Sync GitHub organization avatars to Gitea

sync-org-avatar.js

@@ -0,0 +1,20 @@
+const syncOrgAvatar = async (org, giteaApi, headers) => {
+  if (!org.avatar_url) return false;
+
+  const avatar = await fetch(org.avatar_url, { signal: AbortSignal.timeout(30_000) });
+  if (!avatar.ok) throw new Error(`GitHub avatar download failed: ${avatar.status}`);
+
+  const image = Buffer.from(await avatar.arrayBuffer());
+  if (!image.length) throw new Error('GitHub avatar is empty');
+
+  const upload = await fetch(`${giteaApi}/orgs/${encodeURIComponent(org.login)}/avatar`, {
+    method: 'POST',
+    headers,
+    body: JSON.stringify({ image: image.toString('base64') }),
+    signal: AbortSignal.timeout(30_000)
+  });
+  if (!upload.ok) throw new Error(`Gitea avatar upload failed: ${upload.status} ${await upload.text()}`);
+  return true;
+};
+
+module.exports = syncOrgAvatar;