$ git clone -n https://src.fedoraproject.org/rpms/valgrind.git /var/lib/mock/f37-build-676093-76069/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/f37-build-676093-76069/root/chroot_tmpdir/scmroot/valgrind'...
$ git reset --hard abb597e9d87a8f703daab782e297eff0aad8d5be
HEAD is now at abb597e 3.20.0-1 - Upgrade to valgrind 3.20.0. Drop old patches.