Updates were rejected because the tip of your current branch is its remote counterpart. Integrate the remote changes before pushing again. See the 'Note about fast-forwards' in 'git push --help' for details. code example
Example 1: git updates were rejected because the tip of your current branch is behind
git push -f origin master
Example 2: updates were rejected because the tip of your current branch is behind
# You can force push your local code status by -f
# Do this, if you are sure that your commit status in local should be reflected in remote too.
git push -f origin master