338 lines
14 KiB
Markdown
338 lines
14 KiB
Markdown
---
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date: "2017-04-15T14:56:00+02:00"
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title: "Customizing Gitea"
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slug: "customizing-gitea"
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weight: 9
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toc: false
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draft: false
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menu:
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sidebar:
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parent: "advanced"
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name: "Customizing Gitea"
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identifier: "customizing-gitea"
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weight: 9
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---
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# Customizing Gitea
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Customizing Gitea is typically done using the `CustomPath` folder - by default this is
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the `custom` folder from the running directory, but may be different if your build has
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set this differently. This is the central place to override configuration settings,
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templates, etc. You can check the `CustomPath` using `gitea help`. You can also find
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the path on the _Configuration_ tab in the _Site Administration_ page. You can override
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the `CustomPath` by setting either the `GITEA_CUSTOM` environment variable or by
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using the `--custom-path` option on the `gitea` binary. (The option will override the
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environment variable.)
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If Gitea is deployed from binary, all default paths will be relative to the Gitea
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binary. If installed from a distribution, these paths will likely be modified to
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the Linux Filesystem Standard. Gitea will attempt to create required folders, including
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`custom/`. Distributions may provide a symlink for `custom` using `/etc/gitea/`.
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Application settings can be found in file `CustomConf` which is by default,
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`$GITEA_CUSTOM/conf/app.ini` but may be different if your build has set this differently.
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Again `gitea help` will allow you review this variable and you can override it using the
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`--config` option on the `gitea` binary.
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- [Quick Cheat Sheet](https://docs.gitea.io/en-us/config-cheat-sheet/)
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- [Complete List](https://github.com/go-gitea/gitea/blob/main/custom/conf/app.example.ini)
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If the `CustomPath` folder can't be found despite checking `gitea help`, check the `GITEA_CUSTOM`
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environment variable; this can be used to override the default path to something else.
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`GITEA_CUSTOM` might, for example, be set by an init script. You can check whether the value
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is set under the "Configuration" tab on the site administration page.
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- [List of Environment Variables](https://docs.gitea.io/en-us/environment-variables/)
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**Note:** Gitea must perform a full restart to see configuration changes.
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**Table of Contents**
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{{< toc >}}
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## Serving custom public files
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To make Gitea serve custom public files (like pages and images), use the folder
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`$GITEA_CUSTOM/public/` as the webroot. Symbolic links will be followed.
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For example, a file `image.png` stored in `$GITEA_CUSTOM/public/`, can be accessed with
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the url `http://gitea.domain.tld/assets/image.png`.
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## Changing the logo
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To build a custom logo clone the Gitea source repository, replace `assets/logo.svg` and run
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`make generate-images`. This will update below output files which you can then place in `$GITEA_CUSTOM/public/img` on your server:
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- `public/img/logo.svg` - Used for favicon, site icon, app icon
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- `public/img/logo.png` - Used for Open Graph
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- `public/img/favicon.png` - Used as fallback for browsers that don't support SVG favicons
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- `public/img/avatar_default.png` - Used as the default avatar image
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- `public/img/apple-touch-icon.png` - Used on iOS devices for bookmarks
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In case the source image is not in vector format, you can attempt to convert a raster image using tools like [this](https://www.aconvert.com/image/png-to-svg/).
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## Customizing Gitea pages and resources
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Gitea's executable contains all the resources required to run: templates, images, style-sheets
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and translations. Any of them can be overridden by placing a replacement in a matching path
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inside the `custom` directory. For example, to replace the default `.gitignore` provided
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for C++ repositories, we want to replace `options/gitignore/C++`. To do this, a replacement
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must be placed in `$GITEA_CUSTOM/options/gitignore/C++` (see about the location of the `CustomPath`
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directory at the top of this document).
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Every single page of Gitea can be changed. Dynamic content is generated using [go templates](https://golang.org/pkg/html/template/),
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which can be modified by placing replacements below the `$GITEA_CUSTOM/templates` directory.
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To obtain any embedded file (including templates), the [`gitea embedded` tool]({{< relref "doc/advanced/cmd-embedded.en-us.md" >}}) can be used. Alternatively, they can be found in the [`templates`](https://github.com/go-gitea/gitea/tree/main/templates) directory of Gitea source (Note: the example link is from the `main` branch. Make sure to use templates compatible with the release you are using).
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Be aware that any statement contained inside `{{` and `}}` are Gitea's template syntax and
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shouldn't be touched without fully understanding these components.
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### Customizing startpage / homepage
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Copy [`home.tmpl`](https://github.com/go-gitea/gitea/blob/main/templates/home.tmpl) for your version of Gitea from `templates` to `$GITEA_CUSTOM/templates`.
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Edit as you wish.
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Dont forget to restart your gitea to apply the changes.
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### Adding links and tabs
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If all you want is to add extra links to the top navigation bar or footer, or extra tabs to the repository view, you can put them in `extra_links.tmpl` (links added to the navbar), `extra_links_footer.tmpl` (links added to the left side of footer), and `extra_tabs.tmpl` inside your `$GITEA_CUSTOM/templates/custom/` directory.
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For instance, let's say you are in Germany and must add the famously legally-required "Impressum"/about page, listing who is responsible for the site's content:
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just place it under your "$GITEA_CUSTOM/public/" directory (for instance `$GITEA_CUSTOM/public/impressum.html`) and put a link to it in either `$GITEA_CUSTOM/templates/custom/extra_links.tmpl` or `$GITEA_CUSTOM/templates/custom/extra_links_footer.tmpl`.
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To match the current style, the link should have the class name "item", and you can use `{{AppSubUrl}}` to get the base URL:
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`<a class="item" href="{{AppSubUrl}}/impressum.html">Impressum</a>`
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For more information, see [Adding Legal Pages](https://docs.gitea.io/en-us/adding-legal-pages).
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You can add new tabs in the same way, putting them in `extra_tabs.tmpl`.
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The exact HTML needed to match the style of other tabs is in the file
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`templates/repo/header.tmpl`
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([source in GitHub](https://github.com/go-gitea/gitea/blob/main/templates/repo/header.tmpl))
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### Other additions to the page
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Apart from `extra_links.tmpl` and `extra_tabs.tmpl`, there are other useful templates you can put in your `$GITEA_CUSTOM/templates/custom/` directory:
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- `header.tmpl`, just before the end of the `<head>` tag where you can add custom CSS files for instance.
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- `body_outer_pre.tmpl`, right after the start of `<body>`.
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- `body_inner_pre.tmpl`, before the top navigation bar, but already inside the main container `<div class="full height">`.
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- `body_inner_post.tmpl`, before the end of the main container.
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- `body_outer_post.tmpl`, before the bottom `<footer>` element.
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- `footer.tmpl`, right before the end of the `<body>` tag, a good place for additional Javascript.
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#### Example: PlantUML
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You can add [PlantUML](https://plantuml.com/) support to Gitea's markdown by using a PlantUML server.
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The data is encoded and sent to the PlantUML server which generates the picture. There is an online
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demo server at http://www.plantuml.com/plantuml, but if you (or your users) have sensitive data you
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can set up your own [PlantUML server](https://plantuml.com/server) instead. To set up PlantUML rendering,
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copy javascript files from https://gitea.com/davidsvantesson/plantuml-code-highlight and put them in your
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`$GITEA_CUSTOM/public` folder. Then add the following to `custom/footer.tmpl`:
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```html
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{{if .RequireHighlightJS}}
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<script src="https://your-server.com/deflate.js"></script>
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<script src="https://your-server.com/encode.js"></script>
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<script src="https://your-server.com/plantuml_codeblock_parse.js"></script>
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<script>
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<!-- Replace call with address to your plantuml server-->
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parsePlantumlCodeBlocks("http://www.plantuml.com/plantuml");
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</script>
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{{end}}
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```
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You can then add blocks like the following to your markdown:
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```plantuml
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Alice -> Bob: Authentication Request
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Bob --> Alice: Authentication Response
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Alice -> Bob: Another authentication Request
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Alice <-- Bob: Another authentication Response
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```
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The script will detect tags with `class="language-plantuml"`, but you can change this by providing a second argument to `parsePlantumlCodeBlocks`.
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#### Example: STL Preview
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You can display STL file directly in Gitea by adding:
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```html
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<script>
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function lS(src) {
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return new Promise(function (resolve, reject) {
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let s = document.createElement("script");
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s.src = src;
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s.addEventListener("load", () => {
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resolve();
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});
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document.body.appendChild(s);
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});
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}
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if ($('.view-raw>a[href$=".stl" i]').length) {
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$("body").append(
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'<link href="/Madeleine.js/src/css/Madeleine.css" rel="stylesheet">'
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);
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Promise.all([
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lS("/Madeleine.js/src/lib/stats.js"),
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lS("/Madeleine.js/src/lib/detector.js"),
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lS("/Madeleine.js/src/lib/three.min.js"),
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lS("/Madeleine.js/src/Madeleine.js"),
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]).then(function () {
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$(".view-raw")
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.attr("id", "view-raw")
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.attr("style", "padding: 0;margin-bottom: -10px;");
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new Madeleine({
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target: "view-raw",
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data: $('.view-raw>a[href$=".stl" i]').attr("href"),
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path: "/Madeleine.js/src",
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});
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$('.view-raw>a[href$=".stl"]').remove();
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});
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}
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</script>
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```
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to the file `templates/custom/footer.tmpl`
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You also need to download the content of the library [Madeleine.js](https://jinjunho.github.io/Madeleine.js/) and place it under `$GITEA_CUSTOM/public/` folder.
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You should end-up with a folder structucture similar to:
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```
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$GITEA_CUSTOM/templates
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-- custom
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`-- footer.tmpl
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$GITEA_CUSTOM/public
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-- Madeleine.js
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|-- LICENSE
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|-- README.md
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|-- css
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| |-- pygment_trac.css
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| `-- stylesheet.css
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|-- examples
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| |-- ajax.html
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| |-- index.html
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| `-- upload.html
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|-- images
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| |-- bg_hr.png
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| |-- blacktocat.png
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| |-- icon_download.png
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| `-- sprite_download.png
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|-- models
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| |-- dino2.stl
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| |-- ducati.stl
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| |-- gallardo.stl
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| |-- lamp.stl
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| |-- octocat.stl
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| |-- skull.stl
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| `-- treefrog.stl
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`-- src
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|-- Madeleine.js
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|-- css
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| `-- Madeleine.css
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|-- icons
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| |-- logo.png
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| |-- madeleine.eot
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| |-- madeleine.svg
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| |-- madeleine.ttf
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| `-- madeleine.woff
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`-- lib
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|-- MadeleineConverter.js
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|-- MadeleineLoader.js
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|-- detector.js
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|-- stats.js
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`-- three.min.js
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```
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Then restart gitea and open a STL file on your gitea instance.
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## Customizing Gitea mails
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The `$GITEA_CUSTOM/templates/mail` folder allows changing the body of every mail of Gitea.
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Templates to override can be found in the
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[`templates/mail`](https://github.com/go-gitea/gitea/tree/main/templates/mail)
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directory of Gitea source.
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Override by making a copy of the file under `$GITEA_CUSTOM/templates/mail` using a
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full path structure matching source.
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Any statement contained inside `{{` and `}}` are Gitea's template
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syntax and shouldn't be touched without fully understanding these components.
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## Adding Analytics to Gitea
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Google Analytics, Matomo (previously Piwik), and other analytics services can be added to Gitea. To add the tracking code, refer to the `Other additions to the page` section of this document, and add the JavaScript to the `$GITEA_CUSTOM/templates/custom/header.tmpl` file.
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## Customizing gitignores, labels, licenses, locales, and readmes.
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Place custom files in corresponding sub-folder under `custom/options`.
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**NOTE:** The files should not have a file extension, e.g. `Labels` rather than `Labels.txt`
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### gitignores
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To add custom .gitignore, add a file with existing [.gitignore rules](https://git-scm.com/docs/gitignore) in it to `$GITEA_CUSTOM/options/gitignore`
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### Labels
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To add a custom label set, add a file that follows the [label format](https://github.com/go-gitea/gitea/blob/main/options/label/Default) to `$GITEA_CUSTOM/options/label`
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`#hex-color label name ; label description`
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### Licenses
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To add a custom license, add a file with the license text to `$GITEA_CUSTOM/options/license`
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### Locales
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Locales are managed via our [crowdin](https://crowdin.com/project/gitea).
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You can override a locale by placing an altered locale file in `$GITEA_CUSTOM/options/locale`.
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Gitea's default locale files can be found in the [`options/locale`](https://github.com/go-gitea/gitea/tree/main/options/locale) source folder and these should be used as examples for your changes.
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To add a completely new locale, as well as placing the file in the above location, you will need to add the new lang and name to the `[i18n]` section in your `app.ini`. Keep in mind that Gitea will use those settings as **overrides**, so if you want to keep the other languages as well you will need to copy/paste the default values and add your own to them.
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```
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[i18n]
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LANGS = en-US,foo-BAR
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NAMES = English,FooBar
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```
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Locales may change between versions, so keeping track of your customized locales is highly encouraged.
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### Readmes
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To add a custom Readme, add a markdown formatted file (without an `.md` extension) to `$GITEA_CUSTOM/options/readme`
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**NOTE:** readme templates support **variable expansion**.
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currently there are `{Name}` (name of repository), `{Description}`, `{CloneURL.SSH}`, `{CloneURL.HTTPS}` and `{OwnerName}`
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### Reactions
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To change reaction emoji's you can set allowed reactions at app.ini
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```
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[ui]
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REACTIONS = +1, -1, laugh, confused, heart, hooray, eyes
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```
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A full list of supported emoji's is at [emoji list](https://gitea.com/gitea/gitea.com/issues/8)
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## Customizing the look of Gitea
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As of version 1.6.0 Gitea has built-in themes. The two built-in themes are, the default theme `gitea`, and a dark theme `arc-green`. To change the look of your Gitea install change the value of `DEFAULT_THEME` in the [ui](https://docs.gitea.io/en-us/config-cheat-sheet/#ui-ui) section of `app.ini` to another one of the available options.
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As of version 1.8.0 Gitea also has per-user themes. The list of themes a user can choose from can be configured with the `THEMES` value in the [ui](https://docs.gitea.io/en-us/config-cheat-sheet/#ui-ui) section of `app.ini` (defaults to `gitea` and `arc-green`, light and dark respectively)
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## Customizing fonts
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Fonts can be customized using CSS variables:
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```css
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:root {
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--fonts-proportional: /* custom proportional fonts */ !important;
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--fonts-monospace: /* custom monospace fonts */ !important;
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--fonts-emoji: /* custom emoji fonts */ !important;
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}
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```
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