add workflow file for package-wide checks

.github/workflows/check.yaml

@@ -49,10 +49,6 @@ jobs:
         shell: Rscript {0}
         run: lucode2:::validkey(stopIfInvalid = TRUE)
 
-      - name: Verify that lucode2::buildLibrary was successful
-        shell: Rscript {0}
-        run: lucode2:::isVersionUpdated()
-
       - name: Checks
         shell: Rscript {0}
         run: |

.github/workflows/checkPackage.yaml

@@ -0,0 +1,37 @@
+name: checkPackage
+
+on:
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+          extra-repositories: "https://rse.pik-potsdam.de/r/packages"
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: |
+            gamstransfer=?ignore
+            any::lucode2
+            any::covr
+            any::madrat
+            any::magclass
+            any::citation
+            any::gms
+            any::goxygen
+            any::GDPuc
+          # piam packages also available on CRAN (madrat, magclass, citation,
+          # gms, goxygen, GDPuc) will usually have an outdated binary version
+          # available; by using extra-packages we get the newest version
+
+      - name: Verify that lucode2::buildLibrary was successful
+        shell: Rscript {0}
+        run: lucode2:::isVersionUpdated()