$ git clone -n https://src.fedoraproject.org/rpms/erlang-mimetypes.git /var/lib/mock/f39-build-1505571-35150/root/chroot_tmpdir/scmroot/erlang-mimetypes
Cloning into '/var/lib/mock/f39-build-1505571-35150/root/chroot_tmpdir/scmroot/erlang-mimetypes'...
$ git fetch origin 120d0a1cf6cbf2b3708a32ae72a885afc7482c3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-mimetypes
 * [new ref]         120d0a1cf6cbf2b3708a32ae72a885afc7482c3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 120d0a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild