Add fuzzit.dev continuous fuzzing integration (#288)

fuzzit.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+set -xe
+
+# fuzz only in one configuration
+# there's no benefit to fuzzing with different go versions
+if [ -z ${WITH_FUZZ} ]; then
+    exit 0
+fi
+
+# go-fuzz doesn't support modules yet, so ensure we do everything
+# in the old style GOPATH way
+export GO111MODULE="off"
+
+# install go-fuzz
+go get -u github.com/dvyukov/go-fuzz/go-fuzz github.com/dvyukov/go-fuzz/go-fuzz-build
+
+# target name can only contain lower-case letters (a-z), digits (0-9) and a dash (-)
+# to add another target, make sure to create it with `fuzzit create target`
+# before using `fuzzit create job`
+TARGET=toml-fuzzer
+
+go-fuzz-build -libfuzzer -o ${TARGET}.a github.com/pelletier/go-toml
+clang -fsanitize=fuzzer ${TARGET}.a -o ${TARGET}
+
+# install fuzzit for talking to fuzzit.dev service
+# or latest version:
+# https://github.com/fuzzitdev/fuzzit/releases/latest/download/fuzzit_Linux_x86_64
+wget -q -O fuzzit https://github.com/fuzzitdev/fuzzit/releases/download/v2.4.23/fuzzit_Linux_x86_64
+chmod a+x fuzzit
+
+# upload fuzz target for long fuzz testing on fuzzit.dev server
+# or run locally for regression, depending on --type
+if [ "${TRAVIS_PULL_REQUEST}" == "false" ]; then
+	TYPE=fuzzing
+else
+	TYPE=local-regression
+fi
+
+# TODO: change kkowalczyk to go-toml and create toml-fuzzer target there
+./fuzzit create job --type $TYPE go-toml/${TARGET} ${TARGET}