| 1 | #!/bin/sh |
| 2 | # SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only) |
| 3 | # SPDX-FileCopyrightText: 2015-2024 EfficiOS Inc. |
| 4 | |
| 5 | # First argument is the path to the kernel headers. |
| 6 | KPATH="$1" |
| 7 | |
| 8 | if [ ! -f "${KPATH}/include/generated/package.h" ]; then |
| 9 | echo 0 |
| 10 | exit 0 |
| 11 | fi |
| 12 | |
| 13 | # Debian snippet courtesy of Ben Hutchings |
| 14 | |
| 15 | # Assuming KPATH is the target kernel headers directory |
| 16 | DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' "${KPATH}/include/generated/package.h") |
| 17 | |
| 18 | # Ignore backports part |
| 19 | DEB_PACKAGE_VERSION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/~(bpo|deb).*//') |
| 20 | |
| 21 | # Get package revision |
| 22 | DEB_PACKAGE_REVISION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/.*-([^-]+)$/\1/') |
| 23 | # Get non-sec update number |
| 24 | DEB_PACKAGE_REVISION_BASE=$(echo "${DEB_PACKAGE_REVISION}" | sed -r 's/^([0-9]+).*/\1/') |
| 25 | # Get security update number, if present |
| 26 | DEB_PACKAGE_REVISION_SECURITY=$(echo "${DEB_PACKAGE_REVISION}" | sed -rn 's/.*\+(squeeze|deb[0-9]+)+u([0-9]+)$/\2/p') |
| 27 | test -n "${DEB_PACKAGE_REVISION_SECURITY}" || DEB_PACKAGE_REVISION_SECURITY=0 |
| 28 | # Combine all update numbers into one |
| 29 | DEB_API_VERSION=$((DEB_PACKAGE_REVISION_BASE * 100 + DEB_PACKAGE_REVISION_SECURITY)) |
| 30 | |
| 31 | echo ${DEB_API_VERSION} |