_API_VERSION}