Fix error testing remote with echo

"echo 'Hello'" is a nasty nested string that causes undefined behavior
with vim.fn.shellescape. Much better to use "pwd"!

Oh, and I added an extra line of debug information to get the raw ssh
command executed.

Author: TakodaS

lua/remote-nvim/providers/executor.lua

@@ -16,13 +16,15 @@ local Executor = require("remote-nvim.middleclass")("Executor")
 ---@field exit_cb function? On exit callback
 ---@field compression remote-nvim.provider.Executor.JobOpts.CompressionOpts? Compression options; for upload and download
 
+local utils = require("remote-nvim.utils")
 ---Initialize executor instance
 ---@param host string Host name
 ---@param conn_opts? string Connection options (passed when connecting)
 function Executor:init(host, conn_opts)
   self.host = host
   self.conn_opts = conn_opts or ""
 
+  self.logger = utils.get_logger()
   self._job_id = nil
   self._job_exit_code = nil
   self._job_stdout = {}
@@ -71,6 +73,7 @@ end
 ---@param command string Command which should be started as a job
 ---@param job_opts remote-nvim.provider.Executor.JobOpts
 function Executor:run_executor_job(command, job_opts)
+  self.logger.fmt_debug("Executor running command  %s with options %s", command, job_opts)
   local co = coroutine.running()
   job_opts = job_opts or {}
 

lua/remote-nvim/providers/provider.lua

@@ -139,7 +139,7 @@ end
 function Provider:_setup_workspace_variables()
   if vim.tbl_isempty(self._config_provider:get_workspace_config(self.unique_host_id)) then
     self.logger.debug("Did not find any existing configuration. Creating one now..")
-    self:run_command("echo 'Hello'", "Testing remote connection")
+    self:run_command("pwd", "Testing remote connection")
     self._config_provider:add_workspace_config(self.unique_host_id, {
       provider = self.provider_type,
       host = self.host,