[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
	1	#!/bin/sh
	2	# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
	3
	4	# First argument is the path to the kernel headers.
	5	KPATH="$1"
	6
	7	if [ ! -f "${KPATH}/include/generated/package.h" ]; then
	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
	15	DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' "${KPATH}/include/generated/package.h")
	16
	17	# Ignore backports part
	18	DEB_PACKAGE_VERSION=$(echo "${DEB_PACKAGE_VERSION}" \| sed -r 's/~(bpo\|deb).*//')
	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
	26	# Get -ckt update number, if present
	27	KERNEL_CKT_UPDATE=$(echo "${DEB_PACKAGE_VERSION}" \| sed -rn 's/^[0-9]+\.[0-9]+\.[0-9]+-ckt([0-9]+).*/\1/p')
	28	test -n "${KERNEL_CKT_UPDATE}" \|\| KERNEL_CKT_UPDATE=0
	29
	30	# Get package revision
	31	DEB_PACKAGE_REVISION=$(echo "${DEB_PACKAGE_VERSION}" \| sed -r 's/.*-([^-]+)$/\1/')
	32	# Get non-sec update number
	33	DEB_PACKAGE_REVISION_BASE=$(echo "${DEB_PACKAGE_REVISION}" \| sed -r 's/^([0-9]+).*/\1/')
	34	# Get security update number, if present
	35	DEB_PACKAGE_REVISION_SECURITY=$(echo "${DEB_PACKAGE_REVISION}" \| sed -rn 's/.*\+(squeeze\|deb[0-9]+)+u([0-9]+)$/\2/p')
	36	test -n "${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}