fix: clean up download directory after compiling the lsp

Closes #58

Author: mhanberg

lua/elixir/language_server/compile.lua

@@ -1,7 +1,5 @@
-local Version = require("elixir.language_server.version")
 local Path = require("plenary.path")
 local Job = require("plenary.job")
-local Utils = require("elixir.utils")
 
 local __file = Path:new(debug.getinfo(1, "S").source:match("@(.*)$"))
 assert(__file:exists())
@@ -17,7 +15,6 @@ end
 
 function M.compile(source_path, install_path, opts)
   local do_sync = opts.sync or false
-  local v = Version.get()
 
   local printer = function(err, line)
     if opts.bufnr then
@@ -43,21 +40,7 @@ function M.compile(source_path, install_path, opts)
     end,
     on_stdout = do_sync and printer or vim.schedule_wrap(printer),
     on_stderr = do_sync and printer or vim.schedule_wrap(printer),
-    on_exit = vim.schedule_wrap(function(_, code)
-      if code == 0 then
-        if opts.bufnr then
-          vim.api.nvim_buf_call(opts.bufnr, function()
-            vim.api.nvim_command("quit")
-          end)
-        end
-
-        vim.notify("Finished compiling ElixirLS!")
-        vim.notify("Reloading buffer")
-        vim.api.nvim_command("edit")
-        vim.notify("Restarting LSP client")
-        vim.api.nvim_command("LspRestart")
-      end
-    end),
+    on_exit = vim.schedule_wrap(opts.on_exit),
   }
 
   -- sync is just for testing

lua/elixir/language_server/download.lua

@@ -1,4 +1,3 @@
-local curl = require("plenary.curl")
 local Path = require("plenary.path")
 local Job = require("plenary.job")
 

lua/elixir/language_server/init.lua

@@ -36,7 +36,7 @@ function M.open_floating_window(buf)
     col = 0,
     minwidth = width,
     minheight = height,
-    border = {},
+    border = false,
     padding = { 2, 2, 2, 2 },
     zindex = 10,
   })
@@ -218,7 +218,33 @@ local function install_elixir_ls(opts)
   Compile.compile(
     download_dir:joinpath(source_path):absolute(),
     opts.install_path:absolute(),
-    vim.tbl_extend("force", opts, { bufnr = bufnr })
+    vim.tbl_extend("force", opts, {
+      bufnr = bufnr,
+      on_exit = function(_, compile_code)
+        if compile_code == 0 then
+          if bufnr then
+            vim.api.nvim_buf_call(bufnr, function()
+              vim.api.nvim_command("quit")
+            end)
+          end
+
+          vim.notify("Finished compiling ElixirLS!")
+          vim.notify("Reloading buffer")
+          vim.api.nvim_command("edit")
+          vim.notify("Restarting LSP client")
+          vim.api.nvim_command("LspRestart")
+          vim.fn.jobstart({ "rm", "-rf", download_dir:absolute() }, {
+            on_exit = vim.schedule_wrap(function(_, rm_code)
+              if rm_code == 0 then
+                vim.notify("Cleaned up elixir.nvim download directory")
+              else
+                vim.api.nvim_err_writeln("Failed to clean up elixir.nivm download directory")
+              end
+            end),
+          })
+        end
+      end,
+    })
   )
 end