$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Validate-Type.git /var/lib/mock/f45-build-22970-595/root/chroot_tmpdir/scmroot/perl-Data-Validate-Type
Cloning into '/var/lib/mock/f45-build-22970-595/root/chroot_tmpdir/scmroot/perl-Data-Validate-Type'...
$ git fetch origin 914a34a5e8070f5a285bc09f07423efa6e1b1cd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Validate-Type
 * [new ref]         914a34a5e8070f5a285bc09f07423efa6e1b1cd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 914a34a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild