$ git clone -n https://src.fedoraproject.org/rpms/erlang-gproc.git /var/lib/mock/f40-build-1995660-43929/root/chroot_tmpdir/scmroot/erlang-gproc
Cloning into '/var/lib/mock/f40-build-1995660-43929/root/chroot_tmpdir/scmroot/erlang-gproc'...
$ git fetch origin 4fa24d2ffeb2b5c631c231998a61974a25fe5e30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-gproc
 * [new ref]         4fa24d2ffeb2b5c631c231998a61974a25fe5e30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fa24d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild