错误

$ git push origin master
Enumerating objects: 338, done.
Counting objects: 100% (338/338), done.
Delta compression using up to 6 threads.
Compressing objects: 100% (314/314), done.
Writing objects: 100% (336/336), 4.39 MiB | 15.84 MiB/s, done.
Total 336 (delta 25), reused 0 (delta 0)
error: RPC failed; HTTP 413 curl 22 The requested URL returned error: 413 Request Entity Too Large
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date

出现这个问题是因为我在服务器上用 Nginx 对 Gogs 反向代理，一次性提交代码量太多了，超出了 Nginx 的限制。
修改nginx配置

server {
    listen 80;
    server_name git.example.com;

    # 设置最大为 50 M
    client_max_body_size 50m;

    location / {
        # 3000 是 Gogs 运行的端口
        proxy_pass http://localhost:3000; 
    }
}