bug#12148: 24.1.50; Tramp has problems with Solaris server (test -e)

[Carsten Bormann <cabo@tzi.org>]

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On Aug 7, 2012, at 10:51, Michael Albinus <michael.albinus@gmx.de> wrote:

> Carsten Bormann <cabo@tzi.org> writes:
> 
>> This appears to get circumvented correctly once, but the .emacs.d/tramp
>> written out from the first emacs says:
>> 
>>  ("file-exists" "test -e")
>> 
>> which is clearly wrong.
>> So the next incarnation of emacs will no longer work correcly with that
>> Solaris server.
> 
> Hmm. In `tramp-find-file-exists-command', it is correctly tested for
> "test -e", "/bin/test -e" aso. But the cache seems to get the wrong value.
> 
> I would need to analyze the cache operations. Would you, please, apply
> "M-x tramp-cleanup-all-connections" (this also removes cache settings),
> set `tramp-verbose' to 9, and rerun the test? The resulting debug buffer
> shall tell us more.

Interesting.  With tramp-cleanup-all-connections I didn't need the two-step process to trigger the bug.
Again, the problem is that test -e suppresses the rest of the command line in /bin/sh on Solaris, so the first "test -e" fails right away, but is somehow recovered using another attempt that uses test -d. The attempt to find-file (open) .bash_history then completely fails on what seems to be the same kind of "test -e" (hmm, why didn't it do that in my previous tests before I wrote the tramp file).

resulting tramp file as well as debug buffer (slightly sanitized) attached.

Grüße, Carsten


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;; -*- emacs-lisp -*- <12/08/06 17:23:35 /Users/cabo/.emacs.d/tramp>
;; Tramp connection history.  Don't change this file.
;; You can delete it, forcing Tramp to reapply the checks.

((["scpc" nil "a" nil nil]
  ("uname" "SunOS 5.11")
  ("test" "test")
  ("remote-path"
   ("/usr/xpg4/bin" "/usr/ccs/bin" "/usr/bin" "/bin" "/usr/sbin" "/usr/local/bin"))
  ("busybox" nil)
  ("remote-shell" "/usr/bin/bash")
  ("~" "/users/home/cabo")
  ("file-exists" "test -e")
  ("perl-file-spec" t)
  ("perl-cwd-realpath" t)
  ("perl" "\\perl")
  ("ls" "/usr/xpg4/bin/ls")
  ("ls-dired" nil)
  ("stat" nil)
  ("id" "/usr/xpg4/bin/id")
  ("gid-integer" 1003)
  ("readlink" nil)))

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