ci: debug R_LIBS_USER issue with R v4.0.5

.gitlab-ci.yml

@@ -19,6 +19,7 @@ default:
     - cd ..
     - echo "setwd(\"$(pwd)\")" > .Rprofile
     - R -e 'Sys.getenv()'
+    - R -e '.libPaths()'
     - R -e 'utils::install.packages("usethis", repo = "https://cloud.r-project.org/")'
     - R -e 'remotes::install_deps(pkgdir = "airgr", dep = T)'
     - R CMD build airgr