SpaceVim/docs/development.md

title	description
Development	General contributing guidelines and changelog of SpaceVim, including development information about SpaceVim

Development

• Asking for help
• Reporting bugs
• Requesting new feature
• Contributing code
  • License
  • Conventions
  • Commit style guide
  • Pull Request
    • Prefix of title
    • Workflow
    • Simple PRs
    • Complex PRs
  • Contributing a layer
    • File header
    • Author of a new layer
    • Contributor to an existing layer
    • Contributing a keybinding
      • Language specified key bindings
    • Contributing a banner
• Build with SpaceVim
• Newsletters
• Changelog

SpaceVim is a joint effort of all contributors. We encourage you to participate in SpaceVim's development. This page describes the entire development process of SpaceVim.

We have some guidelines that we need all contributors to follow. You can only think about reading the part that is relevant to what you are going to do:

• Asking for help: if you are about to open an issue to ask a question.
• Requesting new feature: if you want a new feature.
• Reporting bugs: if you run into a bug.
• Contributing code: if you are about to send a pull-request.

Asking for help

If you have any questions about using SpaceVim, check out the following context first, which may contain the answers:

• :h SpaceVim-faq: Some of the most frequently asked questions are answered there.
• SpaceVim documentation: It is the general documentation of SpaceVim.

Besides, you can also chat with us

Reporting bugs

If you run into a bug, please follow the guidelines below to give feedback.

• Check that no duplicate issue in issue tracker
• Check that the issue has not been fixed in latest version of SpaceVim, please update your SpaceVim, and try to reproduce the bug here.
• Use a clear title with bug reporting issue template

<!-- bug reporting without issue template will be closed automatically -->
## Expected behavior, english is required

## The reproduce ways from Vim starting (Required!)

## Debug info
<!-- Please press SPC h I, debug info will be put into clipboard, -->
<!-- then paste all content below. -->

## Screenshots
<!-- If you have any screenshots for this issue, -->
<!-- please upload here. -->
<!-- BTW you can use https://asciinema.org/ for recording video in terminal. -->

Requesting new feature

If you want a new feature, use the github issue tracker to file a new issue. You need to choose a concise title and refine the content in the issue template:

**Is your feature request related to a problem? Please describe.**
<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->

**Describe the solution you'd like**
<!-- A clear and concise description of what you want to happen. -->

**Describe alternatives you've considered**
<!-- A clear and concise description of any alternative solutions or features you've considered. -->

**Additional context**
<!-- Add any other context or screenshots about the feature request here. -->

Contributing code

Code and documentation contributions of any kind are welcome. Please read the following sections carefully. In any case, feel free to chat with us to ask questions about contributing!

License

The license is GPLv3 for all the parts of SpaceVim. This includes:

• The initialization and core files.
• All the layer files.
• The documentation

For files not belonging to SpaceVim like bundle packages, refer to the header file. Those files should not have an empty header, we may not accept code without a proper header file.

Conventions

SpaceVim is based on conventions, mainly for naming functions, keybindings definition and writing documentation. Please read these conventions to make sure you understand them before you contribute code or documentation for the first time.

Commit style guide

A git commit message consists a three distinct parts separated by black line.

Type (scope): Subject

body

footer

types:

• feat: a new feature
• fix: a bug fix
• docs: changes to documentation
• style: formatting, missing semi colons, etc; no code change
• refactor: refactoring production code
• test: adding tests, refactoring test; no production code change
• chore: updating build tasks, package manager configs, etc; no production code change

scopes:

• core: vim script in autoload/SpaceVim/ directory
• layer: vim script in autoload/SpaceVim/layers/ directory
• api: vim script in autoload/SpaceVim/api/ directory
• plugin: vim script in autoload/SpaceVim/plugins/ directory
• bundle: files in bundle/ directory

subject:

Subjects should be no greater than 50 characters, should begin with a capital letter and do not end with a period.

Use an imperative tone to describe what a commit does, rather than what it did. For example, use change; not changed or changes.

body:

Not all commits are complex enough to warrant a body, therefore it is optional and only used when a commit requires a bit of explanation and context.

footer

The footer is optional and is used to reference issue tracker IDs.

Pull Request

Prefix of title

The title of a pull request should contain one of the following prefixes::

• Add: Adding new features.
• Change: Change default behaviors or the existing features.
• Fix: Fix some bugs.
• Remove: Remove some existing features.
• Doc: Update the help files.
• Website: Update the content of website.

Here is an example:

Website: Update the lang#c layer page.

Workflow

• Fork SpaceVim repository
• Clone your repository

git clone ${YOUR_OWN_REPOSITORY_URL}

• Add upstream remote

git remote add upstream https://github.com/SpaceVim/SpaceVim.git

• Fetch upstream and rebase on top of upstream master

git fetch upstream
git rebase upstream/master

Simple PRs

• Branch from master
• One topic per PR
• One commit per PR
• If you have several commits on different topics, close the PR and create one PR per topic
• If you still have several commits, squash them into only one commit

Complex PRs

Squash only the commits with uninteresting changes like typos, syntax fixes, etc. And keep the important and isolated steps in different commits.

Those PRs are merged and explicitly not fast-forwarded.

Contributing a layer

Please read the layers documentation first.

Layer with no associated configuration will be rejected. For instance a layer with just a package and a hook can be easily replaced by the usage of the variable custom_plugins.

File header

The file header for Vim script should look like the following template:

"=============================================================================
" FILENAME --- NAME layer file for SpaceVim
" Copyright (c) 2016-2020 Wang Shidong & Contributors
" Author: Wang Shidong < wsdjeg@outlook.com >
" URL: https://spacevim.org
" License: GPLv3
"=============================================================================

You should replace FILENAME by the name of the file (e.g. foo.vim) and NAME by the name of the layer you are creating, don’t forget to replace YOUR NAME and YOUR EMAIL too.

Author of a new layer

In the file's header, replace the default author name (Shidong Wang) with your name.

The following example shows how to create a new layer named foo:

1. Fork SpaceVim repo.
2. Add a layer file autoload/SpaceVim/layers/foo.vim for foo layer.
3. Edit layer file, check out the example below:

"=============================================================================
" foo.vim --- foo Layer file for SpaceVim
" Copyright (c) 2012-2016 Shidong Wang & Contributors
" Author: Shidong Wang < wsdjeg at 163.com >
" URL: https://spacevim.org
" License: GPLv3
"=============================================================================

""
" @section foo, layer-foo
" @parentsection layers
" This is the doc for this layer:
"
" @subsection Key Bindings
" >
"   Mode      Key           Function
"   -------------------------------------------------------------
"   normal    <leader>jA    generate accessors
"   normal    <leader>js    generate setter accessor
" <
" @subsection Layer options
" >
"   Name              Description                      Default
"   -------------------------------------------------------------
"   option1       Set option1 for foo layer               ''
"   option2       Set option2 for foo layer               []
"   option3       Set option3 for foo layer               {}
" <
" @subsection Global options
" >
"   Name              Description                      Default
"   -------------------------------------------------------------
"   g:pluginA_opt1    Set opt1 for plugin A               ''
"   g:pluginB_opt2    Set opt2 for plugin B               []
" <

function! SpaceVim#layers#foo#plugins() abort
  let plugins = []
  call add(plugins, ['Shougo/foo.vim', {'option' : 'value'}])
  call add(plugins, ['Shougo/foo_test.vim', {'option' : 'value'}])
  return plugins
endfunction


function! SpaceVim#layers#foo#config() abort
  let g:foo_option1 = get(g:, 'foo_option1', 1)
  let g:foo_option2 = get(g:, 'foo_option2', 2)
  let g:foo_option3 = get(g:, 'foo_option3', 3)
  " ...
endfunction

" add layer options:
let s:layer_option = 'default var'
function! SpaceVim#layers#foo#set_variable(var) abort
  let s:layer_option = get(a:var, 'layer_option', s:layer_option)
endfunction

" completion function for layer options:
function! SpaceVim#layers#foo#get_options() abort
    return ['layer_option']
endfunction

4. Create the layer's documentation file docs/layers/foo.md for foo layer.
5. Open docs/layers/index.md, and run :call SpaceVim#dev#layers#update() to update the layers list.
6. Send a PR to SpaceVim.

Contributor to an existing layer

If you want to contribute to an already existing layer, you should not modify any header file.

Contributing a keybinding

Mappings are an important part of SpaceVim.

First if you want to have some personal mappings. This can be done in your bootstrap function.

If you think it is worth contributing new mappings, be sure to read the documentation to find the best mappings, then create a Pull-Request with your mappings.

ALWAYS document your new mappings or mapping changes inside the relevant documentation file. It should be the layername.md and the documentation.

Language specified key bindings

All language specified key bindings have the prefix SPC l.

We recommend you to use the common language specified key bindings for the same purpose as the following:

Key Binding	Description
SPC l r	start a runner for current file
SPC l e	rename symbol
SPC l d	show doc
SPC l i r	remove unused imports
SPC l i s	sort imports with isort
SPC l s i	Start a language specified inferior REPL process
SPC l s b	send buffer and keep code buffer focused
SPC l s l	send line and keep code buffer focused
SPC l s s	send selection text and keep code buffer focused

All above key bindings are just recommended as default, but they are also based on the language layer itself.

Contributing a banner

The startup banner is by default the SpaceVim logo but there are also ASCII banners available in the core/banner layer.

If you have some ASCII skills you can submit your artwork!

You are free to choose a reasonable height size but the width size should be around 75 characters.

Build with SpaceVim

SpaceVim provides a lot of public APIs, you can create plugins based on these APIs. Also you can add a badge to the README.md of your plugin.

markdown

[![](https://spacevim.org/img/build-with-SpaceVim.svg)](https://spacevim.org)

Newsletters

{% for post in site.categories.newsletter %}

• {{ post.title }}

  {{ post.date | date_to_string }}

  {{ post.description | truncatewords: 100 }}

{% endfor %}

Changelog

{% for post in site.categories.changelog %}

• {{ post.title }}

  {{ post.date | date_to_string }}

  {{ post.description | truncatewords: 100 }}

{% endfor %}