$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-MVP-Slicer.git /var/lib/mock/f45-build-22495-591/root/chroot_tmpdir/scmroot/perl-Config-MVP-Slicer
Cloning into '/var/lib/mock/f45-build-22495-591/root/chroot_tmpdir/scmroot/perl-Config-MVP-Slicer'...
$ git fetch origin b9181b37344483d4fbb6bac6259f74ce62d5c8fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-MVP-Slicer
 * [new ref]         b9181b37344483d4fbb6bac6259f74ce62d5c8fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9181b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild