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Subject: bug#33155: rfe? cp from symlink -> to symlink? cp symlink meta-info(target) with "-a"? (vs. no diagnostic)
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Created following test dir (as seen by tree) in /tmp
> tree mybin
Ishtar:/tmp> tree mybin
mybin
=E2=94=9C=E2=94=80=E2=94=80 iptool -> alt-tool #broken link
=E2=94=9C=E2=94=80=E2=94=80 iptool-restore -> iptool #broken link
=E2=94=9C=E2=94=80=E2=94=80 iptool-save -> iptool #broken link
=E2=94=94=E2=94=80=E2=94=80 usr
=E2=94=94=E2=94=80=E2=94=80 mybin
=E2=94=9C=E2=94=80=E2=94=80 alt-tool
=E2=94=9C=E2=94=80=E2=94=80 iptool -> alt-tool
=E2=94=9C=E2=94=80=E2=94=80 iptool-restore -> iptool
=E2=94=9C=E2=94=80=E2=94=80 iptool-save -> iptool
=E2=94=9C=E2=94=80=E2=94=80 junka
=E2=94=9C=E2=94=80=E2=94=80 junkb
=E2=94=94=E2=94=80=E2=94=80 junkc
3 directories, 9 files
----
So first I try copying iptool-save from mybin/usr/mybin to /tmp/mybin
Ishtar:/tmp/mybin/usr/mybin> cp --preserve=3Dall iptool-save /tmp/mybin/
cp: not writing through dangling symlink '/tmp/mybin/iptool-save'
then try:
Ishtar:/tmp/mybin/usr/mybin> /bin/cp -r --preserve=3Dall -iptool-save=20
/tmp/mybin/
(and get no error message)
It seems to have _re_copied the link (time is updated on that link)
but it didn't recursively follow the link and copy the destination.
(nor with -a). Why did it act as though I said "force" and recopy the
link (unexpected), but didn't recursively follow the link to its target?
(not entirely expected, but wanted).
Especially if I use '-a', shouldn't copying a symlink also copy the
material pointed to -- i.e. duplicated the symlink structure at the targe=
t?
One *could* consider the target file "metadata" of the symlink, so at lea=
st,
"-a" could cover that case.
It seems odd to silence the diagnostic with "-r" and "-a", but not
recursively follow the link...(I know traditionally -r has referred to
directory structure, but in this case it would be more important & useful
to copy the symlink structure -- ESPECIALLY, since the target symlink
does not exist. Maybe only overwrite symlink target with "-af"?
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: L A Walsh <coreutils@HIDDEN> Subject: bug#33155: Acknowledgement (rfe? cp from symlink -> to symlink? cp symlink meta-info(target) with "-a"? (vs. no diagnostic)) Message-ID: <handler.33155.B.154049753023628.ack <at> debbugs.gnu.org> References: <5BD2205C.5040706@HIDDEN> X-Gnu-PR-Message: ack 33155 X-Gnu-PR-Package: coreutils Reply-To: 33155 <at> debbugs.gnu.org Date: Thu, 25 Oct 2018 19:59:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-coreutils@HIDDEN If you wish to submit further information on this problem, please send it to 33155 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 33155: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D33155 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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