$ git clone -n https://src.fedoraproject.org/rpms/perl-Object-Pluggable.git /var/lib/mock/f45-build-25440-611/root/chroot_tmpdir/scmroot/perl-Object-Pluggable
Cloning into '/var/lib/mock/f45-build-25440-611/root/chroot_tmpdir/scmroot/perl-Object-Pluggable'...
$ git fetch origin 6355f7bbac2d5e7d12193e8cc71a520b61261982:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Object-Pluggable
 * [new ref]         6355f7bbac2d5e7d12193e8cc71a520b61261982 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6355f7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild