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# This file builds an Emacs pre-configured with the packages I need
# and my personal Emacs configuration.
#
# On NixOS machines, this Emacs currently does not support
# Imagemagick, see https://github.com/NixOS/nixpkgs/issues/70631.
#
# Forcing Emacs to link against Imagemagick currently causes libvterm
# to segfault, which is a lot less desirable than not having telega
# render images correctly.
{ lib, pkgs, ... }:
pkgs.makeOverridable({ emacs ? pkgs.emacsGcc }:
let
emacsWithPackages = (pkgs.emacsPackagesGen emacs).emacsWithPackages;
# If switching telega versions, use this variable because it will
# keep the version check, binary path and so on in sync.
currentTelega = epkgs: epkgs.melpaPackages.telega;
# $PATH for binaries that need to be available to Emacs
emacsBinPath = lib.makeBinPath [
(currentTelega pkgs.emacsPackages)
pkgs.libwebp # for dwebp, required by telega
];
identity = x: x;
tazjinsEmacs = pkgfun: (emacsWithPackages(epkgs: pkgfun(with epkgs; [
ace-link
ace-window
avy
bazel
browse-kill-ring
cargo
clojure-mode
cmake-mode
company
counsel
counsel-notmuch
d-mode
direnv
dockerfile-mode
eglot
elfeed
elixir-mode
elm-mode
erlang
exwm
flymake
go-mode
google-c-style
gruber-darker-theme
haskell-mode
ht
hydra
idle-highlight-mode
ivy
ivy-prescient
jq-mode
kotlin-mode
lsp-mode
magit
markdown-toc
meson-mode
multi-term
multiple-cursors
nginx-mode
nix-mode
notmuch
paredit
password-store
pinentry
polymode
prescient
protobuf-mode
rainbow-delimiters
rainbow-mode
refine
request
restclient
rust-mode
sly
string-edit
swiper
telephone-line
terraform-mode
toml-mode
transient
undo-tree
use-package
uuidgen
vterm
web-mode
websocket
which-key
xelb
yaml-mode
yasnippet
zoxide
# Wonky stuff
(currentTelega epkgs)
# Custom depot packages (either ours, or overridden ones)
tvlPackages.dottime
tvlPackages.nix-util
tvlPackages.passively
tvlPackages.rcirc
tvlPackages.term-switcher
tvlPackages.tvl
])));
# Tired of telega.el runtime breakages through tdlib
# incompatibility. Target to make that a build failure instead.
tdlibCheck =
let
tgEmacs = emacsWithPackages(epkgs: [ (currentTelega epkgs) ]);
verifyTdlibVersion = builtins.toFile "verify-tdlib-version.el" ''
(require 'telega)
(defvar tdlib-version "${pkgs.tdlib.version}")
(when (or (version< tdlib-version
telega-tdlib-min-version)
(and telega-tdlib-max-version
(version< telega-tdlib-max-version
tdlib-version)))
(message "Found TDLib version %s, but require %s to %s"
tdlib-version telega-tdlib-min-version telega-tdlib-max-version)
(kill-emacs 1))
'';
in pkgs.runCommandNoCC "tdlibCheck" {} ''
export PATH="${emacsBinPath}:$PATH"
${tgEmacs}/bin/emacs --script ${verifyTdlibVersion} && touch $out
'';
in lib.fix(self: l: f: pkgs.writeShellScriptBin "tazjins-emacs" ''
export PATH="${emacsBinPath}:$PATH"
exec ${tazjinsEmacs f}/bin/emacs \
--debug-init \
--no-site-file \
--no-site-lisp \
--no-init-file \
--directory ${./config} ${if l != null then "--directory ${l}" else ""} \
--eval "(require 'init)" $@
'' // {
# Call overrideEmacs with a function (pkgs -> pkgs) to modify the
# packages that should be included in this Emacs distribution.
overrideEmacs = f': self l f';
# Call withLocalConfig with the path to a *folder* containing a
# `local.el` which provides local system configuration.
withLocalConfig = confDir: self confDir f;
# Build a derivation that uses the specified local Emacs (i.e.
# built outside of Nix) instead
withLocalEmacs = emacsBin: pkgs.writeShellScriptBin "tazjins-emacs" ''
export PATH="${emacsBinPath}:$PATH"
export EMACSLOADPATH="${(tazjinsEmacs f).deps}/share/emacs/site-lisp:"
exec ${emacsBin} \
--debug-init \
--no-site-file \
--no-site-lisp \
--no-init-file \
--directory ${./config} \
${if l != null then "--directory ${l}" else ""} \
--eval "(require 'init)" $@
'';
# Expose telega/tdlib version check as a target that is built in
# CI.
inherit tdlibCheck;
meta.targets = [ "tdlibCheck" ];
}) null identity
) {}
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