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b72044c113
Use emacseditor in PATH instead of using the absolute path to prevent old path from sticking around when switching configurations.
104 lines
3.0 KiB
Nix
104 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.emacs;
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editorScript = pkgs.writeScriptBin "emacseditor" ''
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#!${pkgs.runtimeShell}
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if [ -z "$1" ]; then
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exec ${cfg.package}/bin/emacsclient --create-frame --alternate-editor ${cfg.package}/bin/emacs
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else
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exec ${cfg.package}/bin/emacsclient --alternate-editor ${cfg.package}/bin/emacs "$@"
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fi
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'';
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desktopApplicationFile = pkgs.writeTextFile {
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name = "emacsclient.desktop";
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destination = "/share/applications/emacsclient.desktop";
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text = ''
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[Desktop Entry]
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Name=Emacsclient
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GenericName=Text Editor
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Comment=Edit text
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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++;
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Exec=emacseditor %F
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Icon=emacs
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Type=Application
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Terminal=false
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Categories=Development;TextEditor;
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StartupWMClass=Emacs
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Keywords=Text;Editor;
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'';
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};
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in
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{
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options.services.emacs = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to enable a user service for the Emacs daemon. Use `emacsclient` to connect to the
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daemon. If `true`, {var}`services.emacs.install` is
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considered `true`, whatever its value.
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'';
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};
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install = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to install a user service for the Emacs daemon. Once
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the service is started, use emacsclient to connect to the
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daemon.
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The service must be manually started for each user with
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"systemctl --user start emacs" or globally through
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{var}`services.emacs.enable`.
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.emacs;
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defaultText = literalExpression "pkgs.emacs";
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description = lib.mdDoc ''
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emacs derivation to use.
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'';
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};
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defaultEditor = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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When enabled, configures emacsclient to be the default editor
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using the EDITOR environment variable.
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'';
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};
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};
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config = mkIf (cfg.enable || cfg.install) {
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systemd.user.services.emacs = {
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description = "Emacs: the extensible, self-documenting text editor";
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serviceConfig = {
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Type = "forking";
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ExecStart = "${pkgs.bash}/bin/bash -c 'source ${config.system.build.setEnvironment}; exec ${cfg.package}/bin/emacs --daemon'";
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ExecStop = "${cfg.package}/bin/emacsclient --eval (kill-emacs)";
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Restart = "always";
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};
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} // optionalAttrs cfg.enable { wantedBy = [ "default.target" ]; };
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environment.systemPackages = [ cfg.package editorScript desktopApplicationFile ];
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environment.variables.EDITOR = mkIf cfg.defaultEditor (mkOverride 900 "emacseditor");
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};
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meta.doc = ./emacs.md;
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}
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