Simplify .travis.yml

.travis.yml

@@ -1,73 +1,2 @@
-language: node_js
+language: elm
 sudo: false
-
-# This is one of the node versions that's pre-installed on Travis
-node_js: "8.9.1"
-
-env:
-  global:
-    - ELM_VERSION=0.19.0
-    - ELM_FORMAT_VERSION=0.8.0
-    - ELM_TEST_VERSION=0.19.0-beta5
-    - ELM_HOME=.travis-elm-home
-
-cache:
-  directories:
-    - .travis-elm-home
-    - .sysconfcpus
-    - .elm-bin
-    - .node-global
-
-before_install:
-  - mkdir -p .node-global
-  - npm config set prefix .node-global
-  - export PATH=.node-global/bin:.elm-bin/elm/$ELM_VERSION:.elm-bin/elm-format/$ELM_FORMAT_VERSION:$PATH
-  - echo -e "Host github.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
-  - | # epic build time improvement - see https://github.com/elm-lang/elm-compiler/issues/1473#issuecomment-245704142
-    if [ ! -d .sysconfcpus/bin ];
-    then
-      git clone https://github.com/obmarg/libsysconfcpus.git .libsysconfcpus;
-      cd .libsysconfcpus;
-      ./configure --prefix=$TRAVIS_BUILD_DIR/.sysconfcpus;
-      make && make install;
-      cd ..;
-    fi
-
-
-install:
-  - | # install elm if it's not already installed from cache
-    if [ ! -d .elm-bin/elm/$ELM_VERSION ];
-    then
-      set -e
-      wget -qO- https://github.com/elm/compiler/releases/download/$ELM_VERSION/binaries-for-linux.tar.gz | tar xvz
-      if [ ! -f elm ]; then
-          echo "Downloading and installing elm failed."
-          travis_terminate 2
-      fi
-      mkdir -p .elm-bin/elm/$ELM_VERSION
-      mv elm .elm-bin/elm/$ELM_VERSION
-      pushd .elm-bin/elm/$ELM_VERSION
-      mv elm elm-old
-      printf '%s\n\n' '#!/bin/bash' 'echo "Running elm with sysconfcpus -n 1"' '$TRAVIS_BUILD_DIR/.sysconfcpus/bin/sysconfcpus -n 1 elm-old "$@"' > elm
-      chmod +x elm
-      popd
-    fi
-  - | # install elm-format if it's not already installed from cache
-    if [ ! -d .elm-bin/elm-format/$ELM_FORMAT_VERSION ];
-    then
-      set -e
-      wget -qO- https://github.com/avh4/elm-format/releases/download/$ELM_FORMAT_VERSION/elm-format-0.19-$ELM_FORMAT_VERSION-linux-x64.tgz | tar xvz
-      if [ ! -f elm-format ]; then
-          echo "Downloading and installing elm-format failed."
-          travis_terminate 2
-      fi
-      mkdir -p .elm-bin/elm-format/$ELM_FORMAT_VERSION
-      mv elm-format .elm-bin/elm-format/$ELM_FORMAT_VERSION
-    fi
-  - | # Always install elm-test from scratch. It would be great if we could detect the version and cache it somehow.
-    npm install --global elm-test@$ELM_TEST_VERSION
-
-script:
-  - elm-format --validate .
-  - elm make
-  - elm-test