$ git clone -n https://src.fedoraproject.org/rpms/dev86.git /var/lib/mock/f31-build-68545-30197/root/chroot_tmpdir/scmroot/dev86
Cloning into '/var/lib/mock/f31-build-68545-30197/root/chroot_tmpdir/scmroot/dev86'...
$ git reset --hard ef86b42fd9b29b3e5ded3e3e3964d35f63f93d39
HEAD is now at ef86b42 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild