$ git clone -n https://src.fedoraproject.org/rpms/golang-github-pquerna-ffjson.git /var/lib/mock/f31-build-116059-34532/root/chroot_tmpdir/scmroot/golang-github-pquerna-ffjson
Cloning into '/var/lib/mock/f31-build-116059-34532/root/chroot_tmpdir/scmroot/golang-github-pquerna-ffjson'...
$ git reset --hard b7789cc64a3d1f5bf9f62b9f12a35a37eb07e8ba
HEAD is now at b7789cc - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild