$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-Filter-IRCD.git /var/lib/mock/f45-build-25554-611/root/chroot_tmpdir/scmroot/perl-POE-Filter-IRCD
Cloning into '/var/lib/mock/f45-build-25554-611/root/chroot_tmpdir/scmroot/perl-POE-Filter-IRCD'...
$ git fetch origin 2b8604c0b7554134a8366b5d1e53ad68a5ae7d09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-Filter-IRCD
 * [new ref]         2b8604c0b7554134a8366b5d1e53ad68a5ae7d09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b8604c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild