Git: Pushing to other fork

Objective:

You clone someone else fork and wants to push in your fork

I created a fork (let’s call it myrepo) of another repository (let’s call it orirepo) on GitHub. Later, I cloned orirepo.

git clone https://github.com/original/orirepo.git

I modified about 20 files, then I staged my change and made a commit

git add
git commit

However, when I tried to push

git push

I got this error:

remote: Permission to original/orirepo.git denied to mylogin.
fatal: unable to access 'https://github.com/original/orirepo.git/': The requested URL returned error: 403

 

Solution:

By default, when you clone a repository

then

  • the local config of the resulting clone lists only one remote called origin, which is associated with the URL of the repository you cloned;
  • the local master branch in your clone is set to track origin/master.

Therefore, if you don’t modify the config of your clone, Git interprets

git push

as

git push origin master:origin/master

In other words, git push attempts to push your local master branch to the master branch that resides on the remote repository (known by your clone as origin). However, you’re not allowed to do that, because you don’t have write access to that remote repository.

You need to

  1. either redefine the origin remote to be associated with your fork, by running
    git remote set-url origin https://github.com/RemiB/myrepo.git
    
  2. or, if you want to preserve the original definition of the origin remote, define a new remote (called myrepo, here) that is associated to your fork:
    git remote add myrepo https://github.com/RemiB/myrepo.git
    

    Then you should be able to push your local master branch to your fork by running

    git push myrepo master
    

    And if you want to tell Git that git push should push to myrepo instead of origin from now on, you should run

    git push -u myrepo master
    

instead.

 

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