knitr::opts_chunk$set( collapse = TRUE, comment = "#>" )
Clicking on a question will reveal the answer.
How can I prepare a pull request without a clean master branch?
If you want to contribute some of your code to the official mizer code at
https://github.com/sizespectrum/mizer you need to first create a branch in your
repository that differs from the master branch of sizespectrum/mizer only by
the code that you want to contribute, not by any other changes that you may
have made in your fork. This answer explains how.
We assume that you have not followed the recommendation of keeping your master branch identical with that at sizespectrum/master, because if you had you could simply follow the procedure described in the "Working with git and GitHub" tutorial. Given that your master branch differs from that at sizespectrum/mizer, you need to create a new branch not from your master branch but directly from that at sizespectrum/master. Follow the following steps:
Go to the "Terminal" tab in RStudio. This should be the tab next to the "Console" tab. If it is not there and you don't know why not, then you are possibly running an old version of RStudio and you will want to update to a newer version, which is easy from the Help menu under "Check for Updates".
Make sure you have set the upstream repository correctly. You can check this with the command in the terminal
git remote -v
If that does not list sizespectrum/mizer as the upstream repository for both fetch and push, then you should execute the command
git remote add upstream https://github.com/sizespectrum/mizer.git
git fetch upstream git checkout -b name_of_your_branch upstream/master git push --set-upstream origin name_of_your_branch
where you should replace both name_of_your_branch
with the actual name that you
have chosen for you branch.
You now have a new branch that is identical to sizespectrum/master. You can now commit the relevant new code to this branch and create a pull request, as described in the "Working with git and GitHub" tutorial
How can I get a clean master branch?
The recommended way of working in your fork of the mizer project is to keep the
master branch of your repository always in sync with the master branch at
https://github.com/sizespectrum/mizer, and to create a feature branch for any of
your code changes, as is explained in the
"Creating a branch"
section of the "Working with
git and GitHub" tutorial. Note however that having a clean master branch is not
a prerequisite to making pull requests, see the answer to
"How can I prepare a pull request without a clean master branch?" above.
However if you would like to have a clean master branch, you can follow these steps:
In the dialog box enter a name for your new branch and click "Create".
Go to the "Terminal" tab in RStudio. This should be the tab next to the "Console" tab. If it is not there and you don't know why not, then you are possibly running a very old version of RStudio and you will want to update to a newer version, which is easy from the Help menu under "Check for Updates".
Make sure you have set the upstream repository correctly. You can check this with the command in the terminal
git remote -v
If that does not list sizespectrum/mizer as the upstream repository for both fetch and push, then you should execute the command
git remote add upstream https://github.com/sizespectrum/mizer.git
git checkout master git pull upstream master git reset --hard upstream/master git push origin master --force
Now both your local repository and your GitHub repository have the master branch identical to the official master branch. You can now create new feature branches by branching off from this master branch in preparation for submitting pull requests, as explained in the "Working with git and GitHub" tutorial.
You can of course still get at your modified code by switching to the branch you created in the first step above.
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