ci: dependencies issue with package 'usethis'

Refs #86

.gitlab-ci.yml

@@ -13,13 +13,14 @@ default:
     - echo "setwd(\"$(pwd)\")" > .Rprofile
     - PATH=~/R/sources/R-${R_VERSION}/bin:$PATH
     - rename "s/${R_VERSION}.airGR/airGR/" *.tar.gz
-    - R -e 'remotes::install_deps(dep = T)'
 
 .build:
   stage: build
   script:
     - cd ..
     - echo "setwd(\"$(pwd)\")" > .Rprofile
+    - R -e 'utils::install.packages("usethis")'
+    - R -e 'remotes::install_deps(dep = T)'
     - R CMD build airgr
     - rename "s/airGR/${R_VERSION}.airGR/" airGR_*.tar.gz
     - mv *.tar.gz airgr/