Handle existing releases gracefully, validate release IDs

.gitea/workflows/build.yml

@@ -36,7 +36,16 @@ jobs:
           DEB=$(ls build/*.deb)
           FILENAME=$(basename "${DEB}")
 
-          # Create release (ignore conflict if exists)
+          # Delete existing release for this tag if any
+          OLD_ID=$(curl -s -H "Authorization: token ${TOKEN}" \
+            "${API}/repos/${REPO}/releases/tags/${TAG}" | jq -r '.id // empty')
+          if [ -n "${OLD_ID}" ] && [ "${OLD_ID}" != "null" ]; then
+            echo "Deleting existing release ${OLD_ID}..."
+            curl -s -X DELETE -H "Authorization: token ${TOKEN}" \
+              "${API}/repos/${REPO}/releases/${OLD_ID}"
+          fi
+
+          # Create release
           RELEASE_ID=$(curl -s -X POST \
             -H "Authorization: token ${TOKEN}" \
             -H "Content-Type: application/json" \
@@ -44,6 +53,11 @@ jobs:
             "${API}/repos/${REPO}/releases" | jq -r '.id')
           echo "Release ID: ${RELEASE_ID}"
 
+          if [ -z "${RELEASE_ID}" ] || [ "${RELEASE_ID}" = "null" ]; then
+            echo "ERROR: Failed to create release"
+            exit 1
+          fi
+
           # Attach amd64 deb
           curl --fail -X POST \
             -H "Authorization: token ${TOKEN}" \
@@ -88,6 +102,11 @@ jobs:
             "${API}/repos/${REPO}/releases/tags/${TAG}" | jq -r '.id')
           echo "Release ID: ${RELEASE_ID}"
 
+          if [ -z "${RELEASE_ID}" ] || [ "${RELEASE_ID}" = "null" ]; then
+            echo "ERROR: Release not found for tag ${TAG}"
+            exit 1
+          fi
+
           # Attach arm64 deb
           curl --fail -X POST \
             -H "Authorization: token ${TOKEN}" \