$ git clone -n https://src.fedoraproject.org/rpms/perl-Probe-Perl.git /var/lib/mock/f45-build-25924-613/root/chroot_tmpdir/scmroot/perl-Probe-Perl
Cloning into '/var/lib/mock/f45-build-25924-613/root/chroot_tmpdir/scmroot/perl-Probe-Perl'...
$ git fetch origin d00c616029f3b44cd9ecef1d96f14341456eae92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Probe-Perl
 * [new ref]         d00c616029f3b44cd9ecef1d96f14341456eae92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d00c616 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild