/usr/local leak in /etc/default/zfs

[Andreas Hasenack]

While updating my focal server this morning, I got a dpkg prompt about /etc/default/zfs. Inspecting the diff showed some paths changed from /etc to /usr/local/etc:

...
Setting up zfsutils-linux (0.8.3-1ubuntu2) ...
Installing new version of config file /etc/cron.d/zfsutils-linux ...

Configuration file '/etc/default/zfs'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ? Your options are:
    Y or I : install the package maintainer's version
    N or O : keep your currently-installed version
      D : show the differences between the versions
      Z : start a shell to examine the situation
 The default action is to keep your current version.
*** zfs (Y/I/N/O/D/Z) [default=N] ? d
 # Full path to the ZFS cache file?
 # See "cachefile" in zpool(8).
-# The default is "/etc/zfs/zpool.cache".
-#ZPOOL_CACHE="/etc/zfs/zpool.cache"
+# The default is "/usr/local/etc/zfs/zpool.cache".
+#ZPOOL_CACHE="/usr/local/etc/zfs/zpool.cache"
 #
 # Setting ZPOOL_CACHE to an empty string ('') AND setting ZPOOL_IMPORT_OPTS to
-# "-c /etc/zfs/zpool.cache" will _enforce_ the use of a cache file.
+# "-c /usr/local/etc/zfs/zpool.cache" will _enforce_ the use of a cache file.
 # This is needed in some cases (extreme amounts of VDEVs, multipath etc).
 # Generally, the use of a cache file is usually not recommended on Linux
 # because it sometimes is more trouble than it's worth (laptops with external
 # devices or when/if device nodes changes names).
-#ZPOOL_IMPORT_OPTS="-c /etc/zfs/zpool.cache"
+#ZPOOL_IMPORT_OPTS="-c /usr/local/etc/zfs/zpool.cache"
 #ZPOOL_CACHE=""