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https://github.com/nix-community/home-manager
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5f433eb164
Before, loading a module would be guarded by an optional platform condition. This made it possible to avoid loading and evaluating a module if it did not support the host platform. Unfortunately, this made it impossible to share a single configuration between GNU/Linux and Darwin hosts, which some wish to do. This removes the conditional load and instead inserts host platform assertions in the modules that are platform specific. Fixes #1906
60 lines
1.8 KiB
Nix
60 lines
1.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.xdg.mime;
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in {
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options = {
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xdg.mime.enable = mkOption {
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type = types.bool;
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default = pkgs.hostPlatform.isLinux;
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defaultText =
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literalExample "true if host platform is Linux, false otherwise";
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description = ''
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Whether to install programs and files to support the
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XDG Shared MIME-info specification and XDG MIME Applications
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specification at
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<link xlink:href="https://specifications.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html"/>
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and
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<link xlink:href="https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-latest.html"/>,
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respectively.
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'';
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};
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};
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config = mkIf config.xdg.mime.enable {
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assertions =
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[ (hm.assertions.assertPlatform "xdg.mime" pkgs platforms.linux) ];
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home.packages = [
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# Explicitly install package to provide basic mime types.
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pkgs.shared-mime-info
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# Make sure the target directories will be real directories.
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(pkgs.runCommandLocal "dummy-xdg-mime-dirs1" { } ''
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mkdir -p $out/share/{applications,mime/packages}
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'')
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(pkgs.runCommandLocal "dummy-xdg-mime-dirs2" { } ''
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mkdir -p $out/share/{applications,mime/packages}
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'')
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];
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home.extraProfileCommands = ''
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if [[ -w $out/share/mime && -w $out/share/mime/packages && -d $out/share/mime/packages ]]; then
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XDG_DATA_DIRS=$out/share \
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PKGSYSTEM_ENABLE_FSYNC=0 \
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${pkgs.buildPackages.shared-mime-info}/bin/update-mime-database \
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-V $out/share/mime > /dev/null
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fi
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if [[ -w $out/share/applications ]]; then
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${pkgs.buildPackages.desktop-file-utils}/bin/update-desktop-database \
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$out/share/applications
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fi
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'';
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};
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}
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