X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=abi-debian-version.sh;h=4f2c088685052212a53f707ffbcacb285bd8b4de;hb=3afa5d38d813aa922746a1d7e5c3ddd11fad6055;hp=310d6a802fbc228609d81f61daa62d4a702c4d85;hpb=2a3427bfe90dcfa8ad2951f166baa94b46f2e878;p=lttng-modules.git

diff --git a/abi-debian-version.sh b/abi-debian-version.sh
index 310d6a80..4f2c0886 100755
--- a/abi-debian-version.sh
+++ b/abi-debian-version.sh
@@ -1,9 +1,9 @@
 #!/bin/sh
 
 # First argument is the path to the kernel headers.
-KPATH=$1
+KPATH="$1"
 
-if [ ! -f ${KPATH}/include/generated/package.h ]; then
+if [ ! -f "${KPATH}/include/generated/package.h" ]; then
 	echo 0
 	exit 0
 fi
@@ -11,25 +11,27 @@ 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' ${KPATH}/include/generated/package.h)
+DEB_PACKAGE_VERSION=$(sed -rn 's/^#define LINUX_PACKAGE_ID " Debian (.*)"/\1/p' "${KPATH}/include/generated/package.h")
+
 # Ignore backports part
-DEB_PACKAGE_VERSION=$(echo ${DEB_PACKAGE_VERSION} | sed -r 's/~(bpo|deb).*//')
-# Get -ckt update number, if present
-KERNEL_CKT_UPDATE=$(echo ${DEB_PACKAGE_VERSION} | sed -rn 's/^[0-9]+\.[0-9]+\.[0-9]+-ckt([0-9]+).*/\1/p')
+DEB_PACKAGE_VERSION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/~(bpo|deb).*//')
 
-# Only care about the rest if it is a -ckt kernel, making sure we do not
-# clash with older Debian kernels (e.g. Debian 3.2.65-1+deb7u2).
-if [ -z "${KERNEL_CKT_UPDATE}" ]; then
-	echo 0
-	exit 0
-fi
+# ckt (Canonical Kernel Team) kernels were used for a while during the jessie
+# cycle, their versionning is a bit different. They track the upstream vanilla
+# stable updates but they don't update the minor version number and instead add
+# an additionnal -cktX. They were all 3.16.7-cktX and after a while the version
+# switched back to upstream style at 3.16.36.
+
+# Get -ckt update number, if present
+KERNEL_CKT_UPDATE=$(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/')
+DEB_PACKAGE_REVISION=$(echo "${DEB_PACKAGE_VERSION}" | sed -r 's/.*-([^-]+)$/\1/')
 # Get non-sec update number
-DEB_PACKAGE_REVISION_BASE=$(echo ${DEB_PACKAGE_REVISION} | sed -r 's/^([0-9]+).*/\1/')
+DEB_PACKAGE_REVISION_BASE=$(echo "${DEB_PACKAGE_REVISION}" | sed -r 's/^([0-9]+).*/\1/')
 # Get security update number, if present
-DEB_PACKAGE_REVISION_SECURITY=$(echo ${DEB_PACKAGE_REVISION} | sed -rn 's/.*\+(squeeze|deb[0-9])+u([0-9]+)$/\1/p')
+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))