$ git clone -n https://src.fedoraproject.org/rpms/erlang.git /var/lib/mock/f40-build-1777613-24803/root/chroot_tmpdir/scmroot/erlang
Cloning into '/var/lib/mock/f40-build-1777613-24803/root/chroot_tmpdir/scmroot/erlang'...
$ git fetch origin 1d682bab55cd7f60e0dac2f8d66abe5dc9a257dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang
 * [new ref]         1d682bab55cd7f60e0dac2f8d66abe5dc9a257dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d682ba OpenSSL engine split off since Fedora 41