$ git clone -n https://src.fedoraproject.org/rpms/erlang-rebar.git /var/lib/mock/f42-build-3273239-41310/root/chroot_tmpdir/scmroot/erlang-rebar
Cloning into '/var/lib/mock/f42-build-3273239-41310/root/chroot_tmpdir/scmroot/erlang-rebar'...
$ git fetch origin 5a805e1848a703e0c561413a82997be1b1fecfbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-rebar
 * [new ref]         5a805e1848a703e0c561413a82997be1b1fecfbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a805e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild