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From 2e65ddb5449a18602eb81776e87e048adfb5f114 Mon Sep 17 00:00:00 2001
From: Andreas Beckmann <anbe@debian.org>
Date: Wed, 22 Mar 2023 18:16:03 +0100
Subject: [PATCH] dkms_autoinstaller: skip autoinstall if headers are missing
align the behavior with dkms_common.postinst which also skips the build
step if headers are not available
Before this change the following installation order succeeds (while
linux-headers-... is *not* installed) (Debian syntax):
apt install linux-image-... && apt install ...-dkms
while the opposite order causes a failure:
apt install ...-dkms && apt install linux-image-...
After this change both ways succeed.
---
dkms_autoinstaller | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/dkms_autoinstaller b/dkms_autoinstaller
index 8c9450c..1b54c51 100755
--- a/dkms_autoinstaller
+++ b/dkms_autoinstaller
@@ -38,6 +38,27 @@ test -f $exec || exit 0
[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
+uname_s=$(uname -s)
+
+_get_kernel_dir() {
+ KVER=$1
+ case ${uname_s} in
+ Linux) DIR="/lib/modules/$KVER/build" ;;
+ GNU/kFreeBSD) DIR="/usr/src/kfreebsd-headers-$KVER/sys" ;;
+ esac
+ echo $DIR
+}
+
+_check_kernel_dir() {
+ DIR=$(_get_kernel_dir $1)
+ case ${uname_s} in
+ Linux) test -e $DIR/include ;;
+ GNU/kFreeBSD) test -e $DIR/kern && test -e $DIR/conf/kmod.mk ;;
+ *) return 1 ;;
+ esac
+ return $?
+}
+
case "$1" in
start)
if [ -n "$2" ]; then
@@ -47,6 +68,8 @@ case "$1" in
fi
if [ -f /etc/dkms/no-autoinstall ]; then
log_action_msg "$prog: autoinstall for dkms modules has been disabled"
+ elif ! _check_kernel_dir $kernel; then
+ log_action_msg "$prog: autoinstall for kernel $kernel was skipped since the kernel headers for this kernel do not seem to be installed"
else
log_daemon_msg "$prog: running auto installation service for kernel $kernel"
dkms autoinstall --kernelver $kernel
--
2.20.1
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