chore(gitea): add bootstrap-gitea-repo.sh for initial README commit

Co-authored-by: Cursor <cursoragent@cursor.com>

tools/fractured-launcher-electron/README.md

@@ -103,7 +103,7 @@ CI workflow **Sync release to Gitea** (`.github/workflows/gitea-release-sync.yml
 4. **Repo name guard** — Jobs use `if: github.repository == 'Dawnforger/Fractured'`. Forks or renames must change that line or runs are skipped.
 5. **Secrets** — **`GITEA_BASE_URL`**, **`GITEA_TOKEN`**, **`GITEA_OWNER`**, **`GITEA_REPO`** must be set under **Settings → Secrets and variables → Actions**. A failed “Upload to Gitea” step usually prints which is missing.
 6. **Actions tab** — Open the latest **Sync release to Gitea** run; a red **build-electron** (old tag without `package-lock.json`, etc.) or **Upload to Gitea** step shows the real error.
-7. **HTTP 422 `repo is empty`** — The Gitea repo has **no commits** yet. Push any initial commit (e.g. **Add README** in the Gitea web UI, or `git push` to **`main`**). Optionally set **`GITEA_TARGET_REF`** to match your real default branch if it is not **`main`**.
+7. **HTTP 422 `repo is empty`** — The Gitea repo has **no commits** yet. Push any initial commit (e.g. **Add README** in the Gitea web UI, or `git push` to **`main`**). Optionally set **`GITEA_TARGET_REF`** to match your real default branch if it is not **`main`**. From this repo you can run **`scripts/bootstrap-gitea-repo.sh`** (see script header for `GITEA_*` env or pass the HTTPS/SSH clone URL as the first argument).
 
 ### Private Gitea token for players
 

tools/fractured-launcher-electron/scripts/bootstrap-gitea-repo.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# Push a one-file README so the Gitea repo is non-empty (fixes HTTP 422 "repo is empty"
+# when CI creates a release). Safe to re-run only if the repo still has no commits;
+# if it already has history, skip or use the Gitea web UI instead.
+#
+# Usage:
+#   export GITEA_BASE_URL=https://git.example.com
+#   export GITEA_OWNER=myorg
+#   export GITEA_REPO=fractured-patches
+#   ./bootstrap-gitea-repo.sh
+#
+# Or pass an explicit clone URL (HTTPS or SSH):
+#   ./bootstrap-gitea-repo.sh https://git.example.com/myorg/fractured-patches.git
+#
+set -euo pipefail
+
+BRANCH="${GITEA_TARGET_REF:-main}"
+
+if [ "${1:-}" != "" ]; then
+  URL="$1"
+else
+  : "${GITEA_BASE_URL:?Set GITEA_BASE_URL or pass clone URL as first argument}"
+  : "${GITEA_OWNER:?Set GITEA_OWNER or pass clone URL as first argument}"
+  : "${GITEA_REPO:?Set GITEA_REPO or pass clone URL as first argument}"
+  BASE="${GITEA_BASE_URL%/}"
+  URL="${BASE}/${GITEA_OWNER}/${GITEA_REPO}.git"
+fi
+
+TMP=$(mktemp -d)
+trap 'rm -rf "$TMP"' EXIT
+cd "$TMP"
+
+git init -q
+git checkout -q -b "$BRANCH"
+
+cat >README.md <<'EOF'
+# Fractured release mirror
+
+Release assets (launcher builds, patches, `patch-manifest.json`, etc.) are uploaded here by **GitHub Actions** (“Sync release to Gitea”) from the main Fractured repository.
+
+This initial commit exists because **Gitea requires at least one commit** in the repository before releases can be created.
+EOF
+
+git add README.md
+git commit -q -m "chore: initial commit (required for Gitea releases)"
+
+git remote add origin "$URL"
+git push -u origin "$BRANCH"
+
+echo "Pushed initial README to $URL (branch $BRANCH)."