qubes-doc/developer/code/source-code.md
Marek Marczykowski-Górecki 3806ecf338
Remove extra newlines at the beginning/end of files
Those are redundant, and yaml parser strips them in fact. By removing
them, loading and saving yaml file without any change indeed produce the
same output. This is useful for prepare_for_translation.py script (which
adds lang and ref tags) - to produce only change that indeed was made.
2021-06-24 16:07:23 +02:00

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---
lang: en
layout: doc
permalink: /doc/source-code/
redirect_from:
- /en/doc/source-code/
- /doc/SourceCode/
- /wiki/SourceCode/
ref: 54
title: Source Code
---
All the Qubes code is kept in Git repositories. We have divided the project into
several components, each of which has its own separate repository, for example:
* `core-admin.git` -- The core Qubes infrastructure, responsible for VM
management, VM templates, fs sharing, etc.
* `gui-daemon.git` -- GUI virtualization, Dom0 side.
* `gui-agent-linux.git` -- GUI virtualization, Linux VM side.
* `linux-template-builder.git` -- Scripts and other files used to create Qubes
template images.
All of our repositories are available under the [QubesOS GitHub account](https://github.com/QubesOS/).
To clone a repository:
~~~
git clone https://github.com/QubesOS/qubes-<repo_name>.git <repo_name>
~~~
e.g.:
~~~
git clone https://github.com/QubesOS/qubes-core-admin.git core-admin
~~~
To build Qubes you do not need to download all these repositories.
If you use [qubes builder](/doc/QubesBuilder/) you can specify *what* you want to build, and download only the repositories needed to build that target.
If you really do want to clone **all** of the repositories, you can use these commands:
~~~
curl "https://api.github.com/orgs/QubesOS/repos?page=1&per_page=100" | grep -e 'clone_url*' | cut -d \" -f 4 | xargs -L1 git clone
curl "https://api.github.com/orgs/QubesOS/repos?page=2&per_page=100" | grep -e 'clone_url*' | cut -d \" -f 4 | xargs -L1 git clone
~~~
To update (git fetch) **all** of these repositories :
~~~
find . -mindepth 1 -maxdepth 1 -type d -exec git -C {} fetch --tags --recurse-submodules=on-demand --all \;
~~~
(Alternatively, you can pull instead of just fetching.)
How to Send Patches
-------------------
If you want to [contribute code](/doc/contributing/#contributing-code) to the project, there are two ways. Whichever
method you choose, you must [sign your code](/doc/code-signing/) before it can be accepted.
* **Preferred**: Use GitHub's [fork & pull requests](https://guides.github.com/activities/forking/).
Opening a pull request on GitHub greatly eases the code review and tracking
process. In addition, especially for bigger changes, it's a good idea to send
a message to the [qubes-devel mailing list](/support/#qubes-devel) in order to notify people who
do not receive GitHub notifications.
* Send a patch to the [qubes-devel mailing list](/support/#qubes-devel) (`git format-patch`).
1. Make all the changes in your working directory, i.e. edit files, move them
around (you can use 'git mv' for this), etc.
2. Add the changes and commit them (`git add`, `git commit`). Never mix
different changes into one commit! Write a good description of the commit.
The first line should contain a short summary, and then, if you feel like
more explanations are needed, enter an empty new line, and then start the
long, detailed description (optional).
3. Test your changes NOW: check if RPMs build fine, etc.
4. Create the patch using `git format-patch`. This has an advantage over
`git diff`, because the former will also include your commit message, your
name and email, so that *your* name will be used as a commit's author.
5. Send your patch to `qubes-devel`. Start the message subject with
`[PATCH]`.