$ git clone -n https://src.fedoraproject.org/rpms/perl-pmtools.git /var/lib/mock/f45-build-27736-625/root/chroot_tmpdir/scmroot/perl-pmtools
Cloning into '/var/lib/mock/f45-build-27736-625/root/chroot_tmpdir/scmroot/perl-pmtools'...
$ git fetch origin 3a496202221a6c050f64a7aa80335bd3294770ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-pmtools
 * [new ref]         3a496202221a6c050f64a7aa80335bd3294770ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a49620 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild