feat(neovim): add code formatter plugin

modules/home-manager/cli/neovim/default.nix

@@ -10,6 +10,16 @@ let
     url = "http://ftp.vim.org/vim/runtime/spell/fr.utf-8.sug";
     sha256 = "0294bc32b42c90bbb286a89e23ca3773b7ef50eff1ab523b1513d6a25c6b3f58";
   };
+  fromGitHub = rev: ref: repo:
+    pkgs.vimUtils.buildVimPlugin {
+      pname = "${pkgs.lib.strings.sanitizeDerivationName repo}";
+      version = ref;
+      src = builtins.fetchGit {
+        url = "https://github.com/${repo}.git";
+        ref = ref;
+        rev = rev;
+      };
+    };
 in
 {
   options.modules.cli.neovim = {
@@ -44,6 +54,7 @@ in
         # Formatters
         nixfmt-rfc-style
         shfmt
+        yamlfmt
       ];
       extraLuaConfig = (builtins.readFile ./files/options.lua);
       plugins = with pkgs.vimPlugins; [
@@ -69,6 +80,11 @@ in
         cmp-path
         cmp-cmdline
         cmp_luasnip
+        {
+          plugin = conform-nvim;
+          type = "lua";
+          config = (builtins.readFile ./files/conform.lua);
+        }
         {
           plugin = fzf-lua;
           type = "lua";
@@ -181,6 +197,15 @@ in
           type = "lua";
           config = ( builtins.readFile ./files/whichkey.lua );
         }
+#       yaml companion 
+        {
+          plugin = ( fromGitHub
+            "131b0d67bd2e0f1a02e0daf2f3460482221ce3c0"
+            "main"
+            "someone-stole-my-name/yaml-companion.nvim"
+          );
+          type = "lua";
+        }
         vim-helm
       ];
     };

modules/home-manager/cli/neovim/files/conform.lua

@@ -0,0 +1,11 @@
+require("conform").setup({
+  format_on_save = {
+    -- These options will be passed to conform.format()
+    timeout_ms = 500,
+    lsp_format = "never",
+  },
+  formatters_by_ft = {
+    yaml = {"yamlfmt"},
+    ["_"] = { "trim_whitespace" },
+  }
+})

modules/home-manager/cli/neovim/files/fzf-lua.lua

@@ -13,6 +13,14 @@ require('fzf-lua').setup({
     }
 })
 
+-- Register fzf-lua as vim.ui.select handler
+require('fzf-lua').register_ui_select({
+  prompt = 'Make a selection:',
+  format_item = function(item)
+    return "-> " .. tostring(item)
+  end,
+})
+
 vim.keymap.set('n', '<leader>fb', function() require('fzf-lua').buffers() end, {desc='open [b]uffers'})
 vim.keymap.set('n', '<leader>ff', function() require('fzf-lua').files() end, {desc='[r]esume last command'})
 vim.keymap.set('n', '<leader>fr', function() require('fzf-lua').files() end, {desc='[f]iles'})

modules/home-manager/cli/neovim/files/lspconfig.lua

@@ -1,5 +1,6 @@
 local lspconfig = require('lspconfig')
 local capabilities = require("cmp_nvim_lsp").default_capabilities()
+require("yaml-companion").open_ui_select()
 
 lspconfig.bashls.setup {
     capabilities = capabilities,
@@ -13,20 +14,66 @@ lspconfig.eslint.setup{
     capabilities = capabilities,
 }
 
-lspconfig.helm_ls.setup{
+-- YAML variables and Helm LS (quite big!)
+local schemas = {}
+
+local kubernetes = "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/refs/heads/master/v1.29.6-standalone-strict/all.json"
+local flux2 = "https://raw.githubusercontent.com/fluxcd-community/flux2-schemas/refs/heads/main/all.json"
+local gitlab = "https://gitlab.com/gitlab-org/gitlab/-/raw/master/app/assets/javascripts/editor/schema/ci.json"
+local taskfile = "https://taskfile.dev/schema.json"
+local podmonitor = "https://raw.githubusercontent.com/datreeio/CRDs-catalog/refs/heads/main/monitoring.coreos.com/podmonitor_v1.json"
+local servicemonitor = "https://raw.githubusercontent.com/datreeio/CRDs-catalog/refs/heads/main/monitoring.coreos.com/servicemonitor_v1.json"
+local prometheus = "https://raw.githubusercontent.com/datreeio/CRDs-catalog/refs/heads/main/monitoring.coreos.com/prometheus_v1.json"
+local ingress = "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/refs/heads/master/v1.30.1/ingress-networking-v1.json"
+local lefthook = "https://json.schemastore.org/lefthook.json"
+local github = "https://json.schemastore.org/github-workflow.json"
+
+schemas[kubernetes] = {
+  "templates/*deployment.yaml",
+  "templates/*service.yaml",
+  "templates/*secret.yaml",
+  "templates/*configmap.yaml",
+  "templates/*daemonset.yaml",
+  "templates/*replicaset.yaml",
+  "templates/*persistentvolume.yaml",
+  "templates/*persistentvolumeclaim.yaml",
+  "templates/*serviceaccount.yaml",
+  "templates/*role.yaml",
+  "templates/*rolebinding.yaml",
+  "templates/*clusterrole.yaml",
+  "templates/*clusterrolebinding.yaml",
+  "templates/*job*.yaml",
+}
+schemas[podmonitor] = "templates/*podmonitor*"
+schemas[servicemonitor] = "templates/*servicemonitor*"
+schemas[ingress] = "templates/*ingress*"
+
+lspconfig.helm_ls.setup {
   capabilities = capabilities,
   settings = {
     ['helm-ls'] = {
-            logLevel = "info",
-            valuesFiles = {
-                mainValuesFile = "values.yaml",
-                lintOverlayValuesFile = "values.lint.yaml",
-                additionalValuesFilesGlobPattern = "values*.yaml"
+      yamlls = {
+        enabled = true,
+        enabledForFilesGlob = "*.{yaml,yml}",
+        diagnosticsLimit = 50,
+        showDiagnosticsDirectly = false,
+        path = "yaml-language-server",
+        config = {
+          schemas = schemas,
+          completion = true,
+          hover = true,
+        }
+      }
     }
-        },
   }
 }
 
+-- restart LSP server avoir problems with Helm-ls
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "helm",
+  command = "LspRestart",
+})
+
 lspconfig.lua_ls.setup {
     capabilities = capabilities,
     single_file_support = true,
@@ -64,22 +111,67 @@ lspconfig.tflint.setup{
     capabilities = capabilities,
 }
 
-lspconfig.yamlls.setup{
+-- YAML configuration (quite big!)
+
+local cfg = require("yaml-companion").setup({
+  schemas = {
+    { name = "Flux2",           uri = flux2 },
+    { name = "Gitlab",          uri = gitlab },
+    { name = "Taskfile",        uri = taskfile },
+    { name = "PodMonitor",      uri = podmonitor },
+    { name = "ServiceMonitor",  uri = servicemonitor },
+    { name = "Prometheus",      uri = prometheus },
+    { name = "Kubernetes",      uri = kubernetes },
+    { name = "Lefthook",        uri = lefthook },
+  },
+  lspconfig = {
     capabilities = capabilities,
     settings = {
       yaml = {
         schemas = {
-				["https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/v1.30.0/all.json"] = {"k8s/**/*.yaml", "cluster/**/*.yaml",},
-				["https://taskfile.dev/schema.json"] = {"**/Taskfile.*", "**/taskfile.*",},
-                ["https://json.schemastore.org/lefthook.json"] = {"**/lefthook.*",},
+          [flux2] = {
+            "*.{alert,provider,receiver,helmrelease,helmrepository,gitrepository}.yaml",
+            "gotk-sync.yaml",
+            "gotk-*.yaml",
+          },
+          [gitlab] = {
+            "ci/*.{yaml,yml}",
+            ".gitlab/**/*.{yaml,yml}",
+            ".gitlab-ci.{yaml,yml}",
+          },
+          [taskfile] = {
+            "**/Taskfile*.{yaml,yml}",
+            "taskfiles/**/*.{yaml,yml}",
+          },
+          [podmonitor] = {
+            "*podmonitor*.{yaml,yml}"
+          },
+          [servicemonitor] = {
+            "*servicemonitor*.{yaml,yml}"
+          },
+          [prometheus] = {
+            "*prometheus*.{yaml,yml}"
+          },
+          [ingress] = {
+            "*ingress*.{yaml,yml}"
+          },
+          [lefthook] = {
+            "**/lefthook.*"
+          },
+          [github] = {
+            ".github/workflow/**/*.{yaml,yml}"
+          }
         },
       },
     },
-}
+  },
+})
+
+lspconfig.yamlls.setup{cfg}
 
 vim.api.nvim_create_autocmd('LspAttach', {
   desc = 'LSP actions',
-  callback = function()
+  callback = function(ev)
     local bufmap = function(mode, lhs, rhs)
       local opts = {buffer = true}
       vim.keymap.set(mode, lhs, rhs, opts)
@@ -121,5 +213,9 @@ vim.api.nvim_create_autocmd('LspAttach', {
 
     -- Move to the next diagnostic
     bufmap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
+    local client = vim.lsp.get_client_by_id(ev.data.client_id)
+    if client.name == "yamlls" then
+      bufmap ('n', '<F3>', '<cmd>lua require("yaml-companion").open_ui_select()<cr>')
+    end
   end
 })