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README.md

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How this gets released

Any changes made to the master branch of this repository will automatically be deployed to silc.ccs.neu.edu. The recommended workflow for major changes is to thus do work on a branch (or a fork) and then, via a pull request, get feedback and merge to master. But, for small things changing directly on the master branch is fine.

The deployment is orchestrated by the .travis.yml script and deploy.sh. (Where the former invokes the latter). The secret block in the former is an encrypted login token for an silc-bot user that has write access to the artifact repository (silcgroup.github.io), and no other access. Note that this is the same setup used for deployment of prl.ccs.neu.edu.

How to edit

This is a statically generated site. The code that controls the generation is in site.hs, and if you want to build it locally, install stack and then run site.hs watch as a script (i.e., on the command-line ./site.hs watch) -- it will download the haskell compiler, all needed libraries, and run it. The first time, this may take a while! The watch command has it automatically serve the website at http://localhost:8000 and rebuild whenever you make changes. You can also run ./site.hs build and open the files in the _site directory directly, and you can run ./site.hs clean to get rid of all the built artifacts (the most likely reason to do this is if you have changed the generating code in site.hs but haven't changed any of the source files, so the dependency management won't realize it should rebuild stuff).

The main pages are either markdown files you can edit directly (e.g., index.markdown or projects.markdown) or they are files that are generated from a data file in YAML format (i.e., publications.yaml, people.yaml). Changing any of these source files will cause the corresponding page to be regenerated.

Every page uses templates from the templates directory. The base.html template is used for everything, and the publications.html and people.html templates are used to build those pages respectively, using the data from the corresponding YAML file.

Any file in static or css will be copied over as-is, so you can add or change things there directly.

Changing the generator

Ideally, most changes will not require any changes to the site generator (site.hs), but if they do, here is some advice. This site is built using Hakyll, which is a static site generator written in Haskell. The main block is what drives the generator, by matching particular source files and then describing how they are built into output artifacts.

Some of these are simple, like the files in static, where everything is just copied verbatim. The markdown files are slightly more complicated, because we want the urls to look like "/projects", which means we actually generate "/projects/index.html", and we do that using pandoc (which can turn almost any text format into almost any other one, in this case we are just dealing with markdown but we could switch that if people prefer!).

The YAML files are more complicated, because we have to parse the files into data types (which are defined at the bottom of the file), and then define template Context fields for the template (in particular, we make a listField, which is then used in a template as $for(field_name)$, and we have to then give it the context to use for each item, which has the fields of each item that we parsed).