$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Pod.git /var/lib/mock/f45-build-26812-619/root/chroot_tmpdir/scmroot/perl-Test-Pod
Cloning into '/var/lib/mock/f45-build-26812-619/root/chroot_tmpdir/scmroot/perl-Test-Pod'...
$ git fetch origin f2df72b36dd5052e7922ffda38cb1bcdb8fc8ea3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Pod
 * [new ref]         f2df72b36dd5052e7922ffda38cb1bcdb8fc8ea3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2df72b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild