neovim: Switch from nvim-cmp to blink

flake.lock

@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "blink.compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1731176257,
+        "narHash": "sha256-/2fGykyb8gmAdchCf96udZLuBxN8feWkQ1BlCl5LsIw=",
+        "owner": "saghen",
+        "repo": "blink.compat",
+        "rev": "a951034404c14051129b47e09cfed83f7a306898",
+        "type": "github"
+      },
+      "original": {
+        "owner": "saghen",
+        "repo": "blink.compat",
+        "type": "github"
+      }
+    },
     "cargo2nix": {
       "inputs": {
         "flake-compat": "flake-compat_2",
@@ -1295,6 +1311,7 @@
     },
     "root": {
       "inputs": {
+        "blink.compat": "blink.compat",
         "comma": "comma",
         "diagram.nvim": "diagram.nvim",
         "fioul": "fioul",

flake.nix

@@ -97,6 +97,10 @@
       url = "github:3rd/diagram.nvim/feature/toggle";
       flake = false;
     };
+    "blink.compat" = {
+      url = "github:saghen/blink.compat";
+      flake = false;
+    };
   };
 
   outputs =

neovim/completion.nix

@@ -1,68 +1,68 @@
+{ pkgs, ... }:
 {
-  extraConfigLuaPre = ''
-    local has_words_before = function()
-      unpack = unpack or table.unpack
-      local line, col = unpack(vim.api.nvim_win_get_cursor(0))
-      return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
-    end
-    local luasnip = require("luasnip")
-  '';
+  extraPlugins = [ pkgs.vimPlugins.blink-compat ];
 
-  plugins.cmp = {
-    enable = true;
-
-    settings = {
-      snippet.expand = ''
-        function(args)
-          require('luasnip').lsp_expand(args.body)
-        end
+  plugins.blink-cmp = {
+    luaConfig.pre = # lua
+      ''
+        require('blink.compat').setup({debug = true})
       '';
-      mapping = {
-        "<CR>" = "cmp.mapping.confirm({select = true })";
-        "<C-d>" = "cmp.mapping.scroll_docs(-4)";
-        "<C-f>" = "cmp.mapping.scroll_docs(4)";
-        "<C-Space>" = "cmp.mapping.complete()";
-        "<Tab>" = # lua
-          ''
-            cmp.mapping(function(fallback)
-              if cmp.visible() then
-                cmp.select_next_item()
-              -- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
-              -- they way you will only jump inside the snippet region
-              elseif luasnip.expand_or_locally_jumpable() then
-                luasnip.expand_or_jump()
-              elseif has_words_before() then
-                cmp.complete()
-              else
-                fallback()
-              end
-            end, { "i", "s" })
-          '';
-        "<S-Tab>" = # lua
-          ''
-            cmp.mapping(function(fallback)
-              if cmp.visible() then
-                cmp.select_prev_item()
-              elseif luasnip.jumpable(-1) then
-                luasnip.jump(-1)
-              else
-                fallback()
-              end
-            end, { "i", "s" })
-          '';
-        "<Down>" = "cmp.mapping(cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Select }), {'i'})";
-        "<Up>" = "cmp.mapping(cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Select }), {'i'})";
-      };
 
-      sources = [
-        { name = "luasnip"; }
-        { name = "nvim_lsp"; }
-        { name = "path"; }
-        { name = "buffer"; }
-        { name = "calc"; }
-        { name = "git"; }
-        { name = "omni"; }
+    enable = true;
+    settings = {
+      keymap = {
+        preset = "enter";
+        "<A-Tab>" = [
+          "snippet_forward"
+          "fallback"
+        ];
+        "<A-S-Tab>" = [
+          "snippet_backward"
+          "fallback"
+        ];
+        "<Tab>" = [
+          "select_next"
+          "fallback"
+        ];
+        "<S-Tab>" = [
+          "select_prev"
+          "fallback"
+        ];
+      };
+      completion.enabled_providers = [
+        "lsp"
+        "buffer"
+        "path"
+        "git"
+        "calc"
+        "omni"
       ];
+      # Does not seem to work
+      providers = {
+        git = {
+          name = "git";
+          module = "blink.compat.source";
+        };
+        calc = {
+          name = "calc";
+          module = "blink.compat.source";
+        };
+        omni = {
+          name = "omni";
+          module = "blink.compat.source";
+        };
+      };
     };
   };
+
+  plugins.lsp.capabilities = # lua
+    ''
+      capabilities = require('blink.cmp').get_lsp_capabilities(capabilities)
+    '';
+
+  plugins.cmp-omni.enable = true;
+  plugins.cmp-git.enable = true;
+  plugins.cmp-calc.enable = true;
+
+  performance.combinePlugins.standalonePlugins = [ "nvim-cmp" ];
 }

neovim/pkg.nix

@@ -37,6 +37,11 @@
                     src = inputs."diagram.nvim";
                     version = inputs."diagram.nvim".shortRev;
                   };
+                  blink-compat = prev.vimUtils.buildVimPlugin {
+                    pname = "blink.compat";
+                    src = inputs."blink.compat";
+                    version = inputs."blink.compat".shortRev;
+                  };
                 }
               );
             }