$ git clone -n https://src.fedoraproject.org/rpms/erlang-mimetypes.git /var/lib/mock/f38-build-side-42-init-devel-744395-27658/root/chroot_tmpdir/scmroot/erlang-mimetypes
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-744395-27658/root/chroot_tmpdir/scmroot/erlang-mimetypes'...
$ git fetch origin f64dd0e61f92dd0d02257caa0afad4c9a4a60918:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-mimetypes
 * [new ref]         f64dd0e61f92dd0d02257caa0afad4c9a4a60918 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f64dd0e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild