image: ubuntu
tasks:
  install_packages:
    description: Install system packages.
    command: |
      set -euo pipefail
      apt-get update
      apt-get install --yes build-essential curl libssl-dev libcurl4-openssl-dev zip unzip jq git

  create_user:
    description: Create a user without root privileges.
    command: |
      set -euo pipefail
      adduser --disabled-password --gecos '' user

  install_rust:
    description: Install Rust.
    dependencies:
      - install_packages
      - create_user
    user: user
    command: |
      set -euo pipefail
      curl https://sh.rustup.rs -sSf |
        sh -s -- -y --default-toolchain nightly --component clippy --component rustfmt
      . $HOME/.cargo/env
      rustup component add clippy
      rm -rf "$(dirname "$(rustup which rustc)")/../share"

  install_tools:
    description: Install the tools needed.
    dependencies:
      - install_rust
    user: user
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      export OPENSSL_LIB_DIR="/usr/lib/x86_64-linux-gnu"
      export OPENSSL_INCLUDE_DIR="/usr/include/openssl"
      cargo install grcov

  configure_registry:
    description: Configure the Cratez registry
    dependencies:
      - install_rust
    user: user
    command: |
      echo '[net]' >> ~/.cargo/config
      echo 'git-fetch-with-cli = true' >> ~/.cargo/config
      echo ''
      echo '[registries]' >> ~/.cargo/config
      echo 'cratez = { index = "http://localhost:43110/1CRAteZVBUYrnx8jj9x87A1zCnptrWFhPH/index" }' >> ~/.cargo/config

  fetch_crates:
    description: Download and build Rust packages used by the program.
    dependencies:
      - install_tools
      - configure_registry
      - create_user
    user: user
    input_paths:
      - Cargo.toml
      - Cargo.lock
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      mv Cargo.lock Cargo.lock.og
      mv Cargo.toml Cargo.toml.og
      cargo init --vcs none
      mv Cargo.lock.og Cargo.lock
      mv Cargo.toml.og Cargo.toml
      cargo build
      cargo clean --package zerucrypt
      cargo clippy
      rm -rf src

  build:
    dependencies:
      - fetch_crates
    user: user
    input_paths:
      - src
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      cargo build

  test:
    dependencies:
      - build
    user: user
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      cargo test

  coverage:
    dependencies:
      - build
    user: user
    output_paths:
      - coverage
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      export CARGO_INCREMENTAL=0
      export RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
      export RUSTDOCFLAGS="-Cpanic=abort"
      export CARGO_OPTIONS=""
      cargo build --verbose $CARGO_OPTIONS
      cargo test --verbose $CARGO_OPTIONS
      zip -0 ccov.zip `find . \( -name "zerucrypt*.gc*" \) -print`
      grcov ccov.zip -s . -t lcov --llvm --branch --ignore-not-existing --ignore "/*" -o lcov.info
      grcov ccov.zip -s . -t covdir --llvm --branch --ignore-not-existing --ignore "/*" -o covdir.json
      grcov ccov.zip -s . -t html --llvm --branch --ignore-not-existing --ignore "/*" -o html
      mkdir coverage
      echo "Total coverage: $(jq .coveragePercent covdir.json)%"
      mv covdir.json ./coverage
      mv lcov.info ./coverage
      mv html ./coverage

  doc:
    dependencies:
      - build
    user: user
    output_paths:
      - target/doc
    command: |
      set -euo pipefail
      . $HOME/.cargo/env
      cargo doc --no-deps