$ git clone -n https://src.fedoraproject.org/rpms/libsmbios.git /var/lib/mock/f39-build-1641956-40210/root/chroot_tmpdir/scmroot/libsmbios
Cloning into '/var/lib/mock/f39-build-1641956-40210/root/chroot_tmpdir/scmroot/libsmbios'...
$ git fetch origin 39b77f71c347df5c7b8102f32048f04e9a20b855:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsmbios
 * [new ref]         39b77f71c347df5c7b8102f32048f04e9a20b855 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39b77f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild