nixvim: init

home/nixvim/default.nix

@@ -0,0 +1,156 @@
+{ pkgs, ...}:
+{
+  programs.nixvim = {
+    enable = true;
+    plugins.lualine.enable = true;
+    opts = {
+      number = true;
+      relativenumber = true;
+      expandtab = true;
+      autoindent = true;
+      shiftwidth = 2;
+      smartindent = true;
+      tabstop = 2;
+      ignorecase = true;
+      incsearch = true;
+      smartcase = true;
+    };
+    colorscheme = "iceberg";
+    clipboard.register = "unnamedplus";
+
+    globals = {
+      mapleader = ",";
+    };
+
+    extraPlugins = with pkgs.vimPlugins; [
+      iceberg-vim
+    ];
+
+    keymaps = [
+      {
+        action = "<cmd>Neotree toggle<CR>";
+        key = "<space>s";
+        mode = "n";
+        options.silent = true;
+      }
+      {
+        # shortcut to command mode
+        action = ":";
+        key = ";";
+        mode = ["n" "x"];
+        options.silent = true;
+      }
+      {
+        # insert line below without moving cursor
+        action = "printf('m`%so<ESC>``', v:count1)";
+        key = "<space>o";
+        options.expr = true;
+        mode = "n";
+      }
+      {
+        # insert line above without moving cursor
+        action = "printf('m`%sO<ESC>``', v:count1)";
+        key = "<space>O";
+        options.expr = true;
+        mode = "n";
+      }
+      # nice emacs bindings
+      {
+        action = "<HOME>";
+        key = "<C-a>";
+        mode = "i";
+      }
+      {
+        action = "<END>";
+        key = "<C-e>";
+        mode = "i";
+      }
+    ];
+
+    plugins.cmp = {
+      enable = true;
+      settings.sources = [
+        { name = "nvim_lsp"; }
+        { name = "luasnip"; }
+        { name = "buffer"; }
+        { name = "nvim_lua"; }
+        { name = "path"; }
+      ];
+
+      settings.mappings = {
+        "<C-h>" = "cmp.mapping.abort()";
+        "<C-n>" = "cmp.mapping.select_next_item()";
+        "<C-p>" = "cmp.mapping.select_prev_item()";
+        "<C-d>" = "cmp.mapping.scroll_docs(-4)";
+        "<C-u>" = "cmp.mapping.scroll_docs(4)";
+        "<C-k>" = "cmp.mapping.confirm({ select = true })";
+        "<Tab>" = ''
+          cmp.mapping(function(fallback)
+            if require("luasnip").expand_or_jumpable() then
+              require("luasnip").expand_or_jump()
+            else
+              fallback()
+            end
+          end,{"i","s"})
+        '';
+        "<S-Tab>" = ''
+          cmp.mapping(function(fallback)
+            if require("luasnip").jumpable(-1) then
+              require("luasnip").jump(-1)
+            else
+              fallback()
+            end
+          end,{"i","s"})
+        '';
+      };
+    };
+    plugins.lsp = {
+      enable = true;
+      keymaps.lspBuf = {
+        "K" = "hover";
+        "gd" = "definition";
+        "gD" = "references";
+        "gt" = "type_definition";
+        "gi" = "implementation";
+      };
+      servers = {
+        bashls.enable = true;
+        lua_ls.enable = true;
+        nil_ls.enable = true;
+        rust_analyzer = {
+          enable = true;
+          installRustc = true;
+          installCargo = true;
+        };
+      };
+    };
+    plugins.treesitter = {
+      enable = true;
+      nixGrammars = true;
+      settings.indent.enable = true;
+    };
+    plugins.fzf-lua = {
+      enable = true;
+      keymaps = {
+        "<leader>ff" = "git_files";
+        "<leader>fg" = "live_grep";
+      };
+    };
+
+    plugins.neo-tree = {
+      enable = true;
+      closeIfLastWindow = true;
+    };
+
+    plugins.cmp-buffer.enable = true;
+    plugins.cmp-emoji.enable = true;
+    plugins.cmp-nvim-lsp.enable = true;
+    plugins.cmp-path.enable = true;
+    plugins.cmp_luasnip.enable = true;
+    plugins.luasnip.enable = true;
+    plugins.nvim-autopairs.enable = true;
+    plugins.rainbow-delimiters.enable = true;
+    plugins.web-devicons.enable = true;
+    plugins.gitsigns.enable = true;
+  };
+}