Makefile

@@ -1,5 +1,5 @@
 %-darwin:
-	sudo darwin-rebuild --flake ./nix/base-system $*
+	darwin-rebuild --flake ./nix/base-system $*
 
 update-input-%:
 	nix flake lock --update-input $* ./nix/base-system/

nix/base-system/darwin-configuration.nix

@@ -6,11 +6,10 @@ in
 
   nix = {
     package = pkgs.nix;
-    enable = true;
     # SEE: https://github.com/NixOS/nix/issues/4119#issuecomment-1734738812
     settings.sandbox = "relaxed";
     extraOptions = ''
-      experimental-features = nix-command flakes
+      experimental-features = nix-command flakes repl-flake
       extra-platforms = x86_64-darwin aarch64-darwin x86_64-linux
       trusted-users = root zaphar
     '';
@@ -348,6 +347,9 @@ in
     vfkit
   ];
 
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+
   #services.spacebar.enable = true;
   #services.spacebar.package = "${pkgs.spacebar}";
 
@@ -363,7 +365,6 @@ in
         (allow file-read* file-write* process-exec mach-lookup (subpath "${builtins.storeDir}"))
       '';
     };
-    system.primaryUser = "zaphar";
   # Used for backwards compatibility, please read the changelog before changing.
   # $ darwin-rebuild changelog
   system.stateVersion = 4;

nix/base-system/flake.lock

@@ -141,16 +141,15 @@
         ]
       },
       "locked": {
-        "lastModified": 1749744770,
+        "lastModified": 1715871485,
-        "narHash": "sha256-MEM9XXHgBF/Cyv1RES1t6gqAX7/tvayBC1r/KPyK1ls=",
+        "narHash": "sha256-ywapEXmBBI+DVRx/YYC6+6Lk+W8vhShz1uJNvqPKzng=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "536f951efb1ccda9b968e3c9dee39fbeb6d3fdeb",
+        "rev": "cb02884fa1ff5a619a44ab5f1bcc4dedd2d623c2",
         "type": "github"
       },
       "original": {
         "owner": "lnl7",
-        "ref": "nix-darwin-25.05",
         "repo": "nix-darwin",
         "type": "github"
       }
@@ -298,6 +297,24 @@
       "inputs": {
         "systems": "systems_9"
       },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_11": {
+      "inputs": {
+        "systems": "systems_10"
+      },
       "locked": {
         "lastModified": 1687709756,
         "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
@@ -312,7 +329,7 @@
         "type": "github"
       }
     },
-    "flake-utils_11": {
+    "flake-utils_12": {
       "locked": {
         "lastModified": 1649676176,
         "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
@@ -327,9 +344,9 @@
         "type": "github"
       }
     },
-    "flake-utils_12": {
+    "flake-utils_13": {
       "inputs": {
-        "systems": "systems_10"
+        "systems": "systems_11"
       },
       "locked": {
         "lastModified": 1705309234,
@@ -345,9 +362,9 @@
         "type": "github"
       }
     },
-    "flake-utils_13": {
+    "flake-utils_14": {
       "inputs": {
-        "systems": "systems_11"
+        "systems": "systems_12"
       },
       "locked": {
         "lastModified": 1726560853,
@@ -363,9 +380,9 @@
         "type": "github"
       }
     },
-    "flake-utils_14": {
+    "flake-utils_15": {
       "inputs": {
-        "systems": "systems_12"
+        "systems": "systems_13"
       },
       "locked": {
         "lastModified": 1681202837,
@@ -562,6 +579,23 @@
         "type": "github"
       }
     },
+    "harpoon-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1706306053,
+        "narHash": "sha256-RjwNUuKQpLkRBX3F9o25Vqvpu3Ah1TCFQ5Dk4jXhsbI=",
+        "owner": "ThePrimeagen",
+        "repo": "harpoon",
+        "rev": "a38be6e0dd4c6db66997deab71fc4453ace97f9c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ThePrimeagen",
+        "ref": "harpoon2",
+        "repo": "harpoon",
+        "type": "github"
+      }
+    },
     "heracles-flake": {
       "inputs": {
         "flake-compat": "flake-compat_3",
@@ -767,7 +801,7 @@
     },
     "naersk_5": {
       "inputs": {
-        "nixpkgs": "nixpkgs_15"
+        "nixpkgs": "nixpkgs_16"
       },
       "locked": {
         "lastModified": 1650101877,
@@ -785,7 +819,7 @@
     },
     "naersk_6": {
       "inputs": {
-        "nixpkgs": "nixpkgs_16"
+        "nixpkgs": "nixpkgs_17"
       },
       "locked": {
         "lastModified": 1721727458,
@@ -833,6 +867,28 @@
         "type": "github"
       }
     },
+    "neovim-flake": {
+      "inputs": {
+        "flake-utils": "flake-utils_10",
+        "nixpkgs": "nixpkgs_12"
+      },
+      "locked": {
+        "dir": "contrib",
+        "lastModified": 1715862872,
+        "narHash": "sha256-FCOipXHkAbkuFw9JjEpOIJ8BkyMkjkI0Dp+SzZ4yZlw=",
+        "owner": "neovim",
+        "repo": "neovim",
+        "rev": "27fb62988e922c2739035f477f93cc052a4fee1e",
+        "type": "github"
+      },
+      "original": {
+        "dir": "contrib",
+        "owner": "neovim",
+        "ref": "stable",
+        "repo": "neovim",
+        "type": "github"
+      }
+    },
     "nil-flake": {
       "inputs": {
         "flake-utils": "flake-utils_5",
@@ -855,8 +911,8 @@
     },
     "nil-flake_2": {
       "inputs": {
-        "flake-utils": "flake-utils_10",
+        "flake-utils": "flake-utils_11",
-        "nixpkgs": "nixpkgs_12",
+        "nixpkgs": "nixpkgs_13",
         "rust-overlay": "rust-overlay_6"
       },
       "locked": {
@@ -891,16 +947,16 @@
     },
     "nixpkgs-darwin": {
       "locked": {
-        "lastModified": 1749596380,
+        "lastModified": 1735564410,
-        "narHash": "sha256-7DEKr2x/jIAKkwHPNNjG6lGUz9nk8SGrbyaeAFMtN34=",
+        "narHash": "sha256-HB/FA0+1gpSs8+/boEavrGJH+Eq08/R2wWNph1sM1Dg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "210a4a2e3d3853be3a6017e68d2897771fdace35",
+        "rev": "1e7a8f391f1a490460760065fa0630b5520f9cf8",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixpkgs-25.05-darwin",
+        "ref": "nixpkgs-24.05-darwin",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -938,6 +994,22 @@
       }
     },
     "nixpkgs_12": {
+      "locked": {
+        "lastModified": 1715787315,
+        "narHash": "sha256-cYApT0NXJfqBkKcci7D9Kr4CBYZKOQKDYA23q8XNuWg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "33d1e753c82ffc557b4a585c77de43d4c922ebb5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_13": {
       "locked": {
         "lastModified": 1690441914,
         "narHash": "sha256-Ac+kJQ5z9MDAMyzSc0i0zJDx2i3qi9NjlW5Lz285G/I=",
@@ -953,23 +1025,23 @@
         "type": "github"
       }
     },
-    "nixpkgs_13": {
+    "nixpkgs_14": {
       "locked": {
-        "lastModified": 1749747690,
+        "lastModified": 1749123672,
-        "narHash": "sha256-FPhMfYq+ngKpZiYaOblqR6S9z9JVpTlW8EaQ98xwkkU=",
+        "narHash": "sha256-x8ElRL7SBDDGk282ayqaOs5kVlIB8O1cICeHNKeeNPw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f7d4856c2d1af130193777964535304fdc76e368",
+        "rev": "42e9ed325316e9ca4c56dbf44d561823d4defd01",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "release-25.05",
+        "ref": "release-24.11",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs_14": {
+    "nixpkgs_15": {
       "locked": {
         "lastModified": 1689850295,
         "narHash": "sha256-fUYf6WdQlhd2H+3aR8jST5dhFH1d0eE22aes8fNIfyk=",
@@ -985,7 +1057,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_15": {
+    "nixpkgs_16": {
       "locked": {
         "lastModified": 1650109093,
         "narHash": "sha256-tqlnKrAdJktRLXTou9le0oTqrYBAFpGscV5RADdpArU=",
@@ -999,20 +1071,6 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_16": {
-      "locked": {
-        "lastModified": 1729658218,
-        "narHash": "sha256-9Rg+AqLqvqqJniP/OQB3GtgXoAd8IlazsHp97va042Y=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "dfffb2e7a52d29a0ef8e21ec8a0f30487b227f1a",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
     "nixpkgs_17": {
       "locked": {
         "lastModified": 1729658218,
@@ -1028,6 +1086,20 @@
       }
     },
     "nixpkgs_18": {
+      "locked": {
+        "lastModified": 1729658218,
+        "narHash": "sha256-9Rg+AqLqvqqJniP/OQB3GtgXoAd8IlazsHp97va042Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dfffb2e7a52d29a0ef8e21ec8a0f30487b227f1a",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_19": {
       "locked": {
         "lastModified": 1682109806,
         "narHash": "sha256-d9g7RKNShMLboTWwukM+RObDWWpHKaqTYXB48clBWXI=",
@@ -1181,7 +1253,7 @@
     },
     "nurl-flake_2": {
       "inputs": {
-        "nixpkgs": "nixpkgs_14"
+        "nixpkgs": "nixpkgs_15"
       },
       "locked": {
         "lastModified": 1701273941,
@@ -1205,12 +1277,14 @@
         "d2-vim-src": "d2-vim-src_2",
         "darwin": "darwin_2",
         "durnitisp-flake": "durnitisp-flake",
+        "harpoon-src": "harpoon-src",
         "heracles-flake": "heracles-flake",
         "jujutsu-flake": "jujutsu-flake",
         "mcphub-flake": "mcphub-flake",
         "neogit-src": "neogit-src_2",
+        "neovim-flake": "neovim-flake",
         "nil-flake": "nil-flake_2",
-        "nixpkgs": "nixpkgs_13",
+        "nixpkgs": "nixpkgs_14",
         "nixpkgs-darwin": "nixpkgs-darwin",
         "nurl-flake": "nurl-flake_2",
         "roslyn-lsp": "roslyn-lsp_2",
@@ -1218,6 +1292,7 @@
         "rust-overlay-flake": "rust-overlay-flake",
         "sheetsui-flake": "sheetsui-flake",
         "sile-flake": "sile-flake",
+        "treesitter-context": "treesitter-context_2",
         "unstable": "unstable"
       }
     },
@@ -1258,7 +1333,7 @@
     "runwhen-flake": {
       "inputs": {
         "flake-compat": "flake-compat_4",
-        "flake-utils": "flake-utils_11",
+        "flake-utils": "flake-utils_12",
         "naersk": "naersk_5"
       },
       "locked": {
@@ -1300,7 +1375,7 @@
     },
     "rust-overlay-flake": {
       "inputs": {
-        "flake-utils": "flake-utils_12",
+        "flake-utils": "flake-utils_13",
         "nixpkgs": [
           "nixpkgs"
         ]
@@ -1455,9 +1530,9 @@
     },
     "sheetsui-flake": {
       "inputs": {
-        "flake-utils": "flake-utils_13",
+        "flake-utils": "flake-utils_14",
         "naersk": "naersk_6",
-        "nixpkgs": "nixpkgs_17",
+        "nixpkgs": "nixpkgs_18",
         "rust-overlay": "rust-overlay_7"
       },
       "locked": {
@@ -1477,10 +1552,10 @@
     "sile-flake": {
       "inputs": {
         "flake-compat": "flake-compat_5",
-        "flake-utils": "flake-utils_14",
+        "flake-utils": "flake-utils_15",
         "gitignore": "gitignore",
         "libtexpdf-src": "libtexpdf-src",
-        "nixpkgs": "nixpkgs_18"
+        "nixpkgs": "nixpkgs_19"
       },
       "locked": {
         "lastModified": 1694595810,
@@ -1556,6 +1631,21 @@
         "type": "github"
       }
     },
+    "systems_13": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "systems_2": {
       "locked": {
         "lastModified": 1681028828,
@@ -1709,6 +1799,23 @@
         "type": "github"
       }
     },
+    "treesitter-context_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1693236978,
+        "narHash": "sha256-B6BXeFEWxTFf46JrlatsxEQcC6+/hPIDBb5cIcJpLZg=",
+        "owner": "nvim-treesitter",
+        "repo": "nvim-treesitter-context",
+        "rev": "e6b743ccd4e780bc9cd85b707de67df72eea1a23",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nvim-treesitter",
+        "repo": "nvim-treesitter-context",
+        "rev": "e6b743ccd4e780bc9cd85b707de67df72eea1a23",
+        "type": "github"
+      }
+    },
     "unstable": {
       "locked": {
         "lastModified": 1747312588,

nix/base-system/flake.nix

@@ -1,15 +1,15 @@
 {
   inputs = {
     # Default to sane nixpkgs versions
-    nixpkgs.url = "github:nixos/nixpkgs/release-25.05";
+    nixpkgs.url = "github:nixos/nixpkgs/release-24.11";
     unstable.url = "nixpkgs";
-    nixpkgs-darwin.url = "github:nixos/nixpkgs/nixpkgs-25.05-darwin";
+    nixpkgs-darwin.url = "github:nixos/nixpkgs/nixpkgs-24.05-darwin";
     #lean4-flake = { 
     #  url = "github:leanprover/lean4/v4.4.0";
     #  inputs.nixpkgs.follows = "nixpkgs";
     #};
     darwin = {
-      url = "github:lnl7/nix-darwin/nix-darwin-25.05";
+      url = "github:lnl7/nix-darwin";
       # ensure that darwinSystem uses our nixpkgs version
       inputs.nixpkgs.follows = "nixpkgs-darwin";
     };
@@ -31,16 +31,20 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    #neovim-flake = {
+    neovim-flake = {
-    #    url = "github:neovim/neovim/stable?dir=contrib";
+        url = "github:neovim/neovim/stable?dir=contrib";
-    #    # NOTE(jeremy): Currently this needs a newer nixpkgs version
+        # NOTE(jeremy): Currently this needs a newer nixpkgs version
-    #    #inputs.nixpkgs.follows = "nixpkgs";
+        #inputs.nixpkgs.follows = "nixpkgs";
-    #};
+    };
     jujutsu-flake.url = "github:martinvonz/jj";
     custom-flakes = {
         url = "github:zaphar/nix-flakes";
         inputs.nixpkgs.follows = "nixpkgs";
     };
+    harpoon-src = {
+        url = "github:ThePrimeagen/harpoon/harpoon2";
+        flake = false;
+    };
     neogit-src = {
         url = "github:NeogitOrg/neogit";
         flake = false;
@@ -50,6 +54,10 @@
         flake = false;
     };
     # We need to pin to this version of treesitter because it breaks after this revision
+    treesitter-context = {
+        url = "github:nvim-treesitter/nvim-treesitter-context/e6b743ccd4e780bc9cd85b707de67df72eea1a23";
+        flake = false;
+    };
     roslyn-lsp = {
         url = "github:zaphar/roslyn.nvim/main";
         flake = false;
@@ -68,9 +76,11 @@
     agenix-flake,
     nil-flake,
     nurl-flake,
+    harpoon-src,
     custom-flakes,
     unstable,
     heracles-flake,
+    neovim-flake,
     clio-flake,
     sheetsui-flake,
     mcphub-flake,
@@ -83,13 +93,24 @@
     in
     { config, pkgs, ...}: let
         unstablePkgs = import unstable { inherit system; };
+        possession-nvim = pkgs.callPackage ./possession-nvim.nix {
+            inherit (pkgs.vimUtils) buildVimPlugin;
+			      inherit (pkgs) fetchFromGitHub;
+        };
+        harpoon-nvim = pkgs.vimUtils.buildVimPlugin {
+          pname = "harpoon";
+          version = "2024-01-28";
+          src = harpoon-src;
+        };
         neogit-nvim = custom-flakes.packages."${system}".neogit-nvim;
         d2-vim = custom-flakes.packages."${system}".d2-vim;
         hunk-nvim = custom-flakes.packages."${system}".hunk-nvim;
         # TODO(zaphar): Apparently this is a remote plugin so it needs some additional love.
         #nvim-bnf = custom-flakes.packages."${system}".nvim-bnf;
+        nvim-treesitter-context = custom-flakes.packages."${system}".nvim-treesitter-context;
         roslyn-nvim = custom-flakes.packages."${system}".roslyn-nvim;
         ionide-nvim = custom-flakes.packages."${system}".ionide-nvim;
+        nvim = neovim-flake.packages."${system}".neovim;
         # TODO(zaphar): Until nixpkgs update to a newer version of tree-sitter the queries will be wrong
         # for csharp
         #tree-sitter-csharp = pkgs.callPackage ./nvim-treesitter-csharp.nix {
@@ -116,6 +137,7 @@
      
         nixpkgs.overlays = [
             (final: prev: {
+                custom-neovim = nvim;
                 lorri = unstablePkgs.lorri;
                 avante-nvim = unstablePkgs.vimPlugins.avante-nvim;
                 copilot-lua = unstablePkgs.vimPlugins.copilot-lua;
@@ -125,7 +147,7 @@
           neovim.enable = true;
           neovim.vimAlias = true;
           neovim.viAlias = true;
-          #neovim.package = pkgs.custom-neovim;
+          neovim.package = pkgs.custom-neovim;
           neovim.configure = {
           customRC = "lua << EOF
 ${builtins.readFile ./init.lua}
@@ -203,6 +225,8 @@ EOF";
               direnv-vim
               mcphub-nvim
             ]) ++ [
+              possession-nvim
+              harpoon-nvim
               d2-vim
               hunk-nvim
               neogit-nvim
@@ -213,9 +237,9 @@ EOF";
         };
         environment.systemPackages = (with pkgs; [
             terraform-ls
-            tinymist
             nodePackages.typescript-language-server
             nodePackages.jsdoc
+            python312Packages.jedi-language-server
             # TODO find a version of the julia package that will install
             # on darwin and add it as an overlay
             nil-pkg
@@ -295,11 +319,13 @@ EOF";
           };
         };
         environment.systemPackages = (with pkgs; [
+            isabelle
             sheetsui
             lean4
             quint
             quint-lsp
             terraform # TODO(jeremy): Replace with opentofu when that is an option.
+            nomad
             oha
             nodejs
             gnumake

nix/base-system/init.lua

@@ -164,26 +164,23 @@ local caps = vim.tbl_deep_extend(
 
 local lspconfig = require("lspconfig")
 
-local configure_lsp = function(name, config)
-    vim.lsp.enable(name)
-    vim.lsp.config(name, config)
-end
-
 -- Typst
-configure_lsp('tinymist', {
+lspconfig.tinymist.setup {
     capabilities = caps,
     settings = {
         exportPdf = "onSave",
     },
-})
+}
 
 -- Terraform lsp setup
-configure_lsp('terraformls', {})
+lspconfig.terraformls.setup {}
 
 -- Nix language server support
-configure_lsp('nil_ls', {
+lspconfig.nil_ls.setup {
     capabilities = caps,
-})
+}
+
+lspconfig.jedi_language_server.setup {}
 
 require('roslyn').setup({
     --                    client, bufnr
@@ -195,14 +192,23 @@ require('roslyn').setup({
     log_level = "Trace",
 });
 
--- Typescript language server support
+--ocaml
-configure_lsp('tsserver', {
+lspconfig.ocamllsp.setup {
-    cmd = { 'typescript-language-server', '--stdio' },
     capabilities = caps
-})
+}
+
+-- Java language server support
+lspconfig.java_language_server.setup {
+    capabilities = caps
+}
+
+-- Typescript language server support
+lspconfig.tsserver.setup {
+    capabilities = caps
+}
 
 -- Rust language server support
-configure_lsp('rust_analyzer', {
+lspconfig.rust_analyzer.setup {
     settings = {
         -- https://github.com/rust-lang/rust-analyzer/blob/master/docs/user/generated_config.adoc
         ['rust-analyzer'] = {
@@ -210,11 +216,10 @@ configure_lsp('rust_analyzer', {
         }
     },
     capabilities = caps
-})
+}
 
 -- lua language server setup.
-configure_lsp('lua_ls', {
+lspconfig.lua_ls.setup {
-    cmd = { 'lua-language-server' },
     settings = {
         Lua = {
             runtime = { version = 'LuaJIT', },
@@ -234,13 +239,7 @@ configure_lsp('lua_ls', {
         },
     },
     capabilities = caps
-})
+}
-
-configure_lsp('ty', {
-  cmd = { 'ty', 'server' },
-  filetypes = { 'python' },
-  root_markers = { 'ty.toml', 'pyproject.toml', '.git' },
-})
 
 -- lsp configuration
 vim.api.nvim_create_autocmd('LspAttach', {
@@ -273,19 +272,18 @@ vim.api.nvim_create_autocmd({ 'BufEnter', 'InsertLeave', 'CursorHold' }, {
 })
 
 -- LSP Diagnostics Options Setup
-vim.diagnostics.config({ signs = {
+local sign = function(opts)
-    text =  {
+    vim.fn.sign_define(opts.name, {
-        [vim.diagnostic.severity.ERROR] = '🔥',
+        texthl = opts.name,
-        [vim.diagnostic.severity.WARN] = '⚠️',
+        text = opts.text,
-        [vim.diagnostic.severity.HINT] = '➡️',
+        numhl = ''
-        [vim.diagnostic.severity.INFO] = '🗒️',
+    })
-    },
+end
-})
 
---sign({ name = 'DiagnosticSignError', text = '🔥' })
+sign({ name = 'DiagnosticSignError', text = '🔥' })
---sign({ name = 'DiagnosticSignWarn', text = '⚠️' })
+sign({ name = 'DiagnosticSignWarn', text = '⚠️' })
---sign({ name = 'DiagnosticSignHint', text = '➡️' })
+sign({ name = 'DiagnosticSignHint', text = '➡️' })
---sign({ name = 'DiagnosticSignInfo', text = '🗒️' })
+sign({ name = 'DiagnosticSignInfo', text = '🗒️' })
 
 vim.diagnostic.config({
     virtual_text = false,
@@ -339,46 +337,7 @@ require('nvim-treesitter.configs').setup {
         extended_mode = true,
         max_file_lines = nil,
     },
-    textobjects = {
+    textobjects = { enable = true },
-      move = {
-        enable = true,
-        set_jumps = true, -- whether to set jumps in the jumplist
-        goto_next_start = {
-          ["]m"] = "@function.outer",
-          ["]]"] = { query = "@class.outer", desc = "Next class start" },
-          --
-          -- You can use regex matching (i.e. lua pattern) and/or pass a list in a "query" key to group multiple queries.
-          ["]o"] = "@loop.*",
-          -- ["]o"] = { query = { "@loop.inner", "@loop.outer" } }
-          --
-          -- You can pass a query group to use query from `queries/<lang>/<query_group>.scm file in your runtime path.
-          -- Below example nvim-treesitter's `locals.scm` and `folds.scm`. They also provide highlights.scm and indent.scm.
-          ["]s"] = { query = "@local.scope", query_group = "locals", desc = "Next scope" },
-          ["]z"] = { query = "@fold", query_group = "folds", desc = "Next fold" },
-        },
-        goto_next_end = {
-          ["]M"] = "@function.outer",
-          ["]["] = "@class.outer",
-        },
-        goto_previous_start = {
-          ["[m"] = "@function.outer",
-          ["[["] = "@class.outer",
-        },
-        goto_previous_end = {
-          ["[M"] = "@function.outer",
-          ["[]"] = "@class.outer",
-        },
-        -- Below will go to either the start or the end, whichever is closer.
-        -- Use if you want more granular movements
-        -- Make it even more gradual by adding multiple queries and regex.
-        goto_next = {
-          ["]d"] = "@conditional.outer",
-        },
-        goto_previous = {
-          ["[d"] = "@conditional.outer",
-        }
-      },
-    },
     incremental_selection = {
       enable = true,
       keymaps = {
@@ -510,6 +469,33 @@ vim.keymap.set("n", "<Leader>ga", function()
     vim.cmd("!git add %")
 end)
 
+require('possession').setup {
+    commands = {
+        save = 'SSave',
+        load = 'SLoad',
+        delete = 'SDelete',
+        list = 'SList',
+    },
+    autosave = {
+        current = true,
+        on_load = true,
+        on_quit = true,
+    },
+    telescope = {
+        list = {
+            default_action = 'load',
+            mappings = {
+                save = { n = '<c-x>', i = '<c-x>' },
+                load = { n = '<c-v>', i = '<c-v>' },
+                delete = { n = '<c-t>', i = '<c-t>' },
+                rename = { n = '<c-r>', i = '<c-r>' },
+            },
+        },
+    },
+}
+
+
+telescope.load_extension('possession')
 -- https://github.com/nvim-telescope/telescope.nvim
 telescope.setup({
     defaults = {
@@ -531,6 +517,9 @@ telescope.setup({
     },
 })
 
+local harpoon = require('harpoon')
+
+harpoon:setup()
 
 local lean = require 'lean'
 
@@ -549,6 +538,7 @@ lean.setup {
 }
 
 -- telescope keymaps
+vim.keymap.set("n", "<Leader>pl", telescope.extensions.possession.list)
 -- TODO(zaphar): Remove this once my muscle memory has set in.
 vim.keymap.set("n", "<Leader>nff", telescope_builtins.fd)
 vim.keymap.set("n", "<Leader>ff", telescope_builtins.fd)
@@ -564,6 +554,11 @@ end)
 vim.keymap.set("n", "<leader>lds", telescope_builtins.lsp_document_symbols, { desc = "[D]ocument [S]ymbols" })
 vim.keymap.set("n", "<leader>lws", telescope_builtins.lsp_dynamic_workspace_symbols, { desc = "[W]orkspace [S]ymbols" })
 
+-- harpoon keymaps
+vim.keymap.set("n", "<Leader>ha", function() harpoon:list():append() end)
+vim.keymap.set("n", "<Leader>he", function() harpoon.ui:toggle_quick_menu(harpoon:list()) end)
+vim.keymap.set("n", "<Leader>hj", function() harpoon:list():prev() end)
+vim.keymap.set("n", "<Leader>hk", function() harpoon:list():next() end)
 
 -- codelens keymaps
 vim.keymap.set("n", "<Leader>rr", vim.lsp.codelens.run)