PREUN

/bin/sh

[ $1 = 0 ] && update-alternatives --remove smbclient /usr/bin/smbclient3 ||:

POSTIN

/bin/sh

update-alternatives --install /usr/bin/smbclient smbclient \
/usr/bin/smbclient3 10 \
$(for i in {/sbin/{mount.smb,mount.smbfs},/usr/bin/{findsmb,nmblookup,smbclient,smbprint,smbspool,smbtar,smbget,eventlogadm}};do
j=`basename $i`
[ "$j" = "smbclient" ] || \
echo -n " --slave ${i} ${j} ${i}3";done) \
$(for i in /usr/share/man/{man1/findsmb.1,man1/nmblookup.1,man1/smbclient.1,man1/smbget.1,man1/smbtar.1,man5/smbgetrc.5,man8/smbspool.8};do
echo -n " --slave ${i}.xz `basename $i` ${i%.?}3.${i##*.}.xz";done) \
--slave /usr/lib/cups/backend/smb cups_smb /usr/lib/cups/backend/smb3 || \
update-alternatives --auto smbclient

Triggers

samba-client

/bin/sh

[ ! -e /usr/bin/smbclient ] && update-alternatives --auto smbclient || :

samba2-client

/bin/sh

[ ! -e /usr/bin/smbclient ] && update-alternatives --auto smbclient || :