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Fonts and default apps

Fontconfig monospace override to Victor Mono Nerd Font, the Nerd Font packages, and the XDG default-application table.

Two small files set system-wide defaults: fonts.conf picks the monospace font, and mimeapps.list picks which application opens each file type and URL scheme.

Fontconfig

Source (repo) Target
dot_config/fontconfig/fonts.conf ~/.config/fontconfig/fonts.conf 
<fontconfig>
  <match target="pattern">
    <test name="family" qual="any">
      <string>monospace</string>
    </test>
    <edit name="family" mode="prepend_first" binding="strong">
      <string>VictorMono Nerd Font</string>
    </edit>
  </match>
</fontconfig>

Any font request that includes the generic monospace family gets VictorMono Nerd Font added to the front of its family list (prepend_first) with strong binding. Apps that ask for “monospace” therefore render in Victor Mono with Nerd Font glyphs, and fall back through fontconfig’s normal monospace list if a glyph is missing. The file does not configure sans/serif families, hinting, antialiasing, or subpixel rendering. Those stay at system defaults.

Some tools set their own fonts. Waybar uses CaskaydiaCove Nerd Font Propo (see Waybar), and the terminals set fonts in their own configs (see kitty).

Font packages

Victor Mono Nerd Font is installed on every role by run_onchange_before_10-packages.sh.tmpl from .chezmoidata/packages.yaml, not only on desktop roles:

Platform Package Source
Arch Linux ttf-victor-mono-nerd pacman (packages.arch.pacman)
macOS font-victor-mono-nerd-font Homebrew cask (packages.darwin.cask)

fonts.conf is Linux desktop only, but the font package is also installed on server and mac.

Default applications

Source (repo) Target
dot_config/mimeapps.list ~/.config/mimeapps.list

mimeapps.list is the XDG file that xdg-open, GTK/Qt file dialogs, and browsers use to choose a handler. [Default Applications] sets the preferred handler. [Added Associations] adds entries to “Open with” lists.

Default applications

Group MIME types / schemes Handler (.desktop)
Text and scripts text/plain, text/x-shellscript, text/x-python, text/x-script.python vim.desktop
Web pages text/html, application/xhtml+xml, application/x-extension-htm, -html, -shtml, -xhtml, -xht brave-origin.desktop
Web links x-scheme-handler/http, https, chrome brave-origin.desktop
Browser internals x-scheme-handler/about, unknown chromium.desktop
PDF application/pdf brave-origin.desktop
Directories inode/directory com.thisisgm.flea.desktop (flea)
Mail x-scheme-handler/mailto omamail.desktop
Windows executables application/vnd.microsoft.portable-executable wine.desktop
AI tools x-scheme-handler/claude com.anthropic.Claude.desktop
x-scheme-handler/claude-cli claude-code-url-handler.desktop
x-scheme-handler/opencode ai.opencode.desktop.desktop
x-scheme-handler/antigravity antigravity.desktop
x-scheme-handler/piebald piebald-handler.desktop
x-scheme-handler/openhuman OpenHuman-handler.desktop
Productivity x-scheme-handler/todoist, com.todoist todoist.desktop
x-scheme-handler/notion notion.desktop
x-scheme-handler/anytype anytype.desktop
x-scheme-handler/tolaria tolaria-handler.desktop
x-scheme-handler/tldraw-offline tldraw-offline.desktop
x-scheme-handler/figma figma-linux.desktop
Chat x-scheme-handler/slack slack.desktop
x-scheme-handler/discord-647066573147996160 discord-647066573147996161.desktop
Feeds x-scheme-handler/follow, folo folo.desktop

Added associations

MIME types / schemes Also offered
http, https, chrome schemes; text/html, application/xhtml+xml, and the x-extension-* web types brave-origin.desktop, userapp-Floorp-8MTFP3.desktop
x-scheme-handler/mailto userapp-Evolution-PCEYQ4.desktop
application/vnd.microsoft.portable-executable wine.desktop
application/pdf brave-origin.desktop
x-scheme-handler/opencode ai.opencode.desktop.desktop

The added mail association is Evolution, but the default mail handler is omamail.desktop.

  • niri and Hyprland: the compositors these defaults serve.
  • Installation: role selection that decides whether this layer applies.

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