run vtests in before_script to better leverage package caching

cpsievert · cpsievert · commit 426c144020cc · 2018-10-04T20:51:49.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,13 +3,10 @@ cache: packages
 sudo: true
 dist: trusty
 warnings_are_errors: false
-
-# build matrix; turn on vdiffr only on r release
-matrix:
-  include:
-  - r: devel
-  - r: release
-  - r: oldrel
+r:
+  - oldrel
+  - release
+  - devel
     
 env:
   global:
@@ -21,15 +18,17 @@ env:
     - secure: "QPBEqtLRdwb4ablJORzD0JdCT9ESe3nNdIehM1oxfcNKfpSdf2OFxH3TkeYY1nMpv0mLxiMNTy6xcj9Yk5MaaBCIA0P7q6OdZv9ruzQD1j3g84gP45KwBilbPGjb+/EvOS0fM25vR/pAmA8IyoUfPC2J8HwiNnW8DYdt/hJOJ9A="
 
 before_install:
-  # run visual tests on r-release
-  - if [[ "$TRAVIS_R_VERSION_STRING" == "release" ]]; then docker run -e VMODE="ci" -v $(pwd):/home/plotly cpsievert/plotly-orca; fi
   - echo "Sys.setenv('plotly_username' = 'cpsievert')" > ~/.Rprofile
   # sf system dependencies
   - sudo add-apt-repository ppa:ubuntugis/ubuntugis-unstable --yes
   - sudo apt-get --yes --force-yes update -qq
   - sudo apt-get install --yes libudunits2-dev libproj-dev libgeos-dev libgdal-dev
   # make sure R pkgs are upt-to-date
   - Rscript -e 'update.packages(ask = FALSE)'
+  
+# run visual tests on r-release
+before_script:
+  - if [[ "$TRAVIS_R_VERSION_STRING" == "release" ]]; then docker run -e VMODE="ci" -v $(pwd):/home/plotly cpsievert/plotly-orca; fi
 
 # work around temporary travis + R 3.5 bug
 r_packages: devtools  
