zr: Don't delete other packages when adding new package
This just happened:
[…]
>>> Adding adsy-devel-2020.04.23-1-any.pkg.tar.xz
>>> Gathering package metadata for /home/ayekat/devel/PKGBUILDs/adsy/devel/adsy-devel-2020.04.23-1-any.pkg.tar.xz
>>> Checking for existing files
>>> Removing old versions of the package
>>> Deleting /run/user/1000/zr/mount/adsy-devel-2020.04.16-1-any.pkg.tar.xz
>>> Deleting /run/user/1000/zr/mount/adsy-devel-adfinis-dirvish-2020.03.16-1-any.pkg.tar.xz
>>> Deleting /run/user/1000/zr/mount/adsy-devel-adfinis-dirvish-2020.04.16-1-any.pkg.tar.xz
>>> Deleting /run/user/1000/zr/mount/adsy-devel-mmtsa-2020.01.06-1-any.pkg.tar.xz
>>> Deleting /run/user/1000/zr/mount/adsy-devel-syslint-2020.04.19-1-any.pkg.tar.xz
>>> Deleting /run/user/1000/zr/mount/adsy-devel-2020.04.16-1-any.pkg.tar.xz.sig
>>> Deleting /run/user/1000/zr/mount/adsy-devel-adfinis-dirvish-2020.03.16-1-any.pkg.tar.xz.sig
>>> Deleting /run/user/1000/zr/mount/adsy-devel-adfinis-dirvish-2020.04.16-1-any.pkg.tar.xz.sig
>>> Deleting /run/user/1000/zr/mount/adsy-devel-mmtsa-2020.01.06-1-any.pkg.tar.xz.sig
>>> Deleting /run/user/1000/zr/mount/adsy-devel-syslint-2020.04.19-1-any.pkg.tar.xz.sig
[…]
This should not happen. The match doesn't appear to properly limit the selection.