$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Expression-Evaluator.git /var/lib/mock/f45-build-24684-605/root/chroot_tmpdir/scmroot/perl-Math-Expression-Evaluator
Cloning into '/var/lib/mock/f45-build-24684-605/root/chroot_tmpdir/scmroot/perl-Math-Expression-Evaluator'...
$ git fetch origin 036418f45087215c65d7ea2bca41881477ff24fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Expression-Evaluator
 * [new ref]         036418f45087215c65d7ea2bca41881477ff24fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 036418f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild