This repository contains the content of the http://sling.apache.org/ website, which moved in September 2017 from the Apache CMS to this JBake-generated site.
Clone this repository, run the below Maven command, open http://localhost:8820/ and enjoy.
mvn clean package -Prun-site
This allows you to experiment with your changes before eventually publishing them.
To also activate the site search feature, use
mvn clean package -Ppagefind,run-site
The publishing process consists out of 2 steps:
Original: master branch (mainly markdown files)
|
| 1. Build site via Jenkins or local Maven Build
\|/
asf-site branch (mainly JBake-generated html files)
|
| 2. Publish via ASF gitpubsub, controlled via .asf.yaml
\|/
https://sling.apache.org
Each push to the master branch automatically regenerates and publishes the website to https://sling.apache.org, see
SLING-7180 for details. The corresponding Jenkins job is linked from the "build"
badge at the top of this file.
Note that the publish-scm goal might fail if you add lots of changes due to MSCMPUB-18. In that scenario you have to manually perform the git operations, see for instance this file at revision 3e58fbd7.
The ASF's gitpubsub mechanism then synchronizes that content to http://sling.apache.org, usually within a few seconds. More details about the publication process can be found in the ASF Documentation about Project sites. If for some reason this process fails, you can use the self-service page from ASF Infra to trigger a resync of the git repo.
However, if for some reason you need to manually publish the website to the asf-site branch the following instructions can be used:
Clone this repository and run the below commands or equivalent:
# Build the site and review your changes
mvn clean package
# deploy the site
mvn clean package -Ppublish-site -Dmsg="<describe your changes>"
Adding expandVariables=true to a page's front matter enables simple variables replacement, see the pageVariables map in
templates code for which variables are supported or to add more variables. A pattern like ${sling_tagline} in page content
is replaced by the sling_tagline variable if it exists, otherwise a MISSING_PAGE_VARIABLE marker is output.
Please use a sling. prefix for new site-related variables in jbake.properties, to differentiate from JBake built-in variables.
A number of Markdown front matter variables are taken into account, here's an example:
title=Tutorials & How-Tos
type=page
status=published
tags=tutorials,beginner
tableOfContents=false
~~~~~~
The site uses highlight.js for that.
Highlighting can be disabled by specifying an unknown language in the <pre> blocks that are highlighted by default, like for example
<pre class="language-no-highlight">
This will not be highlighted.
</pre>
The site search is based on Pagefind, which is also used by the ASF community and www websites. Searching the source code for "pagefind" shows how the integration works.
It's sometimes useful to steal ideas get inspiration from other projects using similar tools, for now we know of:
- Tamaya - https://github.com/apache/incubator-tamaya-site
- OpenNLP - https://github.com/apache/opennlp-site
- Incubator - https://github.com/apache/incubator
And this query for the jbake topic might find others.
- Currently using 2.6.5 via the
jbake-maven-plugin, see under/bin, docs at http://jbake.org/docs/2.6.5 - That version of JBake uses Flexmark as parser for Markdown and Pegdown extensions
- The templates use the Groovy Markup Template Engine, other examples are provided at https://github.com/jbake-org/jbake-example-project-groovy-mte
To find broken links use
wget --spider -r -nd -nv -l 5 http://localhost:8820/ 2>&1 | grep -B1 'broken link'
It it possible to configure git to not inherit or infer the user.name and user.email
properties, to avoid the situation where an incorrect value is used.
However, this breaks site publishing as the git checkout no longer inherits the global configuration settings. To still be able to publish, the following steps are needed
mvn package -Ppublish-site -Dmsg="your-msg-here"
cd target/scm-checkout
git config user.email [email protected]
mvn package -Ppublish-site -Dmsg="your-msg-here"
We are publishing the site once, which creates the SCM checkout, and fails to push
since no user.email config is set. Then we manually configure this property in
the SCM checkout and try publishing again. Be careful to avoid any clean operations
with Maven since it will erase the initial checkout.
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