.travis.yml

language: c
sudo: required

cache:
  directories:
    - nim
    - upx
    - pcre
    - openssl
    - libressl

env:
  global:
    - NIMFILE="hello.nim"
    - BINFILE="./hello"
    #
    - NIMREPO="https://github.com/nim-lang/Nim"
    - NIMVER="$(git ls-remote ${NIMREPO} devel | cut -f 1)"
    - NIMDIR="${TRAVIS_BUILD_DIR}/nim/${NIMVER}"
    - UPXVER="3.95"             # Change this value when upgrading upx
    - PCREVER="8.42"            # Change this value when upgrading pcre
    - LIBRESSLVER="2.8.1"       # Change this value when upgrading libressl
    - OPENSSLVER="1.1.1"        # Change this value when upgrading openssl

addons:
  apt:
    packages:
      # For building MUSL static builds on Linux.
      - musl-tools

install:
  - set -e # Quit on first error
  - echo "NIMDIR = ${NIMDIR}"
  - |
    if [[ ! -f "${NIMDIR}/bin/nim" ]]
    then
      rm -rf nim
      mkdir -p nim
      git clone --single-branch --branch devel --depth=1 "${NIMREPO}" "${NIMDIR}"
      cd "${NIMDIR}" || exit
      # Don't build 'koch tools'; remove that line from build_all.sh.
      sed -i '/koch tools/d' build_all.sh
      sh build_all.sh # https://github.com/nim-lang/Nim/issues/17907#issuecomment-831654235
    fi
  - export PATH="${NIMDIR}/bin:${PATH}"
  - nim -v

  - |
    if [[ ! -f "${TRAVIS_BUILD_DIR}/upx/${UPXVER}/upx" ]]
    then
      echo "Installing upx .."
      # Ensure that you are in repo/build root now.
      cd "${TRAVIS_BUILD_DIR}"
      curl -OL "https://github.com/upx/upx/releases/download/v${UPXVER}/upx-${UPXVER}-amd64_linux.tar.xz"
      tar xvf "upx-${UPXVER}-amd64_linux.tar.xz"
      mkdir -p upx
      mv "upx-${UPXVER}-amd64_linux" "upx/${UPXVER}"
    fi
  - export PATH="${TRAVIS_BUILD_DIR}/upx/${UPXVER}/:${PATH}"
  - upx --version | grep -E '^upx'

script:
  # Ensure that you are in repo/build root now.
  - cd "${TRAVIS_BUILD_DIR}"
  - echo 'echo "Hello, World!"' > "${NIMFILE}"
  # Fri Aug 30 09:18:18 EDT 2019 - kmodi
  # Remove the lint check for config.nims; this broke in this range of commits on Nim devel:
  #   https://github.com/nim-lang/Nim/compare/a25d43ca6b5b9a918a7e...170cb4f4cbe734d6fa30
  # As per Araq (https://gitter.im/nim-lang/Nim?at=5d69220e7b263a4c9c7f6042), this was expected.
  # # Lint check
  # - nim check --styleCheck:hint config.nims
  # strip, upx
  - nim c "${NIMFILE}"
  - nim strip "${BINFILE}"
  - nim upx "${BINFILE}"
  - "${BINFILE}"
  # checksums
  - nim checksums "${BINFILE}"
  # musl
  - nim musl "${NIMFILE}"
  - file "${BINFILE}"
  - "${BINFILE}"
  # musl -d:pcre
  - nim musl -d:pcre "${NIMFILE}"
  - file "${BINFILE}"
  - "${BINFILE}"
  # musl -d:libressl
  - nim musl -d:libressl "${NIMFILE}"
  - file "${BINFILE}"
  - "${BINFILE}"
  # musl -d:openssl
  - nim musl -d:openssl "${NIMFILE}"
  - file "${BINFILE}"
  - "${BINFILE}"

notifications:
  email:
    on_success: never # default: change
    on_failure: always # default: always

# References:
# choosenim: https://github.com/mratsim/Arraymancer/blob/master/.travis.yml
# musl: https://github.com/BurntSushi/ripgrep/blob/master/.travis.yml
# nim build caching: https://github.com/status-im/nimbus/blob/master/.travis.yml
# https://docs.travis-ci.com/user/deployment/releases/
# https://github.com/nim-lang/Nim/wiki/TravisCI
# https://docs.travis-ci.com/user/environment-variables/#default-environment-variables