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lang/haskell: don't install hls

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Ching Pei Yang 2026-05-07 21:31:20 +02:00
commit 831a8d6e0b
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3 changed files with 48 additions and 40 deletions
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33
modules/plugins/languages/haskell.nix
View file

@ -4,14 +4,14 @@
pkgs,
...
}: let
inherit (builtins) isList attrNames;
inherit (lib.types) either package enum listOf str;
inherit (builtins) isList;
inherit (lib.attrsets) genAttrs;
inherit (lib.types) either package listOf str;
inherit (lib.options) mkEnableOption mkOption literalExpression;
inherit (lib.modules) mkIf mkMerge;
inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption;
inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption enumWithRename;
inherit (lib.nvim.dag) entryAfter;
inherit (lib.nvim.lua) toLuaObject;
inherit (lib.nvim.custom) enumWithRename;
inherit (pkgs) haskellPackages;
cfg = config.vim.languages.haskell;
@ -43,7 +43,7 @@ in {
type = listOf (
enumWithRename
"vim.languages.haskell.lsp.servers"
(attrNames servers)
servers
{hls = "haskell-tools";}
);
default = defaultServers;
@ -53,9 +53,10 @@ in {
> [!NOTE]
>
> HLS is extremely picky about your GHC version - most likely you'll
> have to install your specific HLS version in a devShell that matches
> your GHC version.
> Since HLS is very picky about the GHC version, we do not provide
> a default HLS. You'll have to install your own. It is recommended
> to install `haskell-language-server` in a devShell, along with the
> GHC version you need.
'';
};
};
@ -90,6 +91,15 @@ in {
};
})
(mkIf cfg.lsp.enable {
vim.lsp = {
presets = genAttrs cfg.lsp.servers (_: {enable = true;});
servers = genAttrs cfg.lsp.servers (_: {
filetypes = ["haskell" "lhaskell"];
});
};
})
(mkIf cfg.dap.enable {
vim.languages.haskell.extensions.haskell-tools-nvim = {
enable = true;
@ -107,12 +117,7 @@ in {
(mkIf cfg.extensions.haskell-tools-nvim.enable {
vim = {
startPlugins = ["haskell-tools-nvim"];
luaConfigRC.haskell-tools-nvim =
entryAfter
["lsp-servers"]
''
vim.g.haskell_tools = ${cfg.extensions.haskell-tools-nvim.setupOpts}
'';
globals.haskell_tools = cfg.extensions.haskell-tools-nvim.setupOpts;
};
})
]);

1
modules/plugins/lsp/presets/default.nix
View file

@ -21,6 +21,7 @@
./glsl_analyzer.nix
./gopls.nix
./harper.nix
./haskell-tools.nix
./helm-ls.nix
./intelephense.nix
./jdt-language-server.nix

54
modules/plugins/lsp/presets/haskell-tools.nix
View file

@ -1,47 +1,49 @@
{
config,
lib,
pkgs,
...
}: let
inherit (lib.meta) getExe';
inherit (lib.modules) mkIf;
inherit (lib.nvim.types) mkLspPresetEnableOption;
inherit (lib.generators) mkLuaInline;
cfg = config.vim.lsp.presets.haskell-tools;
haskell-toolsPackage = pkgs.haskellPackages.haskell-language-server;
in {
options.vim.lsp.presets.haskell-tools = {
enable = mkLspPresetEnableOption "haskell-tools-nvim" "Haskell" ["haskell"];
};
config = mkIf cfg.enable {
vim.lsp.servers.haskell-tools = {
# The plugin will handle startup
enable = false;
# TODO: does this actually work?
cmd = [(getExe' haskell-toolsPackage "haskell-language-server-wrapper")];
on_attach = mkLuaInline ''
function(client, bufnr)
local ht = require("haskell-tools")
local opts = { noremap = true, silent = true, buffer = bufnr }
vim.keymap.set('n', '<localleader>cl', vim.lsp.codelens.run, opts)
vim.keymap.set('n', '<localleader>hs', ht.hoogle.hoogle_signature, opts)
vim.keymap.set('n', '<localleader>ea', ht.lsp.buf_eval_all, opts)
vim.keymap.set('n', '<localleader>rr', ht.repl.toggle, opts)
vim.keymap.set('n', '<localleader>rf', function()
ht.repl.toggle(vim.api.nvim_buf_get_name(0))
end, opts)
vim.keymap.set('n', '<localleader>rq', ht.repl.quit, opts)
end
'';
settings = {
haskell = {
formattingProvider = "ormolu";
cabalFormattingProvider = "cabal-fmt";
vim = {
lsp.servers.haskell-tools = {
# The plugin will handle startup
enable = false;
# NOTE: pkgs.haskell-language-server does not expose the haskell-language-server program
on_attach = mkLuaInline ''
function(client, bufnr)
local ht = require("haskell-tools")
local opts = { noremap = true, silent = true, buffer = bufnr }
vim.keymap.set('n', '<localleader>cl', vim.lsp.codelens.run, opts)
vim.keymap.set('n', '<localleader>hs', ht.hoogle.hoogle_signature, opts)
vim.keymap.set('n', '<localleader>ea', ht.lsp.buf_eval_all, opts)
vim.keymap.set('n', '<localleader>rr', ht.repl.toggle, opts)
vim.keymap.set('n', '<localleader>rf', function()
ht.repl.toggle(vim.api.nvim_buf_get_name(0))
end, opts)
vim.keymap.set('n', '<localleader>rq', ht.repl.quit, opts)
end
'';
settings = {
haskell = {
formattingProvider = "ormolu";
cabalFormattingProvider = "cabal-fmt";
};
};
};
languages.haskell.extensions.haskell-tools-nvim = {
enable = true;
};
};
};
}