Add sumneko_lua installation and util.sh helper. (#49)

* Add sumneko_lua installation and util.sh helper.
* Add vspackage extraction for package.json information via vscode name.
* Allow specifying a tempdir at DOCGEN_TEMPDIR
* Fix on_new_config and add docs for root_dir
* User settings titles are not always useful

1 files changed, 61 insertions, 0 deletions

diff --git a/lua/nvim_lsp/util.lua b/lua/nvim_lsp/util.lua
index d015c932..0f96dd59 100644
--- a/lua/nvim_lsp/util.lua
+++ b/lua/nvim_lsp/util.lua
@@ -1,3 +1,4 @@
+local vim = vim
 local validate = vim.validate
 local api = vim.api
 local lsp = vim.lsp
@@ -361,6 +362,66 @@ function M.npm_installer(config)
   }
 end
 
+function M.sh(script, cwd)
+  api.nvim_command("10new")
+  assert(cwd and M.path.is_dir(cwd), "sh: Invalid directory")
+  local winnr = api.nvim_get_current_win()
+  local bufnr = api.nvim_get_current_buf()
+  local stdin = uv.new_pipe(false)
+  local stdout = uv.new_pipe(false)
+  local stderr = uv.new_pipe(false)
+  local handle, pid
+  handle, pid = uv.spawn("sh", {
+    stdio = {stdin, stdout, stderr};
+    cwd = cwd;
+  }, function()
+    stdin:close()
+    stdout:close()
+    stderr:close()
+    handle:close()
+    vim.schedule(function()
+      api.nvim_command("silent bwipeout! "..bufnr)
+    end)
+  end)
+
+  -- If the buffer closes, then kill our process.
+  api.nvim_buf_attach(bufnr, false, {
+    on_detach = function()
+      if not handle:is_closing() then
+        handle:kill(15)
+      end
+    end;
+  })
+
+  local output_buf = ''
+  local function update_chunk(err, chunk)
+    if chunk then
+      output_buf = output_buf..chunk
+      local lines = vim.split(output_buf, '\n', true)
+      api.nvim_buf_set_option(bufnr, "modifiable", true)
+      api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
+      api.nvim_buf_set_option(bufnr, "modifiable", false)
+      api.nvim_buf_set_option(bufnr, "modified", false)
+      if api.nvim_win_is_valid(winnr) then
+        api.nvim_win_set_cursor(winnr, {#lines, 0})
+      end
+    end
+  end
+  update_chunk = vim.schedule_wrap(update_chunk)
+  stdout:read_start(update_chunk)
+  stderr:read_start(update_chunk)
+  stdin:write(script)
+  stdin:write("\n")
+  stdin:shutdown()
+end
+
+function M.format_vspackage_url(extension_name)
+  local org, package = unpack(vim.split(extension_name, ".", true))
+  assert(org and package)
+  return string.format("https://marketplace.visualstudio.com/_apis/public/gallery/publishers/%s/vsextensions/%s/latest/vspackage", org, package)
+end
+
+
 function M.utf8_config(config)
   config.capabilities = config.capabilities or lsp.protocol.make_client_capabilities()
   config.capabilities.offsetEncoding = {"utf-8", "utf-16"}