Comment # 1 on bug 4641 from leigh scott

Why have you added scriptlets, I suggest you read the guidelines on them 

https://fedoraproject.org/wiki/Packaging:Scriptlets?rd=Packaging:ScriptletSnippets#desktop-database

remove them

%post
/usr/bin/update-mime-database %{_datadir}/mime &> /dev/null || :
/usr/bin/update-desktop-database &> /dev/null || :

%postun
if [ $1 -eq 0 ] ; then
  /usr/bin/update-mime-database %{_datadir}/mime &> /dev/null || :
fi
/usr/bin/update-desktop-database &> /dev/null || :

%posttrans
/usr/bin/update-mime-database %{?fedora:-n} %{_datadir}/mime &> /dev/null ||