$ git clone -n https://src.fedoraproject.org/rpms/libdkimpp.git /var/lib/mock/f31-build-58452-28451/root/chroot_tmpdir/scmroot/libdkimpp
Cloning into '/var/lib/mock/f31-build-58452-28451/root/chroot_tmpdir/scmroot/libdkimpp'...
$ git reset --hard 6f28d71b1b83187d78391d8c2fd3f359d2d5fb6d
HEAD is now at 6f28d71 libdkimpp: 2.0.0 release