language: nix

env:
  matrix:
    - EMACS_CI=emacs-25-1
    - EMACS_CI=emacs-25-2
    - EMACS_CI=emacs-25-3
    - EMACS_CI=emacs-26-1
    - EMACS_CI=emacs-26-2
    - EMACS_CI=emacs-26-3
    - EMACS_CI=emacs-snapshot

matrix:
  allow_failures:
  - env: EMACS_CI=emacs-snapshot

before_script:
  # travis-wait-enhanced
  - |
    wget -qO- "https://github.com/crazy-max/travis-wait-enhanced/releases/download/v1.1.0/travis-wait-enhanced_1.1.0_linux_x86_64.tar.gz" | tar -zxvf - travis-wait-enhanced
    mv travis-wait-enhanced /home/travis/bin/
    travis-wait-enhanced --version
  # Install nix-emacs-ci
  - bash <(curl https://raw.githubusercontent.com/purcell/nix-emacs-ci/master/travis-install)
  # Install cask
  - curl -fsSkL https://raw.github.com/cask/cask/master/go | python
  - export PATH="$HOME/.cask/bin:$PATH"
  # Fix cask (See https://github.com/cask/cask/issues/399#issuecomment-331640427)
  - perl -ibak -lape 's{#!/usr/bin/env python}{#!/usr/bin/python}' "$(which cask)"
  # Check that cask is finding the right emacs
  - cask emacs --version
  # Use version-specific Cask file if it exists
  - if [ -e "Cask-$EMACS_CI" ]; then cp "Cask-$EMACS_CI" "Cask"; fi
  # Install elisp dependencies
  - cask install

script:
  - travis-wait-enhanced --timeout=3m -- make compile
  # Don't send redundant coverage info
  - UNDERCOVER_CONFIG='((:send-report nil))' travis-wait-enhanced --timeout=3m -- make test
  # For some reason emacs-git-snapshot hangs forever on this step
  - |
    if [ "$EMACS_CI" != emacs-snapshot ]; then
      travis-wait-enhanced --timeout=3m -- make test-with-flx;
    fi