add function to update installed language server

Author: gdkrmr

lsp-julia.el

@@ -288,6 +288,17 @@ body."
              (lsp-julia--symbol-server-store-path-to-jl) ");"
              " run(server);")))
 
+(defun lsp-julia-update-languageserver ()
+  "The command to update the Julia Language Server."
+  (interactive)
+  (apply 'start-process
+         "lsp-julia-languageserver-updater"
+         "*lsp-julia-languageserver-updater*"
+         lsp-julia-command
+         (append lsp-julia-flags
+                 '("-e import Pkg; println(Pkg.project().path); Pkg.update()"))
+         ))
+
 (defconst lsp-julia--handlers
   '(("window/setStatusBusy" .
      (lambda (w _p)))