use update Travis script with bspm

.travis.yml

@@ -1,6 +1,8 @@
 # Run Travis CI for R using https://eddelbuettel.github.io/r-travis/
 
 language: c
+sudo: required
+dist: bionic
 
 matrix:
   include:
@@ -16,24 +18,18 @@ matrix:
       os: linux
       dist: bionic
       sudo: required
-      env: _R_CHECK_DEPENDS_ONLY_=true
+      env: _R_CHECK_DEPENDS_ONLY_="true"
 
 env:
   global:
-    - R_VERSION="4.0"
+    - USE_BSPM="true"
 
 before_install:
   - curl -OLs https://eddelbuettel.github.io/r-travis/run.sh && chmod 0755 run.sh
   - ./run.sh bootstrap
 
 install:
-  - |
-    if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-      ./run.sh install_aptget r-cran-runit r-cran-zoo r-cran-timedate \
-        r-cran-timeseries r-cran-tseries r-cran-chron r-cran-fts r-cran-tis;
-    elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-      ./run.sh install_r RUnit zoo timeDate timeSeries tseries chron fts tis;
-    fi
+  - ./run.sh install_all
 
 script:
   - ./run.sh run_tests