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Subject: bug#74094: chgrp/chmod/chown fails to recognize "root" and respect --preserve-root under Cygwin
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Hi folks,

I now appear to have the issue that the Cygwin emulated "root" is not being 
detected and handled properly, so during tests, chgrp/chown/chmod 
--preserve-root is being ignored, also presumably rm!, tests are taking forever, 
and all my account and CI system mount points are being trashed by the tests, 
and build/gt-preserve-root.sh.XKPb/out is over 1GB!

I need to understand whether any access to "root" is just warned and skipped, or 
the command is terminated with prejudice, as I would expect.

The info docs section "Treating ‘/’ specially" appears to be ambiguous about the 
ch??? commands, except that they default to --no-preserve-root whereas the man 
pages say "fail to operate recursively on ’/’", as I would expect.

I know that I will have to handle the "root" issue, but advice on how the 
commands are conceptually expected to deal with "root" and --preserve-root would 
be useful, and any gotchas on other systems, before I dig into then hack at the 
operations.

Cygwin would probably want to default these ch??? commands to --preserve-root 
like rm, and also require -f, --force --no-preserve-root to override, but ch??? 
redefine -f to --silent, --quiet, so would have to mandate the long --force 
option with --preserve-root, and also change the docs!

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry




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To: Brian.Inglis@HIDDEN
Subject: bug#74094: Acknowledgement (chgrp/chmod/chown fails to recognize
 "root" and respect --preserve-root under Cygwin)
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On 2024-10-29 11:57, Brian Inglis wrote:
> advice on how the commands are conceptually expected to deal with "root" 
> and --preserve-root would be useful

Presumably the way that "/" is treated on a GNU platform should be the 
way that a root filesystem is treated on Cygwin, even if that root 
filesystem isn't named "/".





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