$ git clone -n https://src.fedoraproject.org/rpms/docker-distribution.git /var/lib/mock/f31-build-101388-33386/root/chroot_tmpdir/scmroot/docker-distribution
Cloning into '/var/lib/mock/f31-build-101388-33386/root/chroot_tmpdir/scmroot/docker-distribution'...
$ git reset --hard d06a8fae008d4e3cb5824ce57ad15b37dbfc3d39
HEAD is now at d06a8fa - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild