$ git clone -n https://src.fedoraproject.org/rpms/erlang-cowboy.git /var/lib/mock/f29-build-2203-672/root/thebuilddir/tmp/scmroot/erlang-cowboy
Cloning into '/var/lib/mock/f29-build-2203-672/root/thebuilddir/tmp/scmroot/erlang-cowboy'...
$ git reset --hard ab5746ce799bc85520d4dbc7051a930389973181
HEAD is now at ab5746c - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild