Add R CMD check tractor.base to CI

.github/workflows/ci.yaml

@@ -12,8 +12,8 @@ defaults:
     shell: bash
 
 jobs:
-  # This workflow contains a single job called "check"
-  check:
+  # Main TractoR tests, on Linux only
+  integration-check:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -51,3 +51,47 @@ jobs:
 
     - name: Run tests
       run: make deeptest
+
+  # Standard R CMD check on tractor.base package (Linux and Windows)
+  base-check:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest ]
+        R: [ release, devel ]
+
+    runs-on: ${{ matrix.os }}
+
+    # No submodules needed in this case, as we'll install dependencies from CRAN
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v4
+      with:
+        submodules: false
+
+    - name: Install and set up R
+      uses: r-lib/actions/setup-r@v2
+      with:
+        r-version: ${{ matrix.R }}
+
+    - name: Parse and install dependencies
+      run: |
+        deps <- read.dcf("DESCRIPTION", c("Depends","Imports","LinkingTo","Suggests","Enhances"))
+        deps <- na.omit(unlist(strsplit(deps, "\\s*,\\s*", perl=TRUE)))
+        deps <- setdiff(unique(sub("\\s*\\([^\\)]+\\)\\s*$", "", deps, perl=TRUE)), c("R", rownames(installed.packages())))
+        install.packages(deps)
+      shell: Rscript {0}
+
+    - name: Build package
+      run: R CMD build tractor.base
+
+    - name: Check package
+      run: R CMD check --no-manual tractor.base*tar.gz
+
+    # Upload the check directory as an artefact on failure
+    - name: Upload check results
+      if: failure()
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.os }}-R${{ matrix.R }}-check
+        path: tractor.base.Rcheck