$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-MVP.git /var/lib/mock/f45-build-22476-591/root/chroot_tmpdir/scmroot/perl-Config-MVP
Cloning into '/var/lib/mock/f45-build-22476-591/root/chroot_tmpdir/scmroot/perl-Config-MVP'...
$ git fetch origin 48cb20a6180299fc4bf5b9b94503d3ed4ed8a098:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-MVP
 * [new ref]         48cb20a6180299fc4bf5b9b94503d3ed4ed8a098 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48cb20a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild