language: rust
rust:
  - stable
  - nightly
  # 1.22.0 is MSRV for rust-lightning in general:
  - 1.22.0
  # 1.34.2 is Debian stable
  - 1.34.2
  # 1.39.0 is MSRV for lightning-net-tokio and generates coverage
  - 1.39.0
cache: cargo

before_install:
  - sudo apt-get -qq update
  - sudo apt-get install -y binutils-dev libunwind8-dev libcurl4-openssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev

script:
     # Support lightning-net-tokio only on Rust stable, nightly, and 1.39.0
     - if [ "$(rustup show | grep default | grep '1.39.0')" != "" ]; then export BUILD_NET_TOKIO=1; fi
     - if [ "$(rustup show | grep default | grep '1\.')" == "" ]; then export BUILD_NET_TOKIO=1; fi
     # Build the appropriate workspace(s)
     - if [ "$BUILD_NET_TOKIO" == "1" ]; then RUSTFLAGS="-C link-dead-code" cargo build --verbose; fi
     - if [ "$BUILD_NET_TOKIO" != "1" ]; then RUSTFLAGS="-C link-dead-code" cargo build --verbose -p lightning; fi
     - rm -f target/debug/lightning-* # Make sure we drop old test binaries
     # Test the appropriate workspace(s)
     - if [ "$BUILD_NET_TOKIO" == "1" ]; then RUSTFLAGS="-C link-dead-code" cargo test --verbose; fi
     - if [ "$BUILD_NET_TOKIO" != "1" ]; then RUSTFLAGS="-C link-dead-code" cargo test --verbose -p lightning; fi
     # Run lightning workspace fuzz tests on Rust stable
     - if [ "$(rustup show | grep default | grep stable)" != "" ]; then cd fuzz && cargo test --verbose && ./ci-fuzz.sh; fi
     # Run mutagen on nightly with TheBlueMatt's fork which exits with non-0 status
     # if any mutations resulted in anything except test failures to prevent regressions.
     - if [ "$(rustup show | grep default | grep nightly)" != "" ]; then
           rm -rf mutagen && git clone https://github.com/TheBlueMatt/mutagen &&
           cargo install --force --path mutagen/mutagen-runner &&
           cd lightning &&
           ~/.cargo/bin/cargo-mutagen --features mutation_testing; fi
     # Generate code cov information on Rust 1.39.0
     - if [ "$(rustup show | grep default | grep 1.39.0)" != "" ]; then
           wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
           tar xzf master.tar.gz &&
           cd kcov-master &&
           mkdir build &&
           cd build &&
           cmake .. &&
           make &&
           make install DESTDIR=../../kcov-build &&
           cd ../.. &&
           rm -rf kcov-master &&
           for file in target/debug/lightning-*; do [ -x "${file}" ] || continue; mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; done &&
           bash <(curl -s https://codecov.io/bash) &&
           echo "Uploaded code coverage"; fi