Migrate configuration to nixvim

config/plugins/cmp/cmp.nix

@@ -0,0 +1,38 @@
+{ ... }:
+
+{
+  # Autocompletion plugin
+  plugins.cmp = {
+    enable = true;
+    # Options provided to the require('cmp').setup function.
+    settings = {
+      # The sources to use
+      sources = [
+        { name = "nvim_lsp"; }  # LSP source for cmp
+        { name = "luasnip"; }   # Snippets source for cmp
+      ];
+      # The snippet expansion function.
+      snippet.expand = ''
+        function(args)
+          require('luasnip').lsp_expand(args.body)
+        end
+      '';
+      # cmp mappings declaration
+      mapping = {
+        # Select next/previous item.
+        "<C-e>" = "cmp.mapping.select_next_item()";
+        "<C-o>" = "cmp.mapping.select_prev_item()";
+        # Scroll through documentation.
+        "<C-s>" = "cmp.mapping.scroll_docs(-4)";
+        "<C-t>" = "cmp.mapping.scroll_docs(4)";
+        # Confirm selection.
+        "<C-CR>" = "cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true })";
+        # Exit completion.
+        "<C-Esc>" = "cmp.mapping.abort()";
+      };
+    };
+    # Scans the sources array and enable the corresponding plugins if they are known to nixvim.
+    autoEnableSources = true;
+  };
+}
+

config/plugins/editor/bufdelete.nix

@@ -0,0 +1,23 @@
+{ ... }:
+
+{
+  plugins.bufdelete = {
+    enable = true;
+  };
+
+  keymaps = [
+    {
+      mode = "n";
+      key = "<leader>bd";
+      action = "<cmd>Bdelete<cr>";
+      options.desc = "Buffer Delete";
+    }
+    {
+      mode = "n";
+      key = "<leader>bw";
+      action = "<cmd>Bwipeout<cr>";
+      options.desc = "Buffer Wipeout";
+    }
+  ];
+}
+

config/plugins/editor/comment.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  plugins.comment = {
+    enable = true;
+  };
+}
+

config/plugins/editor/neo-tree.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  plugins.neo-tree = {
+    enable = true;
+  };
+
+  keymaps = [
+    {
+      mode = "n";
+      key = "\\";
+      action = "<cmd>Neotree toggle<cr>";
+      options.desc = "Toggle Neotree";
+    }
+  ];
+}
+

config/plugins/editor/treesitter.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+
+{
+  # Tree-sitter is a parser generator tool and an incremental parsing library.
+  plugins.treesitter = {
+    enable = true;
+
+    # Options provided to the require('nvim-treesitter.configs').setup function.
+    settings = {
+      highlight = { 
+        enable = true; # Enable syntax highlighing.
+      };
+      indent = {
+        enable = true; # Enable auto indentation.
+      };
+    };
+
+    # Highlight `extraConfigLua` as lua.
+    nixvimInjections = true;
+    # Install all grammar packages.
+    grammarPackages = pkgs.vimPlugins.nvim-treesitter.allGrammars;
+  };
+}
+

config/plugins/git/gitsigns.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  plugins.gitsigns = {
+    enable = true;
+  };
+}
+

config/plugins/git/lazygit.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  plugins.lazygit = {
+    enable = true;
+  };
+
+  keymaps = [
+    {
+      mode = "n";
+      key = "<leader>lg";
+      action = "<cmd>LazyGit<cr>";
+      options.desc = "LazyGit";
+    }
+  ];
+}
+

config/plugins/lsp/lsp.nix

@@ -0,0 +1,57 @@
+{ ... }:
+
+{
+  plugins.lsp = {
+    enable = true; # Enable neovim's built-in LSP.
+
+    # Configure our language servers
+    servers = {
+      # C/C++
+      clangd = {
+        enable = true;
+      };
+      # Clojure
+      clojure-lsp = {
+        enable = true;
+      };
+      # Haskell
+      hls = {
+        enable = true;
+      };
+      # Lua
+      lua-ls = {
+        enable = true;
+      };
+      # Nix
+      nil-ls = {
+        enable = true;
+      };
+      # YAML
+      yamlls = {
+        enable = true;
+      };
+    };
+
+    keymaps = {
+      # nvim-lsp keymaps should be silent
+      silent = true;
+      # Configure keymaps for our diagnostics. 
+      diagnostic = {
+        "<leader>n" = "open_float"; # Show diagnostics in floating window.
+        "<leader>o" = "goto_prev";  # Jump to previous diagnostic.
+        "<leader>e" = "goto_next";  # Jump to next diagnostic.
+      };
+      # Configure keymaps for our lspbuf.
+      lspBuf = {
+        K = "hover";            # Displays hover information¹
+        gr = "references";      # Lists all the references¹
+        gd = "definition";      # Jumps to the definition¹
+        gD = "declaration";     # Jumps to the declaration¹
+        gi = "implementation";  # Lists all the implementations¹
+        gt = "type_definition"; # Jumps to the definition of the type¹
+        # ¹ for the symbol under the cursor
+      };
+    };
+  };
+}
+

config/plugins/snippets/luasnip.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  plugins.luasnip = {
+    enable = true;
+    extraConfig = {
+      enable_autosnippets = true;
+      store_selection_keys = "<Tab>";
+    };    
+  };
+}
+

config/plugins/themes/default.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+
+{
+  extraPlugins = with pkgs.vimPlugins; [
+    gruvbox-material
+  ];
+ 
+  extraConfigLua = ''
+    vim.o.termguicolors = true
+    vim.g.gruvbox_material_background = 'hard'
+    vim.g.gruvbox_material_enable_italic = 1
+    vim.cmd.colorscheme('gruvbox-material')
+  '';
+}
+

config/plugins/ui/lualine.nix

@@ -0,0 +1,75 @@
+{ ... }:
+
+{
+  plugins.lualine = {
+    enable = true;
+    globalstatus = true;
+    theme = "gruvbox-material";
+
+    # Load our extensions
+    extensions = [
+      "nvim-tree"
+    ];
+
+    # Icons for our separators
+    componentSeparators = { left = ""; right = ""; };
+    sectionSeparators = { left = ""; right = ""; };
+
+    # Display components in tabline
+    tabline.lualine_a = [ { name = "buffers"; } ];
+
+    # Lualine has sections as shown below
+    # +-------------------------------------------------+
+    # | A | B | C                             X | Y | Z |
+    # +-------------------------------------------------+
+    sections = {
+      # Section A
+      lualine_a = [ { name = "mode"; icon = ""; } ];
+
+      # Section B
+      lualine_b = [
+        # Git branch
+        { name = "branch"; icon = ""; }
+
+        # Git diff status
+        { name = "diff";
+          extraConfig.symbols = {
+            added = " ";
+            modified = " ";
+            removed = " ";
+          };
+        }
+
+        # Diagnostic count from nvim_lsp
+        { name = "diagnostics";
+          extraConfig = {
+            sources = [ "nvim_lsp" ];
+            symbols = {
+              error = " ";
+              warn = " ";
+              info = " ";
+              hint = "󰝶 ";
+            };
+          };
+        }
+      ];
+
+      # Section C
+      lualine_c = [ { name = "filename"; extraConfig = { path = 1; }; } ];
+
+      # Section X
+      lualine_x = [
+        { name = "encoding"; }
+        { name = "fileformat"; }
+        { name = "filetype"; }
+      ];
+
+      # Section Y
+      lualine_y = [ { name = "progress"; } ];
+
+      # Section Z
+      lualine_z = [ { name = "location"; } ];
+    };
+  };
+}
+

config/plugins/utils/telescope.nix

@@ -0,0 +1,19 @@
+{ ... }:
+
+{
+  plugins.telescope = {
+    enable = true;
+
+    keymaps = {
+      "<leader>ff" = {
+        action = "find_files";
+        options.desc = "Find Files";
+      };
+      "<leader>fb" = {
+        action = "buffers";
+        options.desc = "Buffers";
+      };
+    };
+  };
+}
+

config/plugins/utils/whichkey.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  plugins.which-key = {
+    enable = true;
+  };
+}
+