.travis.yml

git:
  depth: 3

language: emacs-lisp
sudo: false

matrix:
  include:
    - os: linux
      dist: xenial
      env: EVM_EMACS=emacs-26.1-travis-linux-xenial
    - os: linux
      dist: xenial
      env: EVM_EMACS=emacs-26.2-travis-linux-xenial
    - os: linux
      dist: xenial
      env: EVM_EMACS=emacs-26.3-travis-linux-xenial
    - os: linux
      dist: xenial
      env: EVM_EMACS=emacs-27.1-travis-linux-xenial
    - os: linux
      dist: xenial
      env: EVM_EMACS=emacs-git-snapshot-travis-linux-xenial

before_install:
  - |
      echo "Checking if a CI run is needed post commit: ${TRAVIS_COMMIT_RANGE}"
      if ! git diff --name-only ${TRAVIS_COMMIT_RANGE} | grep -qvE '(\.md$)|(\.png$)|(\.pdf$)|(\.html$)|^(LICENSE)|^(docs)/'
      then
        echo "Only doc files were updated, not running the CI."
        exit
      fi
      
before_script:
  - mv -f ../.emacs.d ~/.emacs.d
  - git clone https://github.com/rejeep/evm.git /home/travis/.evm
  - export PATH="/home/travis/.evm/bin:$PATH"
  - evm config path /tmp
  - evm install $EVM_EMACS --use --skip

script:
  - ${EMACS:=emacs} --version
  - echo "Attempting startup..."
  - ${EMACS:=emacs} -nw --batch --eval '(progn
                        (defvar url-show-status)
                        (let ((debug-on-error t)
                              (url-show-status nil)
                              (user-emacs-directory default-directory)
                              (user-init-file (expand-file-name "init.el"))
                              (load-path (delq default-directory load-path)))
                           (load-file user-init-file)
                           (run-hooks (quote after-init-hook))))'
  - echo "Startup successful"