Add command parameter to `Process.replace´

Author: straight-shoota

src/crystal/system/unix/process.cr

@@ -351,9 +351,9 @@ struct Crystal::System::Process
     lock_write { LibC.execvp(command, argv) }
   end
 
-  def self.replace(command_args, env, clear_env, input, output, error, chdir)
+  def self.replace(command, command_args, env, clear_env, input, output, error, chdir)
     try_replace(command_args, env, clear_env, input, output, error, chdir)
-    raise_exception_from_errno(command_args[0])
+    raise_exception_from_errno(command)
   end
 
   private def self.raise_exception_from_errno(command, errno = Errno.value)

src/crystal/system/wasi/process.cr

@@ -96,7 +96,7 @@ struct Crystal::System::Process
     raise NotImplementedError.new("Process.prepare_args")
   end
 
-  def self.replace(command_args, env, clear_env, input, output, error, chdir)
+  def self.replace(command, command_args, env, clear_env, input, output, error, chdir)
     raise NotImplementedError.new("Process.replace")
   end
 

src/crystal/system/win32/process.cr

@@ -343,7 +343,7 @@ struct Crystal::System::Process
     end
   end
 
-  private def self.try_replace(command_args, env, clear_env, input, output, error, chdir)
+  private def self.try_replace(command, command_args, env, clear_env, input, output, error, chdir)
     old_input_fd = reopen_io(input, ORIGINAL_STDIN)
     old_output_fd = reopen_io(output, ORIGINAL_STDOUT)
     old_error_fd = reopen_io(error, ORIGINAL_STDERR)