$ git clone -n https://src.fedoraproject.org/rpms/duff.git /var/lib/mock/f31-build-70196-30439/root/chroot_tmpdir/scmroot/duff
Cloning into '/var/lib/mock/f31-build-70196-30439/root/chroot_tmpdir/scmroot/duff'...
$ git reset --hard 90e81c777da2468dcef435b1c90e475b63d94398
HEAD is now at 90e81c7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild