fix: retry Gitea publish through slow mainland link

scripts/publish-gitea-release.sh

@@ -14,18 +14,41 @@ API="${GITEA_BASE_URL%/}/api/v1/repos/${GITEA_OWNER}/${GITEA_REPO}"
 PACKAGE_BASE="${GITEA_BASE_URL%/}/api/packages/${GITEA_OWNER}/generic/dsh-easy-desktop-updater"
 AUTH="Authorization: token ${GITEA_TOKEN}"
 
-# The Gitea repository is a pull mirror. Sync the GitHub tag before creating
-# the matching Gitea release, then wait until the tag is queryable.
-curl --fail --silent --show-error -X POST -H "$AUTH" "$API/mirror-sync" >/dev/null
-for _ in $(seq 1 30); do
+# Retry transient gateway errors (504) coming from the front proxy while the
+# NAS reaches github.com over a mainland link: requests can stall past the
+# proxy read timeout. 404s are NOT retried here (release/package state).
+curl_retry() {
+  local attempts=0
+  while ! "$@"; do
+    attempts=$((attempts + 1))
+    if (( attempts >= 4 )); then
+      echo "curl failed after 4 attempts: $*" >&2
+      return 1
+    fi
+    echo "curl transient failure (attempt ${attempts}/3), retrying: $*" >&2
+    sleep 10
+  done
+}
+
+# The Gitea repository is a pull mirror. Kick a background sync; the trigger
+# response itself is irrelevant (it can 504 while the sync runs on Gitea).
+# The tag poll below is the actual gate.
+curl --silent --show-error -X POST -H "$AUTH" "$API/mirror-sync" >/dev/null || true
+
+# Wait (up to 10 min) until the tag has synced; then fail loudly if it never did.
+for _ in $(seq 1 60); do
   if curl --fail --silent --show-error -H "$AUTH" "$API/tags/$RELEASE_TAG" >/dev/null 2>&1; then
+    synced=1
     break
   fi
   sleep 10
 done
-curl --fail --silent --show-error -H "$AUTH" "$API/tags/$RELEASE_TAG" >/dev/null
+[[ "${synced:-0}" == 1 ]] || {
+  echo "tag $RELEASE_TAG did not appear on the Gitea mirror after 10 minutes" >&2
+  exit 1
+}
 
-release_json=$(curl --silent --show-error -H "$AUTH" "$API/releases/tags/$RELEASE_TAG")
+release_json=$(curl_retry curl --fail --silent --show-error -H "$AUTH" "$API/releases/tags/$RELEASE_TAG")
 release_id=$(printf '%s' "$release_json" | jq -r '.id // empty')
 if [[ -z "$release_id" ]]; then
   release_payload=$(jq -n \
@@ -33,7 +56,7 @@ if [[ -z "$release_id" ]]; then
     --arg name "DeepSeek Harness Desktop $RELEASE_TAG" \
     --arg body "大陆镜像安装包；文件与 GitHub Release 同源。应用内更新包由 Tauri 签名校验。" \
     '{tag_name:$tag,target_commitish:$tag,name:$name,body:$body,draft:false,prerelease:false}')
-  release_json=$(curl --fail --silent --show-error \
+  release_json=$(curl_retry curl --fail --silent --show-error \
     -X POST -H "$AUTH" -H 'Content-Type: application/json' \
     --data "$release_payload" "$API/releases")
   release_id=$(printf '%s' "$release_json" | jq -r '.id')
@@ -44,17 +67,17 @@ curl --silent --show-error -X DELETE -H "$AUTH" \
   "$PACKAGE_BASE/$RELEASE_VERSION" >/dev/null || true
 for file in "$STAGING_DIR"/*; do
   [[ -f "$file" && "$(basename "$file")" != "latest.json" ]] || continue
-  curl --fail --silent --show-error -H "$AUTH" --upload-file "$file" \
+  curl_retry curl --fail --silent --show-error -H "$AUTH" --upload-file "$file" \
     "$PACKAGE_BASE/$RELEASE_VERSION/$(basename "$file")" >/dev/null
 done
 
 # Stable updater endpoint. Gitea generic packages are immutable, so replace
 # the synthetic "latest" version on each completed release.
 curl --silent --show-error -X DELETE -H "$AUTH" "$PACKAGE_BASE/latest" >/dev/null || true
-curl --fail --silent --show-error -H "$AUTH" --upload-file "$STAGING_DIR/latest.json" \
+curl_retry curl --fail --silent --show-error -H "$AUTH" --upload-file "$STAGING_DIR/latest.json" \
   "$PACKAGE_BASE/latest/latest.json" >/dev/null
 
-assets=$(curl --fail --silent --show-error -H "$AUTH" "$API/releases/$release_id/assets")
+assets=$(curl_retry curl --fail --silent --show-error -H "$AUTH" "$API/releases/$release_id/assets")
 for file in "$STAGING_DIR"/*; do
   [[ -f "$file" ]] || continue
   name=$(basename "$file")
@@ -64,9 +87,9 @@ for file in "$STAGING_DIR"/*; do
   esac
   old_id=$(printf '%s' "$assets" | jq -r --arg name "$name" '[.[] | select(.name == $name) | .id][0] // empty')
   if [[ -n "$old_id" ]]; then
-    curl --fail --silent --show-error -X DELETE -H "$AUTH" \
+    curl_retry curl --fail --silent --show-error -X DELETE -H "$AUTH" \
       "$API/releases/$release_id/assets/$old_id" >/dev/null
   fi
-  curl --fail --silent --show-error -H "$AUTH" \
+  curl_retry curl --fail --silent --show-error -H "$AUTH" \
     -F "attachment=@$file" "$API/releases/$release_id/assets?name=$name" >/dev/null
 done