home-manager/modules/services/emacs.nix
Hugo Geoffroy 9f396fddc6
emacs: add emacsclient desktop file
Add an option to enable a .desktop file for the Emacs client.

PR #1223

Co-authored-by: Michael Lingelbach <m.j.lbach@gmail.com>
Co-authored-by: Robert Helgesson <robert@rycee.net>
2020-05-09 22:13:04 +02:00

76 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.emacs;
emacsCfg = config.programs.emacs;
emacsBinPath = "${emacsCfg.finalPackage}/bin";
# Adapted from upstream emacs.desktop
clientDesktopItem = pkgs.makeDesktopItem rec {
name = "emacsclient";
desktopName = "Emacs Client";
genericName = "Text Editor";
comment = "Edit text";
mimeType =
"text/english;text/plain;text/x-makefile;text/x-c++hdr;text/x-c++src;text/x-chdr;text/x-csrc;text/x-java;text/x-moc;text/x-pascal;text/x-tcl;text/x-tex;application/x-shellscript;text/x-c;text/x-c++;";
exec = "${emacsBinPath}/emacsclient ${
concatStringsSep " " cfg.client.arguments
} %F";
icon = "emacs";
type = "Application";
terminal = "false";
categories = "Utility;TextEditor;";
extraEntries = ''
StartupWMClass=Emacs
'';
};
in {
options.services.emacs = {
enable = mkEnableOption "the Emacs daemon";
client = {
enable = mkEnableOption "generation of Emacs client desktop file";
arguments = mkOption {
type = with types; listOf str;
default = [ "-c" ];
description = ''
Command-line arguments to pass to <command>emacsclient</command>.
'';
};
};
};
config = mkIf cfg.enable {
assertions = [{
assertion = emacsCfg.enable;
message = "The Emacs service module requires"
+ " 'programs.emacs.enable = true'.";
}];
systemd.user.services.emacs = {
Unit = {
Description = "Emacs: the extensible, self-documenting text editor";
Documentation =
"info:emacs man:emacs(1) https://gnu.org/software/emacs/";
# Avoid killing the Emacs session, which may be full of
# unsaved buffers.
X-RestartIfChanged = false;
};
Service = {
ExecStart =
"${pkgs.runtimeShell} -l -c 'exec ${emacsBinPath}/emacs --fg-daemon'";
ExecStop = "${emacsBinPath}/emacsclient --eval '(kill-emacs)'";
Restart = "on-failure";
};
Install = { WantedBy = [ "default.target" ]; };
};
home.packages = optional cfg.client.enable clientDesktopItem;
};
}