fix: add GDAL_HTTP_MAX_RETRY to workflows and retry loop to Quarto render step

Author: Robinlovelace

.github/workflows/pr.yml

@@ -7,6 +7,9 @@ on:
 jobs:
   build-check:
     runs-on: ubuntu-latest
+    env:
+      GDAL_HTTP_MAX_RETRY: 5
+      GDAL_HTTP_RETRY_DELAY: 2
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
@@ -34,4 +37,13 @@ jobs:
           python3 -m pip install jupyter jupyter-cache
 
       - name: Build Quarto Project
-        run: quarto render
+        run: |
+          # Retry Quarto rendering up to 3 times to handle transient 504 redirect errors
+          for i in {1..3}; do
+            if quarto render; then
+              exit 0
+            fi
+            echo "Quarto render failed (attempt $i/3), retrying in 10 seconds..."
+            sleep 10
+          done
+          exit 1

.github/workflows/publish.yml

@@ -10,8 +10,12 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+    env:
+      GDAL_HTTP_MAX_RETRY: 5
+      GDAL_HTTP_RETRY_DELAY: 2
     steps:
       - name: Check out repository
+
         uses: actions/checkout@v4
 
       - name: Set up Quarto