$ git clone -n https://src.fedoraproject.org/rpms/erlang-iconv.git /var/lib/mock/f40-build-2285176-55672/root/chroot_tmpdir/scmroot/erlang-iconv
Cloning into '/var/lib/mock/f40-build-2285176-55672/root/chroot_tmpdir/scmroot/erlang-iconv'...
$ git fetch origin 52ea8b1c983731bf117d336422c8691a8a9a686c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-iconv
 * [new ref]         52ea8b1c983731bf117d336422c8691a8a9a686c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52ea8b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild