.travis.yml file without OSX (Linux only) but with elm-format dwyl/le…

…arn-travis#31

.travis.yml

@@ -3,10 +3,6 @@ sudo: false # don't need root access on Travis-CI (builds faster without sudo!)
 language: node_js # elm is installed from npm (see install below)
 node_js: node     # use "latest" version of Node.js
 
-os: # test on *both* Linux and OSX to ensure compatibility
-  - linux # defaults to Ubuntu Linux
-  - osx # if your project does not *need* OSX compatibility, remove this line.
-
 env:
   - ELM_VERSION=0.18.0 ELM_TEST=0.18.12
 
@@ -20,10 +16,7 @@ cache:
     - $HOME/.npm # https://stackoverflow.com/a/42523517/1148249
 
 before_install:
-  - uname -a       # print the *exact* operating system/kernel version
-  - if [ ${TRAVIS_OS_NAME} == "osx" ];
-    then brew update; brew install nvm; mkdir ~/.nvm; export NVM_DIR=~/.nvm; source $(brew --prefix nvm)/nvm.sh;
-    fi
+  - uname -a # print the *exact* operating system/kernel version
   - | # build time improvement see: https://git.io/vQcqz
     if [ ! -d sysconfcpus/bin ];
     then
@@ -41,8 +34,6 @@ install: # install specific versions of elm & elm-test
   - printf "#\041/bin/bash\n\necho \"Running elm-make with sysconfcpus -n 2\"\n\n$TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus -n 2 elm-make-old \"\$@\"" > $(npm config get prefix)/bin/elm-make
   - chmod +x $(npm config get prefix)/bin/elm-make
   - travis_retry elm package install --yes # install main project dependencies
-  - pwd
-
 
 script:
   - elm-format --validate PhotoGroove.elm # lint / format-check main file