gitoxide: initial integration (#9529)

Signed-off-by: Nathaniel Brough <nathaniel.brough@gmail.com>

---------

Signed-off-by: Nathaniel Brough <nathaniel.brough@gmail.com>
Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>

projects/gitoxide/Dockerfile

@@ -0,0 +1,20 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-rust
+RUN git clone --depth 1 https://github.com/Byron/gitoxide.git gitoxide
+WORKDIR gitoxide
+COPY build.sh $SRC/

projects/gitoxide/build.sh

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+#!/bin/bash -eu
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+set -eox pipefail
+
+# TODO: Switch back to this method for fuzzer discovery once all the fuzzers
+# build successfully.
+# FUZZ_CRATES=$(find . -type d -name fuzz -exec readlink -f {} \;)
+
+FUZZ_CRATE_DIRS=("$(pwd)/git-config"\
+                 "$(pwd)/git-pathspec"\
+                 "$(pwd)/git-refspec"\
+                 "$(pwd)/git-revision")
+
+
+for CRATE_DIR in ${FUZZ_CRATE_DIRS[@]};
+do
+  echo "Building crate: $CRATE_DIR"
+  cd $CRATE_DIR
+  cargo +nightly fuzz build -O --debug-assertions
+  FUZZ_TARGET_OUTPUT_DIR=fuzz/target/x86_64-unknown-linux-gnu/release
+  for f in fuzz/fuzz_targets/*.rs
+  do
+      FUZZ_TARGET_NAME=$(basename ${f%.*})
+      CRATE_NAME=$(basename $CRATE_DIR)
+      cp $FUZZ_TARGET_OUTPUT_DIR/$FUZZ_TARGET_NAME $OUT/$CRATE_NAME-$FUZZ_TARGET_NAME
+  done
+done

projects/gitoxide/project.yaml

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+homepage: "https://crates.io/crates/gitoxide"
+language: rust
+primary_contact: "byronimo@gmail.com"
+main_repo: "https://github.com/Byron/gitoxide"
+file_github_issue: true
+sanitizers:
+  - address
+fuzzing_engines:
+  - libfuzzer