32 lines
1.6 KiB
Markdown
32 lines
1.6 KiB
Markdown
---
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title: Building fonts with Nix
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date: 2025-04-16
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permalink: daily/2025/04/16/fonts
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tags:
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- software-development
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- nix
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- rst2pdf
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cta: ~
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snippet: |
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As well as generating the PDF files for my presentations, I'm now also using Nix to download the fonts that I embed into the presentations instead of storing them in my own repository.
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---
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I recently started [using Nix to build my PDF presentation slides][0] that [I create with rst2pdf][1].
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I removed the custom build script that was generating the PDF files and moved that code into a Nix derivation.
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Now I can run `nix build .#test-driven-drupal` and it will generate the slides for that talk.
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As well as the files specific to each presentation, I also have a derivation for shared assets that apply to all talks - i.e. the stylesheets and fonts that are embedded within the PDF.
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The font files were stored in the repository but I wanted to remove them and use the font files available in nixpkgs.
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After some small changes, [I was able to do it][2] and remove the font files from my repository.
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The Inter font is available in nixpkgs, but it downloads an `InterVariable.ttf` font that rst2pdf didn't know how to change the font weight for, so I made my own derivation of the static Inter font based on the releases from GitHub.
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I'm happy that I was able to achieve this, as my repository is leaner and I'm continuing to find new and interesting uses for Nix in my workflows.
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[0]: {{site.url}}/daily/2025/04/07/nix-rst2pdf
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[1]: {{site.url}}/presentations/building-presenting-slide-decks-rst2pdf
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[2]: https://code.oliverdavies.uk/opdavies/talks/commit/e24d2df83f04e492151b1a1f4901490ce76ffd45
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