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Subject: |
26.0.50; tramp-test19-directory-files-and-attributes fails on 32-bit Cygwin |
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Date: |
Thu, 23 Feb 2017 18:19:50 -0500 |
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User-agent: |
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 |
Starting with commit 3a6df2d,
tramp-test19-directory-files-and-attributes fails on 32-bit Cygwin. The
reason is that inode numbers tend to be very large, on the order of
10^17, at least on my systems. As a result, the "convert inode" code in
tramp-convert-file-attributes always falls back to tramp-get-inode.
Since this increments by 1 on every call, the file-attribute comparisons
in tramp-test19-directory-files-and-attributes always fail.
The significance of commit 3a6df2d is that it makes
tramp-get-remote-stat return a non-nil value, so that tramp uses 'stat'
for file attributes; this returns the true (large) inode number. Prior
to that commit, tramp-get-remote-stat would always return nil, so that
the tramp-perl-file-attributes script would be used for file
attributes. This script uses whatever inode number is returned by
Perl's version of 'stat', which is presumably some sort of 32-bit
truncation of the true inode number.
Although I'm seeing this on 32-bit Cygwin, it seems to me that it could
in principle happen on any 32-bit platform.
Ken
In GNU Emacs 26.0.50 (build 11, i686-pc-cygwin, GTK+ Version 3.18.9)
of 2017-02-23 built on desktop-new
Repository revision: 16efea3a883ebf633946ee9b9d0681eb55437878
Windowing system distributor 'The Cygwin/X Project', version 11.0.11901000
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--- Begin Message ---
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Subject: |
Re: bug#25854: 26.0.50; tramp-test19-directory-files-and-attributes fails on 32-bit Cygwin |
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Date: |
Sat, 25 Feb 2017 10:19:05 -0500 |
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User-agent: |
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 |
On 2/25/2017 9:05 AM, Michael Albinus wrote:
I've pushed a patch to master, which should fix this. Could you, pls, check?
That fixes it. Thanks.
I'm closing the bug.
Ken
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