$ git clone -n https://src.fedoraproject.org/rpms/libmp4v2.git /var/lib/mock/f31-build-59024-28527/root/chroot_tmpdir/scmroot/libmp4v2
Cloning into '/var/lib/mock/f31-build-59024-28527/root/chroot_tmpdir/scmroot/libmp4v2'...
$ git reset --hard 9ffca92eac14a55a00379f4b3b56a5a61f4e4bf0
HEAD is now at 9ffca92 spec: Add BR for help2man