abi-debian-version.sh

   1 #!/bin/sh
   2
   3 # First argument is the path to the kernel headers.
   4 KPATH=$1
   5
   6 if [ ! -f ${KPATH}/include/generated/package.h ]; then
   7         echo 0
   8         exit 0
   9 fi
  10
  11 # Debian snippet courtesy of Ben Hutchings
  12
  13 # Assuming KPATH is the target kernel headers directory
  14 DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' ${KPATH}/include/generated/package.h)
  15 # Ignore backports part
  16 DEB_PACKAGE_VERSION=$(echo ${DEB_PACKAGE_VERSION} | sed -r 's/~(bpo|deb).*//')
  17 # Get -ckt update number, if present
  18 KERNEL_CKT_UPDATE=$(echo ${DEB_PACKAGE_VERSION} | sed -rn 's/^[0-9]+\.[0-9]+\.[0-9]+-ckt([0-9]+).*/\1/p')
  19
  20 # Only care about the rest if it is a -ckt kernel, making sure we do not
  21 # clash with older Debian kernels (e.g. Debian 3.2.65-1+deb7u2).
  22 if [ -z "${KERNEL_CKT_UPDATE}" ]; then
  23         echo 0
  24         exit 0
  25 fi
  26
  27 # Get package revision
  28 DEB_PACKAGE_REVISION=$(echo ${DEB_PACKAGE_VERSION} | sed -r 's/.*-([^-]+)$/\1/')
  29 # Get non-sec update number
  30 DEB_PACKAGE_REVISION_BASE=$(echo ${DEB_PACKAGE_REVISION} | sed -r 's/^([0-9]+).*/\1/')
  31 # Get security update number, if present
  32 DEB_PACKAGE_REVISION_SECURITY=$(echo ${DEB_PACKAGE_REVISION} | sed -rn 's/.*\+(squeeze|deb[0-9])+u([0-9]+)$/\1/p')
  33 test -n "${DEB_PACKAGE_REVISION_SECURITY}" || DEB_PACKAGE_REVISION_SECURITY=0
  34 # Combine all update numbers into one
  35 DEB_API_VERSION=$((KERNEL_CKT_UPDATE * 10000 + DEB_PACKAGE_REVISION_BASE * 100 + DEB_PACKAGE_REVISION_SECURITY))
  36
  37 echo ${DEB_API_VERSION}