$ git clone -n https://src.fedoraproject.org/rpms/aom.git /var/lib/mock/f31-build-74921-31202/root/chroot_tmpdir/scmroot/aom
Cloning into '/var/lib/mock/f31-build-74921-31202/root/chroot_tmpdir/scmroot/aom'...
$ git reset --hard 7aec743e4540a72b4e15c19201fa9ac412d4850b
HEAD is now at 7aec743 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild