GHA: Test with develop version of 'globals' and 'future' also on Windows

Author: HenrikBengtsson

.github/workflows/R-CMD-check.yaml

@@ -30,7 +30,10 @@ jobs:
 #          - {os: ubuntu-latest,  r: '3.6'      }
           - {os: ubuntu-latest,  r: 'release'  , plan: multicore,    label: 'w/ multicore'    }
           - {os: ubuntu-latest,  r: 'release'  , plan: multisession, label: 'w/ multisession' }
+          - {os: windows-latest,  r: 'release', future_version: develop, label: 'w/ future-develop' }
+          - {os: windows-latest,  r: 'release', globals_version: develop, future_version: develop, label: 'w/ future-develop' }
           - {os: ubuntu-latest,  r: 'release', future_version: develop, label: 'w/ future-develop' }
+          - {os: ubuntu-latest,  r: 'release', globals_version: develop, future_version: develop, label: 'w/ future-develop' }
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
@@ -48,6 +51,7 @@ jobs:
       R_FUTURE_PLAN: ${{ matrix.config.plan }}
       ## FIXME: Eventually update to 'R_FUTURE_GLOBALS_ONREFERENCE=error'
       R_FUTURE_GLOBALS_ONREFERENCE: "warning"
+      R_GLOBALS_VERSION: ${{ matrix.config.globals_version }}
       R_FUTURE_VERSION: ${{ matrix.config.future_version }}
 
     steps:
@@ -74,6 +78,11 @@ jobs:
 
       - name: Test with specific future version?
         run: |
+          globals_version <- Sys.getenv("R_GLOBALS_VERSION")
+          if (nzchar(globals_version)) {
+            install.packages("remotes")
+            remotes::install_github("futureverse/globals", ref=globals_version)
+          }
           future_version <- Sys.getenv("R_FUTURE_VERSION")
           if (nzchar(future_version)) {
             install.packages("remotes")