Why try to update (some) permissions which are the same?

[Kevin Korb]

You have --itemize-changes but either it didn't or you filtered it out.

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On Sun, 3 Sep 2023, Perry Hutchison via rsync wrote:

> Date: Sun, 03 Sep 2023 00:35:29 -0700
> From: Perry Hutchison via rsync <rsync at lists.samba.org>
> To: rsync at lists.samba.org
> Subject: Why try to update (some) permissions which are the same?
> 
> On the source system:
>
> $ rsync --version
> rsync  version 2.6.8  protocol version 29
> Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.
> <http://rsync.samba.org/>
> Capabilities: 64-bit files, socketpairs, hard links, ACLs, symlinks, batchfiles,
>              inplace, IPv6, file flags, 32-bit system inums, 64-bit internal inums
> ...
>
> $ ll -d fcst-200[89] fcst-201[01]
> dr-xr-xr-x  2 perryh  perryh  7168 Nov 27  2009 fcst-2008
> dr-xr-xr-x  2 perryh  perryh  9216 Jul 21  2010 fcst-2009
> drwxr-xr-x  2 perryh  perryh  9216 Jul  7  2011 fcst-2010
> drwxr-xr-x  2 perryh  perryh  4608 Jul  7  2011 fcst-2011
>
> $ rsync -uHSxz4rlptOgv --itemize-changes -e rsh fcst-200[89] fcst-201[01] fbsd81:/home/perryh
> building file list ... done
> rsync: failed to modify permissions on "/home/perryh/fcst-2008": Operation not permitted (1)
> rsync: failed to modify permissions on "/home/perryh/fcst-2009": Operation not permitted (1)
>
> sent 15794 bytes  received 20 bytes  31628.00 bytes/sec
> total size is 278224  speedup is 17.59
> rsync error: some files could not be transferred (code 23) at main.c(892) [sender=2.6.8]
>
>
> On the destination system:
>
> $ ll -d fcst-200[89] fcst-201[01]
> dr-xr-xr-x  2 perryh  perryh  uchg,uunlnk 7168 Nov 27  2009 fcst-2008
> dr-xr-xr-x  2 perryh  perryh  uchg,uunlnk 9216 Jul 21  2010 fcst-2009
> drwxr-xr-x  2 perryh  perryh  uchg,uunlnk 9216 Jul  7  2011 fcst-2010
> drwxr-xr-x  2 perryh  perryh  uchg,uunlnk 4608 Jul  7  2011 fcst-2011
>
> $ rsync --version
> rsync  version 3.0.7  protocol version 30
> Copyright (C) 1996-2009 by Andrew Tridgell, Wayne Davison, and others.
> Web site: http://rsync.samba.org/
> Capabilities:
>    64-bit files, 32-bit inums, 32-bit timestamps, 64-bit long ints,
>    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
>    append, ACLs, xattrs, no iconv, symtimes
> ...
>
>
> The question is:  why does rsync attempt (and fail) to change the
> permissions of two destination directories, and not the other two,
> when the permissions of all four destination directories already
> match the corresponding source directories?  (The change attempt
> fails because of the destinations' uchg,uunlnk flags, but as far
> as I can see the change should never have been attempted in the
> first place.)
>
>