$ git clone -n https://src.fedoraproject.org/rpms/perl-Mail-Transport-Dbx.git /var/lib/mock/f31-build-66902-29948/root/thebuilddir/tmp/scmroot/perl-Mail-Transport-Dbx
Cloning into '/var/lib/mock/f31-build-66902-29948/root/thebuilddir/tmp/scmroot/perl-Mail-Transport-Dbx'...
$ git reset --hard 0ab55ee522d3d7673edcab33e873f42d58ef873e
HEAD is now at 0ab55ee - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild