$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Find-Rule-PPI.git /var/lib/mock/f45-build-23581-598/root/chroot_tmpdir/scmroot/perl-File-Find-Rule-PPI
Cloning into '/var/lib/mock/f45-build-23581-598/root/chroot_tmpdir/scmroot/perl-File-Find-Rule-PPI'...
$ git fetch origin 4d1054ac493ec231a46f0c7050cb8832f2ed8bb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Find-Rule-PPI
 * [new ref]         4d1054ac493ec231a46f0c7050cb8832f2ed8bb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d1054a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild