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            "value": "\n          <p>I recently started <a href=\"/daily\/2025\/04\/07\/nix-rst2pdf\">using Nix to build my PDF presentation slides<\/a> that <a href=\"/presentations\/building-presenting-slide-decks-rst2pdf\">I create with rst2pdf<\/a>.<\/p>\n\n<p>I removed the custom build script that was generating the PDF files and moved that code into a Nix derivation.<\/p>\n\n<p>Now I can run <code>nix build .#test-driven-drupal<\/code> and it will generate the slides for that talk.<\/p>\n\n<p>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.<\/p>\n\n<p>The font files were stored in the repository but I wanted to remove them and use the font files available in nixpkgs.<\/p>\n\n<p>After some small changes, <a href=\"https:\/\/code.oliverdavies.uk\/opdavies\/talks\/commit\/e24d2df83f04e492151b1a1f4901490ce76ffd45\">I was able to do it<\/a> and remove the font files from my repository.<\/p>\n\n<p>The Inter font is available in nixpkgs, but it downloads an <code>InterVariable.ttf<\/code> 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.<\/p>\n\n<p>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.<\/p>\n\n        ",
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