nixos-configs/common/home/neovim/langs/java.nix

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{
config,
lib,
pkgs,
...
}: let
inherit (pkgs) vimPlugins;
inherit (config.vars) neovimIde;
javaSdk = pkgs.temurin-bin-17;
javaPkgs = with pkgs; [gradle maven];
in
lib.mkIf neovimIde {
home.packages = javaPkgs;
xdg.dataFile.".gradle/gradle.properties".text = ''
org.gradle.java.home = ${javaSdk}
'';
programs = {
java = {
enable = true;
package = javaSdk;
};
neovim = {
extraPackages = javaPkgs;
extraLuaConfig =
/*
lua
*/
''
vim.api.nvim_create_autocmd('FileType', {
pattern = 'java',
command = 'setlocal ts=4 sw=4 sts=0 expandtab',
});
'';
plugins = [
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{
# TOOD: setup debugger https://github.com/mfussenegger/nvim-jdtls#debugger-via-nvim-dap
plugin = vimPlugins.nvim-jdtls;
type = "lua";
config =
/*
lua
*/
''
local startJdtls = function()
local config = require('coq').lsp_ensure_capabilities({
cmd = { '${pkgs.jdt-language-server}/bin/jdtls' },
root_dir = vim.fs.dirname(vim.fs.find(
{ 'gradlew', '.git', 'mvnw', 'pom.xml' },
{ upward = true }
)[1]),
settings = {
java = {
configuration = {
runtimes = {
{
name = 'JavaSE-17',
path = '${javaSdk}',
},
},
},
},
},
});
require('jdtls').start_or_attach(config);
end
vim.api.nvim_create_autocmd('FileType', {
pattern = 'java',
callback = startJdtls,
});
'';
}
];
};
};
}