$ git clone -n https://src.fedoraproject.org/rpms/perl-Eval-WithLexicals.git /var/lib/mock/f45-build-23355-597/root/chroot_tmpdir/scmroot/perl-Eval-WithLexicals
Cloning into '/var/lib/mock/f45-build-23355-597/root/chroot_tmpdir/scmroot/perl-Eval-WithLexicals'...
$ git fetch origin 77be9467542d1bbb5306f438c48c8ccca09da109:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Eval-WithLexicals
 * [new ref]         77be9467542d1bbb5306f438c48c8ccca09da109 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77be946 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild