Standardize GitHub Actions to the core set

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

@@ -1,10 +1,12 @@
 # Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
-# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+# JAGS variant: installs JAGS on macOS and Windows (Linux gets it via setup-r-dependencies
+# system requirements). Use for packages that depend on rjags/runjags/jagsUI/R2jags.
 on:
   push:
     branches: [main, master]
   pull_request:
     branches: [main, master]
+
 name: R-CMD-check
 
 permissions: read-all
@@ -20,14 +22,10 @@ jobs:
       matrix:
         config:
           - {os: macos-latest,   r: 'release'}
-
           - {os: windows-latest, r: 'release'}
-          # use 4.0 or 4.1 to check with rtools40's older compiler
-          - {os: windows-latest, r: 'oldrel-4'}
-
-          - {os: ubuntu-latest,  r: 'devel', http-user-agent: 'release'}
-          - {os: ubuntu-latest,  r: 'release'}
-          - {os: ubuntu-latest,  r: 'oldrel-1'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
@@ -38,6 +36,23 @@ jobs:
 
       - uses: r-lib/actions/setup-pandoc@v2
 
+      - name: Install JAGS (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          curl -o wjags.pkg -L0 -k --url https://downloads.sourceforge.net/project/mcmc-jags/JAGS/4.x/Mac%20OS%20X/JAGS-4.3.2.pkg
+          sudo installer -pkg wjags.pkg -target /
+          rm wjags.pkg
+
+      - name: Download JAGS (Windows)
+        if: runner.os == 'Windows'
+        run: (New-Object System.Net.WebClient).DownloadFile('https://github.com/poissonconsulting/jags-win/raw/main/JAGS-4.3.1.exe', 'C:\JAGS-4.3.1.exe')
+        shell: powershell
+
+      - name: Install JAGS (Windows)
+        if: runner.os == 'Windows'
+        run: C:\JAGS-4.3.1.exe /S
+        shell: cmd
+
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}

.github/workflows/test-coverage.yaml

@@ -6,7 +6,7 @@ on:
   pull_request:
     branches: [main, master]
 
-name: test-coverage
+name: test-coverage.yaml
 
 permissions: read-all