title: How do I fix refs heads errors?
body: <p>git fetch github +refs/heads/n:refs/remotes/github/n
  fatal: Couldn't find remote ref refs/heads/n
  : git fetch github +refs/heads/n-caf:refs/remotes/github/n-caf
  fatal: Not a git repository: '/home/movingshadowninja/DU/.repo/projects/kernel/oneplus/msm8994.git'</p>
  
  <p>: export GIT_DIR=/home/movingshadowninja/DU/.repo/projects/device/oppo/common.git</p>
  
  <p>I keep getting this errors how do I go about fixing it? </p>