check if different brapi release

Author: Guy Davenport

.github/workflows/generate.yml

@@ -36,11 +36,23 @@ jobs:
           ssh-key: ${{ secrets.DEPLOY_KEY }}
           path: main
 
+      - name: Set BrAPI branch
+        id: set-brapi-branch
+        run: |
+          if [[ "${GITHUB_REF##*/}" == "main" ]]; then
+            echo "BRAPI_BRANCH=" >> "$GITHUB_ENV"
+          elif [[ "${GITHUB_REF##*/}" == brapi-V* ]]; then
+            echo "BRAPI_BRANCH=${GITHUB_REF##*/}" >> "$GITHUB_ENV"
+          else
+            echo "BRAPI_BRANCH=" >> "$GITHUB_ENV"
+          fi
+
       - name: Checkout BrAPI repo to temp directory
         uses: actions/checkout@v4
         with:
           repository: plantbreeding/BrAPI
           path: BrAPI
+          ref: ${{ env.BRAPI_BRANCH }}
 
       - name: Set up JDK 21
         uses: actions/setup-java@v4