feat: publish Gitea releases via Gitea Actions runner

scripts/publish-gitea-actions.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# Gitea Actions publisher: download a GitHub release's assets and publish
+# them to the local Gitea instance over the LAN interface (bypassing the
+# public reverse proxy, which times out on large uploads).
+set -euo pipefail
+
+GITHUB_REPO="${GITHUB_REPO:-TommyFang2077/dsh-easy-desktop}"
+REPO_OWNER="${GITEA_OWNER:-TomHanck4}"
+REPO_NAME="${GITEA_REPO:-dsh-easy-desktop}"
+GITEA_BASE_URL="${GITEA_BASE_URL:-http://192.168.30.33:3000}"
+PACKAGE_BASE_URL="${PACKAGE_BASE_URL:-https://git.fangsiyuan.top/api/packages/TomHanck4/generic/dsh-easy-desktop-updater}"
+RELEASE_TAG="${RELEASE_TAG:-latest}"
+: "${GITEA_TOKEN:?GITEA_TOKEN is required}"
+
+if [[ "$RELEASE_TAG" == "latest" ]]; then
+  RELEASE_TAG=$(curl -fsS "https://api.github.com/repos/$GITHUB_REPO/releases?per_page=1" | jq -r '.[0].tag_name')
+fi
+[[ -n "$RELEASE_TAG" && "$RELEASE_TAG" != "null" ]] || {
+  echo "no GitHub release found" >&2
+  exit 1
+}
+VERSION="${RELEASE_TAG#v}"
+echo "target: $RELEASE_TAG ($VERSION)"
+echo "gitea:   $GITEA_BASE_URL"
+
+if curl -fsS -H "Authorization: token $GITEA_TOKEN" \
+  "$GITEA_BASE_URL/api/v1/repos/$REPO_OWNER/$REPO_NAME/releases/tags/$RELEASE_TAG" >/dev/null 2>&1; then
+  echo "release $RELEASE_TAG already published on Gitea; nothing to do"
+  exit 0
+fi
+
+rm -rf artifacts staged
+mkdir -p artifacts
+
+curl -fsS "https://api.github.com/repos/$GITHUB_REPO/releases/tags/$RELEASE_TAG" -o /tmp/release.json
+jq -r '.assets[].browser_download_url' /tmp/release.json | while read -r url; do
+  curl -fsSL --retry 3 --retry-delay 5 -o "artifacts/$(basename "$url")" "$url" &
+done
+wait
+echo "downloaded $(find artifacts -type f | wc -l) assets"
+
+python3 build-gitea-update.py \
+  --flat-artifacts artifacts \
+  --output staged \
+  --version "$VERSION" \
+  --pub-date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+  --package-base-url "$PACKAGE_BASE_URL"
+
+bash publish-gitea-release.sh staged
+echo "published $RELEASE_TAG to Gitea"