$ git clone -n https://src.fedoraproject.org/rpms/valgrind.git /var/lib/mock/f33-build-157858-43397/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/f33-build-157858-43397/root/chroot_tmpdir/scmroot/valgrind'...
$ git reset --hard 848b6a726b5f8855ea24fb539291284d7041a90c
HEAD is now at 848b6a7 3.15.0-20 - - Add valgrind-3.15.0-z15.patch