$ git clone -n https://src.fedoraproject.org/rpms/valgrind.git /var/lib/mock/f33-build-369251-61254/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/f33-build-369251-61254/root/chroot_tmpdir/scmroot/valgrind'...
$ git reset --hard b34c10bac8f0a1548028384210a02d0214727779
HEAD is now at b34c10b 3.16.1-5 - Update valgrind-3.16.1-epoll.patch