| 1 | #!/bin/sh |
| 2 | # SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1) |
| 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} |