$ git clone -n https://src.fedoraproject.org/rpms/esmtp.git /var/lib/mock/f31-build-63608-29407/root/chroot_tmpdir/scmroot/esmtp
Cloning into '/var/lib/mock/f31-build-63608-29407/root/chroot_tmpdir/scmroot/esmtp'...
$ git reset --hard 446b1bcfa27710225cd5bd1e6ede2902ef2b8a69
HEAD is now at 446b1bc - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild