Remove .travis.yml and add in an ossfuzz testing job

Author: cmeister2

.github/workflows/ci.yml

@@ -15,6 +15,7 @@ jobs:
           - ubuntu-18.04
         tool:
           - mainline
+          - ci_oss
     steps:
       - name: Install dependencies (Ubuntu)
         run: >-

.travis.yml

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -ex
+
+PROJECT_NAME=curl
+
+# Clone the oss-fuzz repository
+git clone https://github.com/google/oss-fuzz.git /tmp/ossfuzz
+
+# Work out which branch to clone from, inside Docker
+BRANCH=${GITHUB_REF}
+
+# Modify the oss-fuzz Dockerfile so that we're checking out the current reference on CI.
+sed -i "s@RUN git clone --depth 1 https://github.com/curl/curl-fuzzer.git /src/curl_fuzzer@RUN git config --global remote.origin.fetch '+refs/pull/*:refs/remotes/origin/pull/*' \&\& git clone https://github.com/curl/curl-fuzzer.git /src/curl_fuzzer \&\& cd /src/curl_fuzzer \&\& git checkout -b ${BRANCH}@" /tmp/ossfuzz/projects/${PROJECT_NAME}/Dockerfile
+
+# Try and build the fuzzers
+pushd /tmp/ossfuzz
+python3 infra/helper.py build_image --pull ${PROJECT_NAME}
+python3 infra/helper.py build_fuzzers ${PROJECT_NAME}
+python3 infra/helper.py check_build ${PROJECT_NAME} --engine libfuzzer --sanitizer address --architecture x86_64
+popd