$ git clone -n https://src.fedoraproject.org/rpms/erlang-chronos.git /var/lib/mock/f39-build-1584604-38137/root/chroot_tmpdir/scmroot/erlang-chronos
Cloning into '/var/lib/mock/f39-build-1584604-38137/root/chroot_tmpdir/scmroot/erlang-chronos'...
$ git fetch origin 3c106b50402306c37cd46605181ede150f5faf6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-chronos
 * [new ref]         3c106b50402306c37cd46605181ede150f5faf6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c106b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild