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16 commits

Author SHA1 Message Date
Naïm Favier
bd11e2c5e6
Replace usage of literalExample
Instead use the new function `literalExpression`. See

  https://github.com/NixOS/nixpkgs/pull/136909
2021-10-13 00:16:10 +02:00
schotts-fired
0f3dfc94ef
services.emacs: add option extraOptions
This is to allow adding command-line arguments to the Emacs daemon.
Previously only the Emacs client could be started with custom
arguments.
2021-10-02 23:28:22 +02:00
Robert Helgesson
5f433eb164
Move platform check into modules
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 
2021-07-18 20:43:22 +02:00
Rodney Lorrimar
5060262b79
services/emacs: Prevent deletion of socket file
When running a socket-activated emacs service, we don't want emacs to
remove the socket file after exiting, because then subsequent
invocations of `emacsclient` won't be able to use the socket to start
emacs.service again.
2021-06-06 01:00:20 +02:00
Tad Fisher
ac82c036d8
services/emacs: Update systemd definitions, drop Emacs 26 support
Emacs 27 added Type=notify support and updated the service definition to
remove the use of `emacsclient' to kill the service. Emacs 28 changes
the `StartupWMClass' in emacsclient.desktop to `Emacsd'. Update our
emacs.service and emacsclient.desktop definitions to match upstream
changes.

When killing emacs.service, the socket is removed, and subsequently
starting the service manually results in a service without a socket.
Prevent this by adding `RefuseManualStart=true' to the service's Unit
definition.

Drop Emacs 26 support as it is no longer shipped in nixpkgs. Update the
tests to verify the following configuration scenarios:

- Emacs version: 27, 28
- Socket activation: disabled, enabled
2021-06-06 01:00:19 +02:00
Terje Larsen
a3a0f1289a
emacs: make service package configurable 2020-11-22 13:09:22 +01:00
Tad Fisher
b5291e995f
emacs: avoid desktop file collision 2020-10-28 11:56:22 -07:00
Robert Helgesson
18429f1d1d
emacs: remove use of makeDesktopItem
Can generate the file directly to avoid the dependency on the
`makeDesktopItem` API.
2020-10-22 22:00:22 +02:00
Tad Fisher
54b69d2ef8
emacs: fix service environment
Emacs populates 'exec-path' at launch from the 'PATH' environment
variable. Likewise, the emacs derivation from nixpkgs populates
'load-path' from the 'NIX_PROFILES' variable. As neither of these are
available by default in the systemd user manager, revert to the
previous behavior of launching the Emacs daemon from a login shell.

Fixes 
Fixes 
PR 
2020-06-24 22:50:30 +02:00
Tad Fisher
2209d3cb51
emacs: add myself to maintainers 2020-06-11 20:40:10 +02:00
Tad Fisher
3815248786
emacs: Support socket activation via systemd
Add 'services.emacs.socketActivation.enable' for generating an
'emacs.socket' systemd unit.

Emacs since version 26 has supported socket activation, whereby an
external process manager such as systemd listens on a socket and passes
it to the Emacs daemon when the manager launches it. This improves
startup time of the user session and avoids launching the daemon when not
needed, for example when launching the user session via SSH.

This implementation hard-codes the socket path to the default for the
version of 'programs.emacs.finalPackage', because systemd does not
perform shell expansion in the socket unit's 'ListenStream' parameter
and it seems like an advanced use-case to change the socket path. Shell
expansion would be desirable as the socket path usually resides in
directories such as $XDG_RUNTIME_DIR or $TMPDIR.

Tests were added to verify behavior in the following cases:

- Emacs service with socket activation disabled
- Emacs 26 with socket activation enabled
- Emacs 27 with socket activation enabled

PR 
2020-06-11 20:39:49 +02:00
Hugo Geoffroy
9f396fddc6
emacs: add emacsclient desktop file
Add an option to enable a .desktop file for the Emacs client.

PR 

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
Robert Helgesson
45abf3d38a
Apply nixfmt on many files 2020-02-02 01:07:28 +01:00
Robert Helgesson
eb1b86a5ec
Replace use of stdenv.shell by runtimeShell 2019-08-22 08:35:06 +02:00
Robert Helgesson
9c0536deda
emacs: prevent service restart on change
Fixes 
2019-04-18 01:38:25 +02:00
Jonas Holst Damtoft
0ca1bf3cfd
emacs: add service module 2019-02-09 15:28:11 +01:00