ci: Run tests on patched, devel and oldrel versions of R

- Different version of R have been compiled in `~/R/R-${R_VERSION}`
- push tests are executed on patched version
- oldrel and devel versions are tested on scheduled and tag pipelines

Refs #55

.gitlab-ci.yml

@@ -2,26 +2,94 @@ stages:
   - build
   - tests
 
-build:
+default:
+  before_script:
+    - echo "setwd(\"$(pwd)\")" > .Rprofile
+
+.build:
   stage: build
   script:
     - cd ..
     - echo "setwd(\"$(pwd)\")" > .Rprofile
-    - R CMD build airgr
+    - ~/R/R-${R_VERSION}/bin/R CMD build airgr
     - mv *.tar.gz airgr/
   artifacts:
     untracked: true
     expire_in: 1 week
 
-check_not_cran:
+.check_not_cran:
   stage: tests
+  variables:
+    NOT_CRAN: "true"
   script:
-    - echo "setwd(\"$(pwd)\")" > .Rprofile
-    - echo "Sys.setenv(NOT_CRAN = \"true\")" >> .Rprofile
-    - R CMD check airGR_*.tar.gz
+    - ~/R/R-${R_VERSION}/bin/R CMD check airGR_*.tar.gz
 
-check_as_cran:
+.check_as_cran:
   stage: tests
   script:
-    - echo "setwd(\"$(pwd)\")" > .Rprofile
-    - R CMD check --as-cran airGR_*.tar.gz
+    - ~/R/R-${R_VERSION}/bin/R CMD check --as-cran airGR_*.tar.gz
+
+build_patched:
+  variables:
+    R_VERSION: "patched"
+  extends: .build
+
+check_not_cran_patched:
+  variables:
+    R_VERSION: "patched"
+    extends: .check_not_cran
+
+check_as_cran_patched:
+  variables:
+    R_VERSION: "patched"
+    extends: .check_as_cran
+
+build_devel:
+  only:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "devel"
+  extends: .build
+
+check_not_cran_devel:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "devel"
+    extends: .check_not_cran
+
+check_as_cran_devel:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "devel"
+    extends: .check_as_cran
+
+build_oldrel:
+  only:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "oldrel"
+  extends: .build
+
+check_not_cran_oldrel:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "oldrel"
+    extends: .check_not_cran
+
+check_as_cran_oldrel:
+    refs:
+      - tags
+      - schedules
+  variables:
+    R_VERSION: "oldrel"
+    extends: .check_as_cran