81 lines
2.7 KiB
Nix
81 lines
2.7 KiB
Nix
# mimeo is an exec dispatcher like xdg-open, but why allows mapping different URL regexes to different handlers.
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# my setup sets mimeo as the default http/https handler,
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# and from there it dispatches specialized rules, falling back to the original http/https handler if no URL specialization exists
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{ config, lib, pkgs, ... }:
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let
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mimeo-open-desktop = pkgs.static-nix-shell.mkPython3Bin {
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pname = "mimeo-open-desktop";
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srcRoot = ./.;
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pkgs = [ "mimeo" ];
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};
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# [ProgramConfig]
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enabledPrograms = builtins.filter
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(p: p.enabled)
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(builtins.attrValues config.sane.programs);
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# [ProgramConfig]
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sortedPrograms = builtins.sort
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(l: r: l.priority or 1000 < r.priority or 1000)
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enabledPrograms;
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fmtAssoc = regex: desktop: ''
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${mimeo-open-desktop}/bin/mimeo-open-desktop ${desktop} %U
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${regex}
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'';
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assocs = builtins.map
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(program: lib.mapAttrsToList fmtAssoc program.mime.urlAssociations)
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sortedPrograms;
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assocs' = lib.flatten assocs;
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fmtFallbackAssoc = mimeType: desktop: if mimeType == "x-scheme-handler/http" then ''
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${mimeo-open-desktop}/bin/mimeo-open-desktop ${desktop} %U
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^http://.*
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'' else if mimeType == "x-scheme-handler/https" then ''
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${mimeo-open-desktop}/bin/mimeo-open-desktop ${desktop} %U
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^https://.*
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'' else "";
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fmtFallbackAssoc' = mimeType: desktop:
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lib.optionalString (desktop != "mimeo.desktop") (fmtFallbackAssoc mimeType desktop);
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fallbackAssocs = builtins.map
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(program: lib.mapAttrsToList fmtFallbackAssoc' program.mime.associations)
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sortedPrograms;
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fallbackAssocs' = lib.flatten fallbackAssocs;
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in
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{
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sane.programs.mimeo = {
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packageUnwrapped = pkgs.mimeo.overridePythonAttrs (upstream: {
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nativeBuildInputs = (upstream.nativeBuildInputs or []) ++ [
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pkgs.copyDesktopItems
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];
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desktopItems = [
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(pkgs.makeDesktopItem {
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name = "mimeo";
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desktopName = "Mimeo";
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exec = "mimeo %U";
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comment = "Open files by MIME-type or file name using regular expressions.";
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})
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];
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# upstream mimeo doesn't run preInstall/postInstall hooks, but we need that for the .desktop file
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installPhase = ''
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runHook preInstall
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${upstream.installPhase}
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runHook postInstall
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'';
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passthru = (upstream.passthru or {}) // {
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inherit mimeo-open-desktop;
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};
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});
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sandbox.enable = false; # could technically sandbox with `capsh`, but that breaks the abstraction.
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fs.".config/mimeo/associations.txt".symlink.text = lib.concatStringsSep "\n" (assocs' ++ fallbackAssocs');
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mime.priority = 20;
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mime.associations."x-scheme-handler/http" = "mimeo.desktop";
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mime.associations."x-scheme-handler/https" = "mimeo.desktop";
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};
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}
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