Working with multiple git repositories

Scenario

There are three machines: Server, Working machine, home machine. The server hosts a git repository. And eventually all codes will end up to the server.

Working machine is where i do most of my daily development, and the changes will be pushed to the server.

Occasionally, i also do coding at home. And sometimes i would like to push changes to the server directly. and sometimes i would like to push them to my working machine, and then continue working on the next day.

Of course i can also create a temp feature branch on the server and then checkout that branch on my working machine the next day. But that's not what i want. I want to push them directly to my working machine.

I am showing do a demo from scratch:

On the server side:

Setting up a reposotory:

mkdir project.git
cd project.git
git --bare init

On working machine:

git clone git@gitserver:/opt/git/project.git
cd project

# Do daily commits, pulls and pushes, nothing special.
...

On home machine

git clone git@gitserver:/opt/git/project.git
cd project

now you already have a remote location called "origin", and your local master is pointing to "origin/master".

Then add another remote, which is your working machine:

git remote add working_machine username@working-machine:/your/path/to/project

setup a remote tracking branch that tracks "working_machine/master":

git checkout -b working_master working_machine/master

so now you have

master -> origin/master 
working_master -> working_machine/master

you can push to either "origin/master" or "working_mashine/master" by

git checkout master
# some commits
git push origin master

git checkout working_master
# some commits
git push working_machine master

Or push some feature branches

git checkout feature1
git push -u origin feature1

git checkout feature2
git push -u working_machine feature2

Some errors

remote: error: refusing to update checked out branch: refs/heads/master
remote: error: By default, updating the current branch in a non-bare repository
remote: error: is denied, because it will make the index and work tree inconsist                                                                                        ent
remote: error: with what you pushed, and will require 'git reset --hard' to matc                                                                                        h
remote: error: the work tree to HEAD.
remote: error:
remote: error: You can set 'receive.denyCurrentBranch' configuration variable t
remote: error: 'ignore' or 'warn' in the remote repository to allow pushing int
remote: error: its current branch; however, this is not recommended unless you
remote: error: arranged to update its work tree to match what you pushed in som
remote: error: other way.
remote: error:
remote: error: To squelch this message and still keep the default behaviour, se
remote: error: 'receive.denyCurrentBranch' configuration variable to 'refuse'.

You need to make sure that the branch that you are going to push to is not checked out on the remote machine.

You asked me to pull without telling me which branch you
want to merge with, and 'branch.aa.merge' in
your configuration file does not tell me, either. Please
specify which branch you want to use on the command line and
try again (e.g. 'git pull <repository> <refspec>').
See git-pull(1) for details.

If you often merge with the same branch, you may want to
use something like the following in your configuration file:
    [branch "aa"]
    remote = <nickname>
    merge = <remote-ref>

    [remote "<nickname>"]
    url = <url>
    fetch = <refspec>

See git-config(1) for details.

make sure that you have set the upstream tracking branch:

git branch --set-upstream feature origin/feature

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