nvim: bootstrap minimal nix-first config

.config/nvim/lua/plugins/completion.lua

@@ -0,0 +1,40 @@
+return {
+  {
+    "saghen/blink.cmp",
+    version = "*",
+    opts = {
+      keymap = {
+        preset = "super-tab",
+      },
+      appearance = {
+        nerd_font_variant = "mono",
+      },
+      completion = {
+        accept = {
+          auto_brackets = {
+            enabled = true,
+          },
+        },
+        documentation = {
+          auto_show = false,
+        },
+        ghost_text = {
+          enabled = true,
+          show_with_menu = false,
+        },
+        menu = {
+          auto_show = false,
+        },
+      },
+      signature = {
+        enabled = true,
+      },
+      sources = {
+        default = { "lsp", "path", "buffer" },
+      },
+      fuzzy = {
+        implementation = "prefer_rust_with_warning",
+      },
+    },
+  },
+}

.config/nvim/lua/plugins/editor.lua

@@ -0,0 +1,53 @@
+return {
+  { "nvim-lua/plenary.nvim", lazy = true },
+
+  {
+    "nvim-telescope/telescope.nvim",
+    branch = "0.1.x",
+    cmd = "Telescope",
+    dependencies = {
+      "nvim-lua/plenary.nvim",
+      "nvim-tree/nvim-web-devicons",
+    },
+    keys = {
+      { "<leader>ff", "<cmd>Telescope find_files<cr>", desc = "Find files" },
+      { "<leader>fg", "<cmd>Telescope live_grep<cr>", desc = "Live grep" },
+      { "<leader>fb", "<cmd>Telescope buffers<cr>", desc = "Buffers" },
+      { "<leader>fh", "<cmd>Telescope help_tags<cr>", desc = "Help tags" },
+      { "<leader>gc", "<cmd>Telescope git_commits<cr>", desc = "Git commits" },
+      { "<leader>gB", "<cmd>Telescope git_branches<cr>", desc = "Git branches" },
+      { "<leader>gs", "<cmd>Telescope git_status<cr>", desc = "Git status" },
+      { "<leader>gf", "<cmd>Telescope git_files<cr>", desc = "Git files" },
+    },
+    opts = {
+      defaults = {
+        sorting_strategy = "ascending",
+        layout_config = {
+          prompt_position = "top",
+        },
+      },
+    },
+  },
+
+  {
+    "nvim-treesitter/nvim-treesitter",
+    event = { "BufReadPost", "BufNewFile" },
+    build = ":TSUpdate",
+    main = "nvim-treesitter",
+    opts = {
+      ensure_installed = {
+        "bash",
+        "lua",
+        "luadoc",
+        "markdown",
+        "markdown_inline",
+        "nix",
+        "query",
+        "vim",
+        "vimdoc",
+      },
+      highlight = { enable = true },
+      indent = { enable = true },
+    },
+  },
+}

.config/nvim/lua/plugins/explorer.lua

@@ -0,0 +1,46 @@
+return {
+  {
+    "stevearc/oil.nvim",
+    cmd = "Oil",
+    keys = {
+      {
+        "-",
+        "<cmd>Oil<cr>",
+        desc = "Open parent directory",
+      },
+      {
+        "<leader>e",
+        function()
+          require("oil").toggle_float()
+        end,
+        desc = "Explorer (Oil)",
+      },
+    },
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    opts = {
+      default_file_explorer = true,
+      columns = {
+        "icon",
+      },
+      delete_to_trash = false,
+      skip_confirm_for_simple_edits = true,
+      view_options = {
+        show_hidden = true,
+      },
+      float = {
+        padding = 2,
+        max_width = 90,
+        max_height = 0,
+        border = "rounded",
+      },
+      keymaps = {
+        ["<C-v>"] = { "actions.select", opts = { vertical = true } },
+        ["<C-s>"] = { "actions.select", opts = { horizontal = true } },
+        ["<C-p>"] = "actions.preview",
+        ["<Esc>"] = "actions.close",
+      },
+    },
+  },
+}

.config/nvim/lua/plugins/format.lua

@@ -0,0 +1,36 @@
+return {
+  {
+    "stevearc/conform.nvim",
+    event = { "BufWritePre" },
+    cmd = { "ConformInfo" },
+    keys = {
+      {
+        "<leader>cf",
+        function()
+          require("conform").format({ async = true, lsp_fallback = true })
+        end,
+        mode = { "n", "v" },
+        desc = "Format buffer",
+      },
+    },
+    opts = {
+      notify_on_error = false,
+      format_on_save = function()
+        return {
+          timeout_ms = 1000,
+          lsp_fallback = true,
+        }
+      end,
+      formatters_by_ft = {
+        lua = { "stylua" },
+        nix = { "alejandra", "nixfmt" },
+        sh = { "shfmt" },
+        bash = { "shfmt" },
+        zsh = { "shfmt" },
+        json = { "prettierd", "prettier" },
+        yaml = { "prettierd", "prettier" },
+        markdown = { "prettierd", "prettier" },
+      },
+    },
+  },
+}

.config/nvim/lua/plugins/lint.lua

@@ -0,0 +1,23 @@
+return {
+  {
+    "mfussenegger/nvim-lint",
+    event = { "BufReadPre", "BufNewFile" },
+    config = function()
+      local lint = require("lint")
+
+      lint.linters_by_ft = {
+        sh = { "shellcheck" },
+        bash = { "shellcheck" },
+        zsh = { "shellcheck" },
+      }
+
+      local group = vim.api.nvim_create_augroup("user-lint", { clear = true })
+      vim.api.nvim_create_autocmd({ "BufEnter", "BufWritePost", "InsertLeave" }, {
+        group = group,
+        callback = function()
+          lint.try_lint()
+        end,
+      })
+    end,
+  },
+}

.config/nvim/lua/plugins/lsp.lua

@@ -0,0 +1,158 @@
+return {
+  {
+    "folke/lazydev.nvim",
+    ft = "lua",
+    opts = {
+      library = {
+        { path = "${3rd}/luv/library", words = { "vim%.uv" } },
+      },
+    },
+  },
+
+  {
+    "neovim/nvim-lspconfig",
+    event = { "BufReadPre", "BufNewFile" },
+    config = function()
+      -- Nix-first workflow:
+      -- - install language servers with nix profile / flake / devShell
+      -- - start Neovim from a direnv-loaded shell
+      -- - Neovim uses server binaries from PATH only
+      local lspconfig = require("lspconfig")
+      local util = require("lspconfig.util")
+
+      vim.diagnostic.config({
+        severity_sort = true,
+        virtual_text = {
+          spacing = 2,
+          source = "if_many",
+        },
+        float = { border = "rounded" },
+      })
+
+      vim.api.nvim_create_autocmd("LspAttach", {
+        group = vim.api.nvim_create_augroup("user-lsp-attach", { clear = true }),
+        callback = function(event)
+          local map = function(keys, func, desc)
+            vim.keymap.set("n", keys, func, { buffer = event.buf, desc = desc })
+          end
+
+          map("gd", vim.lsp.buf.definition, "Goto definition")
+          map("gD", vim.lsp.buf.declaration, "Goto declaration")
+          map("gr", vim.lsp.buf.references, "Goto references")
+          map("gi", vim.lsp.buf.implementation, "Goto implementation")
+          map("K", vim.lsp.buf.hover, "Hover")
+          map("<leader>rn", vim.lsp.buf.rename, "Rename")
+          map("<leader>ca", vim.lsp.buf.code_action, "Code action")
+          map("<leader>cd", vim.diagnostic.open_float, "Line diagnostics")
+
+          if vim.lsp.inlay_hint then
+            map("<leader>uh", function()
+              vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled({ bufnr = event.buf }), { bufnr = event.buf })
+            end, "Toggle inlay hints")
+          end
+        end,
+      })
+
+      local capabilities = vim.lsp.protocol.make_client_capabilities()
+
+      local ok_blink, blink = pcall(require, "blink.cmp")
+      if ok_blink then
+        capabilities = blink.get_lsp_capabilities(capabilities)
+      end
+
+      local missing = {}
+
+      local function setup(server, bin, config)
+        config = config or {}
+        config.capabilities = vim.tbl_deep_extend("force", capabilities, config.capabilities or {})
+
+        if vim.fn.executable(bin) ~= 1 then
+          table.insert(missing, string.format("%s (%s)", server, bin))
+          return
+        end
+
+        lspconfig[server].setup(config)
+      end
+
+      setup("lua_ls", "lua-language-server", {
+        cmd = { "lua-language-server" },
+        settings = {
+          Lua = {
+            completion = { callSnippet = "Replace" },
+            diagnostics = { globals = { "vim" } },
+            telemetry = { enable = false },
+            workspace = { checkThirdParty = false },
+          },
+        },
+      })
+
+      setup("nixd", "nixd", {
+        cmd = { "nixd" },
+      })
+
+      setup("bashls", "bash-language-server", {
+        cmd = { "bash-language-server", "start" },
+      })
+
+      setup("marksman", "marksman", {
+        cmd = { "marksman", "server" },
+      })
+
+      setup("ts_ls", "typescript-language-server", {
+        cmd = { "typescript-language-server", "--stdio" },
+        root_dir = util.root_pattern("tsconfig.json", "jsconfig.json", "package.json", ".git"),
+        single_file_support = false,
+      })
+
+      setup("gopls", "gopls", {
+        cmd = { "gopls" },
+        settings = {
+          gopls = {
+            gofumpt = true,
+            analyses = {
+              unusedparams = true,
+            },
+            staticcheck = true,
+          },
+        },
+      })
+
+      setup("rust_analyzer", "rust-analyzer", {
+        cmd = { "rust-analyzer" },
+        settings = {
+          ["rust-analyzer"] = {
+            cargo = {
+              allFeatures = true,
+            },
+            checkOnSave = {
+              command = "clippy",
+            },
+          },
+        },
+      })
+
+      setup("pyright", "pyright-langserver", {
+        cmd = { "pyright-langserver", "--stdio" },
+        settings = {
+          python = {
+            analysis = {
+              autoSearchPaths = true,
+              useLibraryCodeForTypes = true,
+              diagnosticMode = "workspace",
+            },
+          },
+        },
+      })
+
+      if #missing > 0 and #vim.api.nvim_list_uis() > 0 then
+        vim.schedule(function()
+          vim.notify(
+            "LSP not on PATH (install with Nix):\n- " .. table.concat(missing, "\n- "),
+            vim.log.levels.INFO,
+            { title = "nvim-lspconfig" }
+          )
+        end)
+      end
+    end,
+  },
+}

.config/nvim/lua/plugins/statusline.lua

@@ -0,0 +1,41 @@
+return {
+  {
+    "nvim-lualine/lualine.nvim",
+    event = "VeryLazy",
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    opts = {
+      options = {
+        theme = "catppuccin",
+        globalstatus = true,
+        section_separators = "",
+        component_separators = "│",
+        disabled_filetypes = {
+          statusline = { "oil" },
+        },
+      },
+      sections = {
+        lualine_a = { "mode" },
+        lualine_b = { "branch", "diff", "diagnostics" },
+        lualine_c = {
+          {
+            "filename",
+            path = 1,
+          },
+        },
+        lualine_x = {
+          {
+            "lsp_status",
+            ignore_lsp = { "copilot" },
+          },
+          "encoding",
+          "filetype",
+        },
+        lualine_y = { "progress" },
+        lualine_z = { "location" },
+      },
+      extensions = { "quickfix", "lazy" },
+    },
+  },
+}

.config/nvim/lua/plugins/ui.lua

@@ -0,0 +1,58 @@
+return {
+  {
+    "catppuccin/nvim",
+    name = "catppuccin",
+    lazy = false,
+    priority = 1000,
+    opts = {
+      flavour = "mocha",
+      integrations = {
+        gitsigns = true,
+        telescope = true,
+        which_key = true,
+        cmp = true,
+        treesitter = true,
+        native_lsp = {
+          enabled = true,
+        },
+      },
+    },
+    config = function(_, opts)
+      require("catppuccin").setup(opts)
+      vim.cmd.colorscheme("catppuccin")
+    end,
+  },
+
+  { "nvim-tree/nvim-web-devicons", lazy = true },
+
+  {
+    "folke/which-key.nvim",
+    event = "VeryLazy",
+    opts = {},
+  },
+
+  {
+    "lewis6991/gitsigns.nvim",
+    event = { "BufReadPre", "BufNewFile" },
+    opts = {
+      on_attach = function(buffer)
+        local gs = package.loaded.gitsigns
+        local map = function(mode, lhs, rhs, desc)
+          vim.keymap.set(mode, lhs, rhs, { buffer = buffer, desc = desc })
+        end
+
+        map("n", "]h", gs.next_hunk, "Next hunk")
+        map("n", "[h", gs.prev_hunk, "Previous hunk")
+        map("n", "<leader>gp", gs.preview_hunk, "Preview hunk")
+        map("n", "<leader>gr", gs.reset_hunk, "Reset hunk")
+        map("n", "<leader>gb", gs.blame_line, "Blame line")
+      end,
+    },
+  },
+
+  {
+    "numToStr/Comment.nvim",
+    event = "VeryLazy",
+    opts = {},
+  },
+}