Implement retry mechanism for attic push commands in build workflows to enhance reliability and prevent pipeline failures. Update cache push logic in build-on-push, build-schemes, and weekly-build-cache workflows.

.gitea/workflows/build-schemes.yml

@@ -36,9 +36,36 @@ jobs:
           attic login servidos http://127.0.0.1:2343 ${{ secrets.ATTIC_TOKEN }}
 
       - name: Build and push all schemes
+        continue-on-error: true
         run: |
           echo "Building and pushing all schemes..."
 
+          # Retry function for attic push commands
+          retry_attic_push() {
+            local max_attempts=5
+            local attempt=1
+            local command="$@"
+            
+            while [ $attempt -le $max_attempts ]; do
+              echo "Attempt $attempt/$max_attempts: $command"
+              if eval "$command"; then
+                echo "✓ Successfully pushed to cache on attempt $attempt"
+                return 0
+              else
+                local exit_code=$?
+                echo "✗ Attempt $attempt failed with exit code $exit_code"
+                if [ $attempt -lt $max_attempts ]; then
+                  echo "Waiting 2 seconds before retry..."
+                  sleep 2
+                fi
+                attempt=$((attempt + 1))
+              fi
+            done
+            
+            echo "⚠️ Failed to push to cache after $max_attempts attempts. Continuing anyway..."
+            return 0  # Don't fail the pipeline
+          }
+
           # Store original scheme
           ORIGINAL_SCHEME=$(grep -oP "scheme = schemesFile\.schemes\.\K\w+" config/stylix.nix)
           echo "Original scheme: $ORIGINAL_SCHEME"
@@ -61,14 +88,17 @@ jobs:
               --out-link ./result-$scheme \
               --quiet
 
-            # Push to cache
+            # Push to cache with retry
             echo "Pushing $scheme to cache..."
-            attic push servidos:nixos ./result-$scheme
+            retry_attic_push "attic push servidos:nixos ./result-$scheme"
 
             # Also push using print-out-paths for better cache coverage
-            nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
+            build_path=$(nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
               --print-out-paths \
-              --quiet | attic push servidos:nixos --stdin
+              --quiet 2>/dev/null || echo "")
+            if [ -n "$build_path" ]; then
+              retry_attic_push "echo \"$build_path\" | attic push servidos:nixos --stdin"
+            fi
 
             echo "✓ Completed $scheme"
             echo ""