mirror of
https://github.com/nix-community/home-manager.git
synced 2026-01-12 01:50:44 +08:00
emacs: remove redundant platform checks
This commit is contained in:
Benedikt Rips
@@ -119,127 +119,117 @@ in
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};
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};
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config = mkIf cfg.enable (
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lib.mkMerge [
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{
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home.sessionVariables =
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let
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editorBin = lib.getBin (
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pkgs.writeShellScript "editor" ''exec ${lib.getBin cfg.package}/bin/emacsclient "''${@:---create-frame}"''
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);
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in
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mkIf cfg.defaultEditor {
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EDITOR = editorBin;
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VISUAL = editorBin;
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};
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config = mkIf cfg.enable {
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home.sessionVariables =
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let
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editorBin = lib.getBin (
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pkgs.writeShellScript "editor" ''exec ${lib.getBin cfg.package}/bin/emacsclient "''${@:---create-frame}"''
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);
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in
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mkIf cfg.defaultEditor {
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EDITOR = editorBin;
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VISUAL = editorBin;
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};
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home.packages = optional (cfg.client.enable && pkgs.stdenv.isLinux) (lib.hiPrio clientDesktopItem);
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systemd.user.services.emacs = {
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Unit = {
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Description = "Emacs text editor";
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Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
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After = optional (cfg.startWithUserSession == "graphical") "graphical-session.target";
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PartOf = optional (cfg.startWithUserSession == "graphical") "graphical-session.target";
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# Avoid killing the Emacs session, which may be full of
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# unsaved buffers.
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X-RestartIfChanged = false;
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}
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// optionalAttrs needsSocketWorkaround {
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# Emacs deletes its socket when shutting down, which systemd doesn't
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# handle, resulting in a server without a socket.
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# See https://github.com/nix-community/home-manager/issues/2018
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RefuseManualStart = true;
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};
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(mkIf pkgs.stdenv.isLinux {
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systemd.user.services.emacs = {
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Unit = {
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Description = "Emacs text editor";
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Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
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Service = {
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Type = "notify";
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After = optional (cfg.startWithUserSession == "graphical") "graphical-session.target";
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PartOf = optional (cfg.startWithUserSession == "graphical") "graphical-session.target";
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# We wrap ExecStart in a login shell so Emacs starts with the user's
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# environment, most importantly $PATH and $NIX_PROFILES. It may be
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# worth investigating a more targeted approach for user services to
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# import the user environment.
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ExecStart = ''${pkgs.runtimeShell} -l -c "${emacsBinPath}/emacs --fg-daemon${
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# In case the user sets 'server-directory' or 'server-name' in
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# their Emacs config, we want to specify the socket path explicitly
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# so launching 'emacs.service' manually doesn't break emacsclient
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# when using socket activation.
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lib.optionalString cfg.socketActivation.enable "=${lib.escapeShellArg socketPath}"
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} ${lib.escapeShellArgs cfg.extraOptions}"'';
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# Avoid killing the Emacs session, which may be full of
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# unsaved buffers.
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X-RestartIfChanged = false;
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}
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// optionalAttrs needsSocketWorkaround {
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# Emacs deletes its socket when shutting down, which systemd doesn't
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# handle, resulting in a server without a socket.
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# See https://github.com/nix-community/home-manager/issues/2018
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RefuseManualStart = true;
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};
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# Emacs will exit with status 15 after having received SIGTERM, which
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# is the default "KillSignal" value systemd uses to stop services.
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SuccessExitStatus = 15;
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Service = {
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Type = "notify";
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Restart = "on-failure";
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}
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// optionalAttrs needsSocketWorkaround {
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# Use read-only directory permissions to prevent emacs from
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# deleting systemd's socket file before exiting.
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ExecStartPost = "${pkgs.coreutils}/bin/chmod --changes -w ${socketDir}";
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ExecStopPost = "${pkgs.coreutils}/bin/chmod --changes +w ${socketDir}";
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};
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}
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// optionalAttrs (cfg.startWithUserSession != false) {
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Install = {
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WantedBy = [
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(if cfg.startWithUserSession == true then "default.target" else "graphical-session.target")
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];
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};
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};
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# We wrap ExecStart in a login shell so Emacs starts with the user's
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# environment, most importantly $PATH and $NIX_PROFILES. It may be
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# worth investigating a more targeted approach for user services to
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# import the user environment.
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ExecStart = ''${pkgs.runtimeShell} -l -c "${emacsBinPath}/emacs --fg-daemon${
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# In case the user sets 'server-directory' or 'server-name' in
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# their Emacs config, we want to specify the socket path explicitly
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# so launching 'emacs.service' manually doesn't break emacsclient
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# when using socket activation.
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lib.optionalString cfg.socketActivation.enable "=${lib.escapeShellArg socketPath}"
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} ${lib.escapeShellArgs cfg.extraOptions}"'';
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systemd.user.sockets.emacs = mkIf cfg.socketActivation.enable {
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Unit = {
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Description = "Emacs text editor";
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Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
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};
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# Emacs will exit with status 15 after having received SIGTERM, which
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# is the default "KillSignal" value systemd uses to stop services.
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SuccessExitStatus = 15;
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Socket = {
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ListenStream = socketPath;
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FileDescriptorName = "server";
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SocketMode = "0600";
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DirectoryMode = "0700";
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# This prevents the service from immediately starting again
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# after being stopped, due to the function
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# `server-force-stop' present in `kill-emacs-hook', which
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# calls `server-running-p', which opens the socket file.
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FlushPending = true;
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};
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Restart = "on-failure";
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}
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// optionalAttrs needsSocketWorkaround {
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# Use read-only directory permissions to prevent emacs from
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# deleting systemd's socket file before exiting.
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ExecStartPost = "${pkgs.coreutils}/bin/chmod --changes -w ${socketDir}";
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ExecStopPost = "${pkgs.coreutils}/bin/chmod --changes +w ${socketDir}";
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};
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}
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// optionalAttrs (cfg.startWithUserSession != false) {
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Install = {
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WantedBy = [
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(if cfg.startWithUserSession == true then "default.target" else "graphical-session.target")
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];
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};
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Install = {
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WantedBy = [ "sockets.target" ];
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# Adding this Requires= dependency ensures that systemd
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# manages the socket file, in the case where the service is
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# started when the socket is stopped.
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# The socket unit is implicitly ordered before the service.
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RequiredBy = [ "emacs.service" ];
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};
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};
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launchd.agents.emacs = {
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enable = true;
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config = {
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ProgramArguments = [
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"${cfg.package}/bin/emacs"
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"--fg-daemon"
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]
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++ cfg.extraOptions;
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RunAtLoad = true;
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KeepAlive = {
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Crashed = true;
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SuccessfulExit = false;
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};
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home.packages = optional cfg.client.enable (lib.hiPrio clientDesktopItem);
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})
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(mkIf (cfg.socketActivation.enable && pkgs.stdenv.isLinux) {
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systemd.user.sockets.emacs = {
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Unit = {
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Description = "Emacs text editor";
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Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
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};
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Socket = {
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ListenStream = socketPath;
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FileDescriptorName = "server";
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SocketMode = "0600";
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DirectoryMode = "0700";
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# This prevents the service from immediately starting again
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# after being stopped, due to the function
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# `server-force-stop' present in `kill-emacs-hook', which
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# calls `server-running-p', which opens the socket file.
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FlushPending = true;
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};
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Install = {
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WantedBy = [ "sockets.target" ];
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# Adding this Requires= dependency ensures that systemd
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# manages the socket file, in the case where the service is
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# started when the socket is stopped.
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# The socket unit is implicitly ordered before the service.
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RequiredBy = [ "emacs.service" ];
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};
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};
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})
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(mkIf pkgs.stdenv.isDarwin {
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launchd.agents.emacs = {
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enable = true;
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config = {
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ProgramArguments = [
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"${cfg.package}/bin/emacs"
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"--fg-daemon"
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]
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++ cfg.extraOptions;
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RunAtLoad = true;
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KeepAlive = {
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Crashed = true;
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SuccessfulExit = false;
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};
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};
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};
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})
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]
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);
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};
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};
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};
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}
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