$ git clone -n https://src.fedoraproject.org/rpms/erlang-xmpp.git /var/lib/mock/f33-build-145230-42942/root/chroot_tmpdir/scmroot/erlang-xmpp
Cloning into '/var/lib/mock/f33-build-145230-42942/root/chroot_tmpdir/scmroot/erlang-xmpp'...
$ git reset --hard 3a3945c50681c3c0c4df6df5f82e9c2a6f476286
HEAD is now at 3a3945c Remove 2018 changelog entries