Update README Plug example.

Close #228.

Author: autozimu

INSTALL.md

@@ -17,8 +17,8 @@ None.
 > - x86\_64-apple-darwin
 > And use it to replace the example architecture inside tags.
 
-> If you don't want to use pre-built binaries, use `make release` as post
-> action after plugin installation and update.
+> If you don't want to use pre-built binaries, specify branch `next` and `make release` as post
+> action after plugin installation and update. e.g., `Plug 'autozimu/LanguageClient', {'branch': 'next', 'do': 'make release'}`.
 
 Choose steps matching your plugin manager.
 

README.md

@@ -36,10 +36,7 @@ functional.)
 Using [`vim-plug`](https://github.com/junegunn/vim-plug):
 
 ```vim
-Plug 'autozimu/LanguageClient-neovim', {
-    \ 'branch': 'next',
-    \ 'do': './install.sh'
-    \ }
+Plug 'autozimu/LanguageClient-neovim', {'tag': 'binary-*-x86_64-apple-darwin'}
 
 " (Optional) Multi-entry selection UI.
 Plug 'junegunn/fzf'

src/languageclient.rs

@@ -498,12 +498,7 @@ impl ILanguageClient for Arc<Mutex<State>> {
             "WARNING" => MessageType::Warning,
             "INFO" => MessageType::Info,
             "LOG" => MessageType::Log,
-            _ => {
-                bail!(
-                    "Unknown windowLogMessageLevel: {}",
-                    windowLogMessageLevel
-                )
-            }
+            _ => bail!("Unknown windowLogMessageLevel: {}", windowLogMessageLevel),
         };
 
         self.update(|state| {