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[Graham Inggs <2087769@xxxxxxxxxxxxxxxxxx>]

** Changed in: coreutils (Ubuntu)
       Status: Confirmed => Triaged

** Tags added: dcr-incoming

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https://bugs.launchpad.net/bugs/2087769

Title:
  cp: preserving permissions for ' ': Operation not supported in Noble
  NFS

Status in coreutils package in Ubuntu:
  Triaged

Bug description:
  When a "cp -puR A B" or a "cp -a A B" command is executed in a NFS
  environment the message "cp: preserving permissions for '_file_':
  Operation not supported" is displayed with a return code 1 on the
  target system. 'A' is a exported directory from an Ubuntu 24.04 Noble,
  'B' is an Ubuntu target directory. The /etc/exports in Noble source
  system come from an Ubuntu 22.04 Jammy and is unchanged. These cp
  commands worked fine if the source directory was in an older Ubuntu
  (before Noble) shared directory.

  The results of these "error" cp commands are OK but the return code 1
  is a problem in a sh script.

  EXAMPLE OF /etc/exports FILE FROM A SOURCE SYSTEM:
  /home			*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/sys-DATA		*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/MINOS-DATA	*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/PONTOS-home	*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/PONTOS-DATA	*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/THEA-DATA	*.cyclope*(rw,sync,no_subtree_check,no_root_squash)
  /media/SYSRAM		*.cyclope*(rw,sync,no_subtree_check,no_root_squash,fsid=49c1fb21-cc31-4620-8dd8-2422c3d4f59c)

  EXAMPLE OF cp COMMANDS EXECUTION:
  cyclope@MIMAS:~$ cp -puR /media/MINOS§MINOS-DATA/cmn/bin /home/cyclope/zut
  cp: conservation des droits pour «/home/cyclope/zut/bin/ugrubcg»: Opération non supportée
  cp: conservation des droits pour «/home/cyclope/zut/bin/s-hdd»: Opération non supportée
  cp: conservation des droits pour «/home/cyclope/zut/bin/mdcmpf»: Opération non supportée
  cp: conservation des droits pour «/home/cyclope/zut/bin/adelvir»: Opération non supportée
  cp: conservation des droits pour «/home/cyclope/zut/bin/vmstart»: Opération non supportée

  cyclope@MIMAS:~$ cp -puR /media/MINOS§MINOS-DATA/cmn/bin /home/cyclope/zut; echo $?
  cp: conservation des droits pour «/home/cyclope/zut/bin»: Opération non supportée
  1

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