title: error "Connection to gitlab.com closed by remote host." when pushing to gitlab
body: <p>when i try to push some data (like x.txt) to gitlab it's success. but when i try push my project, show this error. here is my command :</p>
  
  <pre><code>$ git init
  $ git remote add origin git@gitlab.com:armafri/new.git
  $ git add .
  $ git commit -m "test"
  $ git push origin master
  </code></pre>
  
  <p>this is that error</p>
  
  <blockquote>
    <p>Connection to gitlab.com closed by remote host.
    fatal: sha1 file '' writeerror: Broken pipe
    fatal: The remote end hung up unexpectedlyerror: failed to push some refs to 'git@gitlab.com:armafri/new.git'</p>
  </blockquote>
  
  <p>I have tried this command</p>
  
  <pre><code>$ git config http.postBuffer 72428800
  </code></pre>
  
  <p>but still show that error.
  can you help me please?</p>
  
  <p>ps :
   1. file size is only 70mb
   2. i've tried git push -u or --force</p>