$ git clone -n https://src.fedoraproject.org/rpms/perl-Mojolicious-Plugin-RenderFile.git /var/lib/mock/f45-build-24970-607/root/chroot_tmpdir/scmroot/perl-Mojolicious-Plugin-RenderFile
Cloning into '/var/lib/mock/f45-build-24970-607/root/chroot_tmpdir/scmroot/perl-Mojolicious-Plugin-RenderFile'...
$ git fetch origin 5c990e138b4a89b061a35e88de57cd6235b887db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mojolicious-Plugin-RenderFile
 * [new ref]         5c990e138b4a89b061a35e88de57cd6235b887db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c990e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild