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-rw-r--r--rpm/generic/zfs-dkms.spec.in18
1 files changed, 18 insertions, 0 deletions
diff --git a/rpm/generic/zfs-dkms.spec.in b/rpm/generic/zfs-dkms.spec.in
index 7b6612b89..6f2ae2c79 100644
--- a/rpm/generic/zfs-dkms.spec.in
+++ b/rpm/generic/zfs-dkms.spec.in
@@ -72,6 +72,24 @@ echo -e "support or upgrade DKMS to a more current version."
exit 1
%preun
+# Are we doing an upgrade?
+if [ $1 -ne 0 ] ; then
+ # Yes we are. Are we upgrading to a new ZFS version?
+ NEWEST_VER=$(dkms status zfs | sed 's/,//g' | sort -r -V | awk '/installed/{print $2; exit}')
+ if [ "$NEWEST_VER" != "%{version}" ] ; then
+ # Yes, it's a new ZFS version. We'll uninstall the old module
+ # later on in this script.
+ true
+ else
+ # No, it's probably an upgrade of the same ZFS version
+ # to a new distro (zfs-dkms-0.7.12.fc28->zfs-dkms-0.7.12.fc29).
+ # Don't remove our modules, since the rebuild for the new
+ # distro will automatically delete the old modules.
+ exit 0
+ fi
+fi
+
+# If we're here then we're doing an uninstall (not upgrade).
CONFIG_H="/var/lib/dkms/%{module}/%{version}/*/*/%{module}_config.h"
SPEC_META_ALIAS="@PACKAGE@-@VERSION@-@RELEASE@"
DKMS_META_ALIAS=`cat $CONFIG_H 2>/dev/null |