.travis.yml

# packcheck-0.4.2
# You can use any of the options supported by packcheck as environment
# variables here.  See https://github.com/harendra-kumar/packcheck for all
# options and their explanation.
# dist: trusty
dist: xenial
env:
  # ------------------------------------------------------------------------
  # Global options, you can use these per build as well
  # ------------------------------------------------------------------------
  global:
  # ------------------------------------------------------------------------
  # Common options
  # ------------------------------------------------------------------------
  - GHC_OPTIONS="-Werror"
  - CABAL_REINIT_CONFIG=y
  - LC_ALL=C.UTF-8

  # ------------------------------------------------------------------------
  # What to build
  # ------------------------------------------------------------------------
  # - DISABLE_TEST=y
  # - DISABLE_BENCH=y
  # - DISABLE_DOCS=y
  # - DISABLE_SDIST_BUILD=y
  # - DISABLE_DIST_CHECKS=y
  - ENABLE_INSTALL=y

  # ------------------------------------------------------------------------
  # stack options
  # ------------------------------------------------------------------------
  # Note requiring a specific version of stack using STACKVER may fail due to
  # github API limit while checking and upgrading/downgrading to the specific
  # version.
  #- STACKVER="1.6.5"
  - STACK_UPGRADE="y"

  # ------------------------------------------------------------------------
  # cabal options
  # ------------------------------------------------------------------------
  - CABAL_CHECK_RELAX=y
  - CABAL_NO_SANDBOX=y
  - CABAL_HACKAGE_MIRROR=hackage.haskell.org:http://hackage.fpcomplete.com

  # ------------------------------------------------------------------------
  # Where to find the required tools
  # ------------------------------------------------------------------------
  - PATH=/bin:/usr/bin
  - TOOLS_DIR=/opt

  # ------------------------------------------------------------------------
  # Location of packcheck.sh (the shell script invoked to perform CI tests ).
  # ------------------------------------------------------------------------
  # You can either commit the packcheck.sh script at this path in your repo or
  # you can use it by specifying the PACKCHECK_REPO_URL option below in which
  # case it will be automatically copied from the packcheck repo to this path
  # during CI tests. In any case it is finally invoked from this path.
  - PACKCHECK_LOCAL_PATH="./packcheck.sh"
  # If you have not committed packcheck.sh in your repo at PACKCHECK_LOCAL_PATH
  # then it is automatically pulled from this URL.
  - PACKCHECK_GITHUB_URL="https://raw.githubusercontent.com/harendra-kumar/packcheck"
  - PACKCHECK_GITHUB_COMMIT="d11a8a68fef00f4932bbedd6134950495ccd7420"

notifications:
  email:
    on_success: change
    on_failure: always

#stages:
#  - compile
#  - lint

# This matrix has total of 6 builds enabled, we try to cover last three major
# GHC versions, stack, cabal, Linux and OSX with minimum number of builds
# possible. You can uncomment other disabled builds or comment out existing
# ones to your taste.
#
# We pre-install the cabal-install package to not incur the penalty of building
# it the first time in cached builds or every time in uncached builds.
matrix:
  include:

#  - stage: "compile"
#    env: BUILD=cabal-v2 GHCVER=8.8.1 GHC_OPTIONS=""
#    addons: {apt: {packages: [cabal-install-head,ghc-8.8.1], sources: [hvr-ghc]}}
#  - stage: "compile"
#    env: BUILD=cabal-v2 GHCVER=8.6.5 GHC_OPTIONS=""
#    addons: {apt: {packages: [cabal-install-2.4,ghc-8.6.5], sources: [hvr-ghc]}}
  - stage: "lint"
    env: BUILD=stack RESOLVER=lts-13 HLINT_COMMANDS="`gem env home`/wrappers/danger"
    before_install: gem install danger-hlint 'danger:~> 5.0' && ls -R `gem env home`

  # --------------------------------------------------------------------------
  # Builds that are allowed to fail
  # --------------------------------------------------------------------------

  allow_failures:

# ------------------------------------------------------------------------
#  Settings beyond this point are advanced and normally not tweaked
# ------------------------------------------------------------------------

language: generic
sudo: false
cache:
  directories:
  - $HOME/.cabal
  - $HOME/.ghc
  - $HOME/.ghcjs
  - $HOME/.local
  - $HOME/.stack
  - vendor/bundle

install: true

script:
  - |
    # If a custom stack-yaml is specified, replace the default with that
    if test -e "$STACK_YAML"; then rm -f stack.yaml && ln -sv $STACK_YAML stack.yaml; else true; fi
    unset STACK_YAML

    # Get packcheck if needed
    CURL=$(which curl)
    PACKCHECK_URL=${PACKCHECK_GITHUB_URL}/${PACKCHECK_GITHUB_COMMIT}/packcheck.sh
    if test ! -e "$PACKCHECK_LOCAL_PATH"; then $CURL -sL -o "$PACKCHECK_LOCAL_PATH" $PACKCHECK_URL; fi;
    chmod +x $PACKCHECK_LOCAL_PATH

    # This script is governed by various PACKCHECK envvars that are set above.
    # In addition, hpc-coveralls needs TRAVIS, TRAVIS_JOB_ID variables set by
    # the travis CI environment.
  - bash -c "$PACKCHECK_LOCAL_PATH $BUILD PATH=/bin:/usr/bin"