#!/bin/bash -ex

# This is used invoked from
# https://github.com/google/oss-fuzz/blob/master/projects/qpdf/build.sh

# It should be run from the top level directory of a clean checkout of
# qpdf. It is also exercised in ../build-scripts/build-fuzzer

if [[ $GITHUB_FORK != "" ]]; then
    git remote add fork https://github.com/$GITHUB_FORK/qpdf
    git fetch fork --depth=1
    CUR_BRANCH=$(git rev-parse --abbrev-ref @)
    if [[ $GITHUB_BRANCH == "" ]]; then
        GITHUB_BRANCH=$CUR_BRANCH
    fi
    if [[ $GITHUB_BRANCH == $CUR_BRANCH ]]; then
        git reset --hard fork/$CUR_BRANCH
    else
        git branch -f $GITHUB_BRANCH fork/$GITHUB_BRANCH
        git checkout $GITHUB_BRANCH
    fi
fi

for future in ON OFF; do
    rm -rf build
    env CMAKE_PREFIX_PATH=$WORK LDFLAGS="-L$WORK/lib -lpthread" \
        cmake -S . -B build \
        -DOSS_FUZZ=ON -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=Debug \
        -DUSE_IMPLICIT_CRYPTO=OFF -DREQUIRE_CRYPTO_NATIVE=ON \
        -DFUTURE=$future
    cmake --build build -j$(nproc) --target fuzzers
    cmake --install build --component fuzz
    if [[ $future == ON ]]; then
        pushd $OUT
        for i in *_fuzzer*; do mv $i future_$i; done
        popd
    fi
done