:LanguageClientInstallBinaries to download client from vim

Author: abitrolly

autoload/LanguageClient.vim

@@ -785,11 +785,21 @@ function! LanguageClient#binaryPath() abort
     return l:path . l:filename
 endfunction
 
+function! LanguageClient#installBinaries()
+    let l:installsh = 'cd ' . s:root . ' && ./install.sh'
+    let l:output = split(system(l:installsh), '\n')
+    for l:line in l:output
+        echomsg l:line
+    endfor
+    echomsg "Success."
+endfunction
+
 function! s:Launch() abort
     let l:binpath = LanguageClient#binaryPath()
 
     if executable(l:binpath) != 1
-        call s:Echoerr('LanguageClient: binary (' . l:binpath . ') doesn''t exists! Please check installation guide.')
+        call s:Echoerr('LanguageClient: binary (' . l:binpath . ') doesn''t exists!')
+        call s:Echoerr('Run :LanguageClientInstallBinaries or check installation guide.')
         return 0
     endif
 

install.sh

@@ -13,7 +13,7 @@ arch=$(uname -sm)
 
 try_curl() {
     command -v curl > /dev/null && \
-        curl --fail --location "$1" --output bin/$name
+        curl --fail --silent --show-error --location "$1" --output bin/$name
 }
 
 try_wget() {

plugin/LanguageClient.vim

@@ -156,6 +156,7 @@ endfunction
 
 command! -nargs=* LanguageClientStart :call LanguageClient#startServer(<f-args>)
 command! LanguageClientStop call LanguageClient#shutdown()
+command! LanguageClientInstallBinaries :call LanguageClient#installBinaries()
 
 function! s:OnBufEnter()
   if !LanguageClient#HasCommand(&filetype)