[lttng-modules.git] / abi-debian-version.sh

#!/bin/sh

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