1 files changed, 83 insertions, 0 deletions
diff --git a/lua/lspconfig.lua b/lua/lspconfig.lua
new file mode 100644
index 00000000..cc9b38bc
--- /dev/null
+++ b/lua/lspconfig.lua
@@ -0,0 +1,83 @@
+local configs = require 'lspconfig/configs'
+
+local M = {
+  util = require 'lspconfig/util';
+}
+
+function M.available_servers()
+  return vim.tbl_keys(configs)
+end
+
+function M.installable_servers()
+  local res = {}
+  for k, v in pairs(configs) do
+    if v.install then table.insert(res, k) end
+  end
+  return res
+end
+
+M._root = {}
+-- Called from plugin/lspconfig.vim because it requires knowing that the last
+-- script in scriptnames to be executed is lspconfig.
+function M._root._setup()
+  M._root.commands = {
+    LspInstall = {
+      function(name)
+        if configs[name] == nil then
+          pcall(require('lspconfig/'..name))
+        end
+        local config = configs[name]
+        if not config then
+          return print("Invalid server name:", name)
+        end
+        if not config.install then
+          return print(name, "can't be automatically installed (yet)")
+        end
+        if config.install_info().is_installed then
+          return print(name, "is already installed")
+        end
+        config.install()
+      end;
+      "-nargs=1";
+      "-complete=custom,v:lua.lsp_complete_installable_servers";
+      description = '`:LspInstall {name}` installs a server under stdpath("cache")/lspconfig/{name}';
+    };
+    LspInstallInfo = {
+      function(name)
+        if name == nil then
+          local res = {}
+          for k, v in pairs(configs) do
+            if v.install_info then
+              res[k] = v.install_info()
+            end
+          end
+          return print(vim.inspect(res))
+        end
+        if configs[name] == nil then
+          pcall(require('lspconfig/'..name))
+        end
+        local config = configs[name]
+        if not config then
+          return print("Invalid server name:", name)
+        end
+        return print(vim.inspect(config.install_info()))
+      end;
+      "-nargs=?";
+      "-complete=custom,v:lua.lsp_complete_servers";
+      description = 'Print installation info for {name} if one is specified, or all installable servers.';
+    };
+  };
+
+  M.util.create_module_commands("_root", M._root.commands)
+end
+
+local mt = {}
+function mt:__index(k)
+  if configs[k] == nil then
+    require('lspconfig/'..k)
+  end
+  return configs[k]
+end
+
+return setmetatable(M, mt)
+-- vim:et ts=2 sw=2