$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-Filter-Transparent-SMTP.git /var/lib/mock/f45-build-25560-611/root/chroot_tmpdir/scmroot/perl-POE-Filter-Transparent-SMTP
Cloning into '/var/lib/mock/f45-build-25560-611/root/chroot_tmpdir/scmroot/perl-POE-Filter-Transparent-SMTP'...
$ git fetch origin 3d54f482f754f8fc59b3cd4419a78d944fba2c74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-Filter-Transparent-SMTP
 * [new ref]         3d54f482f754f8fc59b3cd4419a78d944fba2c74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d54f48 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild