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fontconfig: document some limitations of the cache

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Colin
2025-03-19 07:25:43 +00:00
parent 8974dd082b
commit 208a88b8ca
1 changed files with 4 additions and 0 deletions
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hosts/common/programs/fontconfig.nix
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@@ -14,6 +14,10 @@ let
# and that needs to either be added to the sandbox of *every* app, # and that needs to either be added to the sandbox of *every* app,
# or font-heavy apps are several *seconds* slower to launch. # or font-heavy apps are several *seconds* slower to launch.
# #
# N.B.: fc-cache produces output based on the architecture it's run on,
# e.g. /var/fontconfig/cache/<hash>-aarch64.cache-9 or <hash>-x86_64.cache-9
# this means we'd better emulate it -- don't run the host binary.
#
# TODO: upstream this into `make-fonts-cache.nix`? # TODO: upstream this into `make-fonts-cache.nix`?
cache = (pkgs.makeFontsCache { fontDirectories = config.fonts.packages; }).overrideAttrs (upstream: { cache = (pkgs.makeFontsCache { fontDirectories = config.fonts.packages; }).overrideAttrs (upstream: {
buildCommand = lib.replaceStrings buildCommand = lib.replaceStrings