$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Precise.git /var/lib/mock/f45-build-22983-595/root/chroot_tmpdir/scmroot/perl-DateTime-Precise
Cloning into '/var/lib/mock/f45-build-22983-595/root/chroot_tmpdir/scmroot/perl-DateTime-Precise'...
$ git fetch origin 94f1d87087d96939920bdb4232ad6a07af195df2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Precise
 * [new ref]         94f1d87087d96939920bdb4232ad6a07af195df2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94f1d87 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild