From 3cefda090304bbbce43d242072918ca855326842 Mon Sep 17 00:00:00 2001
From: Michael Albinus <michael.albinus@gmx.de>
Date: Sun, 24 Jan 2021 19:26:02 +0100
Subject: Make Tramp's insert-directory more robust

* lisp/net/tramp-sh.el (tramp-sh-handle-insert-directory):
Use `tramp-sh--quoting-style-options'.

* test/lisp/net/tramp-tests.el (tramp--test-hpux-p, tramp--test-ksh-p):
Remove superfluous nil.
(tramp--test-sh-no-ls--dired-p): New defun.
(tramp--test-special-characters): Use it.
---
 test/lisp/net/tramp-tests.el | 46 ++++++++++++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 17 deletions(-)

(limited to 'test')

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 4c84507807b..7757c55c16b 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -5720,16 +5720,16 @@ This requires restrictions of file name syntax."
    (tramp-find-foreign-file-name-handler tramp-test-temporary-file-directory)
    'tramp-ftp-file-name-handler))
 
+(defun tramp--test-crypt-p ()
+  "Check, whether the remote directory is crypted"
+  (tramp-crypt-file-name-p tramp-test-temporary-file-directory))
+
 (defun tramp--test-docker-p ()
   "Check, whether the docker method is used.
 This does not support some special file names."
   (string-equal
    "docker" (file-remote-p tramp-test-temporary-file-directory 'method)))
 
-(defun tramp--test-crypt-p ()
-  "Check, whether the remote directory is crypted"
-  (tramp-crypt-file-name-p tramp-test-temporary-file-directory))
-
 (defun tramp--test-ftp-p ()
   "Check, whether an FTP-like method is used.
 This does not support globbing characters in file names (yet)."
@@ -5748,7 +5748,7 @@ If optional METHOD is given, it is checked first."
   "Check, whether the remote host runs HP-UX.
 Several special characters do not work properly there."
   ;; We must refill the cache.  `file-truename' does it.
-  (file-truename tramp-test-temporary-file-directory) nil
+  (file-truename tramp-test-temporary-file-directory)
   (string-match-p
    "^HP-UX" (tramp-get-connection-property tramp-test-vec "uname" "")))
 
@@ -5757,7 +5757,7 @@ Several special characters do not work properly there."
 ksh93 makes some strange conversions of non-latin characters into
 a $'' syntax."
   ;; We must refill the cache.  `file-truename' does it.
-  (file-truename tramp-test-temporary-file-directory) nil
+  (file-truename tramp-test-temporary-file-directory)
   (string-match-p
    "ksh$" (tramp-get-connection-property tramp-test-vec "remote-shell" "")))
 
@@ -5787,6 +5787,15 @@ This does not support special file names."
   "Check, whether the remote host runs a based method from tramp-sh.el."
   (tramp-sh-file-name-handler-p tramp-test-vec))
 
+(defun tramp--test-sh-no-ls--dired-p ()
+  "Check, whether the remote host runs a based method from tramp-sh.el.
+Additionally, ls does not support \"--dired\"."
+  (and (tramp--test-sh-p)
+       (with-temp-buffer
+	 ;; We must refill the cache.  `insert-directory' does it.
+	 (insert-directory tramp-test-temporary-file-directory "-al")
+	 (not (tramp-get-connection-property tramp-test-vec "ls--dired" nil)))))
+
 (defun tramp--test-share-p ()
   "Check, whether the method needs a share."
   (and (tramp--test-gvfs-p)
@@ -6023,17 +6032,20 @@ This requires restrictions of file name syntax."
   ;; expanded to <TAB>.
   (let ((files
 	 (list
-	  (if (or (tramp--test-ange-ftp-p)
-		  (tramp--test-gvfs-p)
-		  (tramp--test-rclone-p)
-		  (tramp--test-sudoedit-p)
-		  (tramp--test-windows-nt-or-smb-p))
-	      "foo bar baz"
-	    (if (or (tramp--test-adb-p)
-		    (tramp--test-docker-p)
-		    (eq system-type 'cygwin))
-		" foo bar baz "
-	      " foo\tbar baz\t"))
+	  (cond ((or (tramp--test-ange-ftp-p)
+		     (tramp--test-gvfs-p)
+		     (tramp--test-rclone-p)
+		     (tramp--test-sudoedit-p)
+		     (tramp--test-windows-nt-or-smb-p))
+		 "foo bar baz")
+		((or (tramp--test-adb-p)
+		     (tramp--test-docker-p)
+		     (eq system-type 'cygwin))
+		 " foo bar baz ")
+		((tramp--test-sh-no-ls--dired-p)
+		 "\tfoo bar baz\t")
+		(t " foo\tbar baz\t"))
+	  "@foo@bar@baz@"
 	  "$foo$bar$$baz$"
 	  "-foo-bar-baz-"
 	  "%foo%bar%baz%"
-- 
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