Allow download sources from Gitlab with any name https://gitlab.tld/sources/GROUP/PROJECT/repository/master/PROJECT-v0.1.tar.gz

gitlab-filename.conf

# include to your server{}

  location /sources/ {
    allow                   192.168.0.0/16; # infrastructure
    deny                    all;

    rewrite ^\/sources\/(.*)\/.*?\.(tar\.gz|zip|tar\.bz2|tar)$ /private/$1/archive.$2;
  }
  
  location /private/ {
    internal;
    
    gzip                    off;

    proxy_read_timeout      300;
    proxy_connect_timeout   300;
    proxy_redirect          off;

    proxy_set_header        Host                $http_host;
    proxy_set_header        X-Forwarded-Proto   https;
    proxy_set_header        X-Real-IP           $remote_addr;
    proxy_set_header        X-Forwarded-For     $proxy_add_x_forwarded_for;
    proxy_set_header        X-Frame-Options     SAMEORIGIN;
    proxy_set_header        PRIVATE-TOKEN       YOURPRIVATETOKEN_GENERATED_WITH_GITLAB;

    proxy_pass http://gitlab/;
  }