Improve backward compatibility in tramp-archive

* lisp/net/tramp-archive.el
(tramp-archive-handle-temporary-file-directory):
Use `tramp-compat-temporary-file-directory'.

* test/lisp/net/tramp-archive-tests.el
(tramp-archive-test37-make-nearby-temp-file):
Wrap `temporary-file-directory' call with `with-no-warnings'.

2 files changed, 4 insertions, 3 deletions

diff --git a/lisp/net/tramp-archive.el b/lisp/net/tramp-archive.el
index 6c96075a001..45e3bf0a606 100644
--- a/lisp/net/tramp-archive.el
+++ b/lisp/net/tramp-archive.el
@@ -531,12 +531,12 @@ offered."
    (tramp-archive-gvfs-file-name file) noerror nomessage nosuffix must-suffix))
 
 (defun tramp-archive-handle-temporary-file-directory ()
-  "Like `temporary-file-directory' for Tramp files."
+  "Like `temporary-file-directory' for file archives."
   ;; If the default directory, the file archive, is located on a
   ;; mounted directory, it is returned as it.  Not what we want.
   (with-parsed-tramp-archive-file-name default-directory nil
     (let ((default-directory (file-name-directory archive)))
-      (temporary-file-directory))))
+      (tramp-compat-temporary-file-directory))))
 
 (defun tramp-archive-handle-not-implemented (operation &rest args)
   "Generic handler for operations not implemented for file archives."
diff --git a/test/lisp/net/tramp-archive-tests.el b/test/lisp/net/tramp-archive-tests.el
index 85be2dc6230..149ed370432 100644
--- a/test/lisp/net/tramp-archive-tests.el
+++ b/test/lisp/net/tramp-archive-tests.el
@@ -699,7 +699,8 @@ This tests also `file-executable-p', `file-writable-p' and `set-file-modes'."
         tmp-file)
     ;; The file archive shall know a temporary file directory.  It is
     ;; not in the archive itself.
-    (should (stringp (with-no-warnings (temporary-file-directory))))
+    (should
+     (stringp (with-no-warnings (with-no-warnings (temporary-file-directory)))))
     (should-not
      (tramp-archive-file-name-p (with-no-warnings (temporary-file-directory))))