language: generic
sudo: false
git:
  submodules: false

env:
  global:
    - Wlexical=t
    - Werror=t
    - tests_Werror=t # For yasnippet-tests.el
  matrix:
    - EMACS_VERSION=23.4
    # 24.3 gives a bunch of 'value returned from (car value-N) is
    # unused' warnings.
    - EMACS_VERSION=24.3 tests_Werror=nil
    - EMACS_VERSION=24.5
    - EMACS_VERSION=25.3
    - EMACS_VERSION=26-prerelease


install:
  - curl -LO https://github.com/npostavs/emacs-travis/releases/download/bins/emacs-bin-${EMACS_VERSION}.tar.gz
  - tar -xaf emacs-bin-${EMACS_VERSION}.tar.gz -C /
  # Configure $PATH: Emacs installed to /tmp/emacs
  - export PATH=/tmp/emacs/bin:${PATH}
  - if ! emacs -Q --batch --eval "(require 'cl-lib)" ; then
        curl -Lo cl-lib.el http://elpa.gnu.org/packages/cl-lib-0.6.1.el ;
        export warnings="'(not cl-functions)" ;
    fi
  - if ! emacs -Q --batch --eval "(require 'ert)" ; then
        curl -LO https://raw.githubusercontent.com/ohler/ert/c619b56c5bc6a866e33787489545b87d79973205/lisp/emacs-lisp/ert.el &&
        curl -LO https://raw.githubusercontent.com/ohler/ert/c619b56c5bc6a866e33787489545b87d79973205/lisp/emacs-lisp/ert-x.el ;
    fi
  - emacs --version

script:
  - rake yasnippet.elc
  - rake yasnippet-debug.elc
  - rake yasnippet-tests.elc Werror=$tests_Werror
  - rake tests

notifications:
  email:
    # Default is change, but that includes a new branch's 1st success.
    on_success: never
    on_failure: always # The default.