bug#21573: 24.5; file-accessible-directory-p behaves incorrectly with executable file on Mac OS X

[Praveen Kumar <kprav33n@gmail.com>]

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Create an executable file (script) as follows:


$ cat > /tmp/hello.py

#!/usr/bin/env python

print 'Hello, world!'


$ chmod a+x /tmp/hello.py


Now open the file /tmp/hello.py in Emacs in graphical mode on Mac OS

X. Whil in the hello.py buffer, evaluate the following expression (M-:)


(file-accessible-directory-p buffer-file-name)


This should return nil, because the given file is not a

directory. However, this returns t.


While performing the same in terminal mode, file-accessibel-directory-p

returns nil for the same buffer.


This is inconsistent behavior. This is affecting some extensions those

use this function.




In GNU Emacs 24.5.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21)

of 2015-04-10 on builder10-9.porkrind.org

Windowing system distributor `Apple', version 10.3.1348

Configured using:

`configure --with-ns '--enable-locallisppath=/Library/Application

Support/Emacs/${version}/site-lisp:/Library/Application

Support/Emacs/site-lisp''


Important settings:

  value of $LANG: en_US.UTF-8

  locale-coding-system: utf-8-unix


Major mode: Python


Minor modes in effect:

  tooltip-mode: t

  electric-indent-mode: t

  mouse-wheel-mode: t

  tool-bar-mode: t

  menu-bar-mode: t

  file-name-shadow-mode: t

  global-font-lock-mode: t

  font-lock-mode: t

  blink-cursor-mode: t

  auto-composition-mode: t

  auto-encryption-mode: t

  auto-compression-mode: t

  line-number-mode: t

  transient-mark-mode: t


Recent messages:

For information about GNU Emacs and the GNU system, type C-h C-a.

user-error: Beginning of history; no preceding item [2 times]

t

nil

Can't guess python-indent-offset, using defaults: 4

t

Quit

Can't guess python-indent-offset, using defaults: 4

t


Load-path shadows:

None found.


Features:

(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml

mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev

gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util

help-fns mail-prsvr mail-utils vc-git python easymenu json comint ring

cl-loaddefs cl-lib ansi-color time-date tooltip electric uniquify

ediff-hook vc-hooks lisp-float-type mwheel ns-win tool-bar dnd fontset

image regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode

register page menu-bar rfn-eshadow timer select scroll-bar mouse

jit-lock font-lock syntax facemenu font-core frame cham georgian

utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean

japanese hebrew greek romanian slovak czech european ethiopic indian

cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev

minibuffer nadvice loaddefs button faces cus-face macroexp files

text-properties overlay sha1 md5 base64 format env code-pages mule

custom widget hashtable-print-readable backquote make-network-process

cocoa ns multi-tty emacs)


Memory information:

((conses 16 80948 5235)

(symbols 48 18314 0)

(miscs 40 48 207)

(strings 32 13377 3859)

(string-bytes 1 387833)

(vectors 16 10470)

(vector-slots 8 385377 7455)

(floats 8 54 283)

(intervals 56 358 4)

(buffers 960 15))

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