[Bug 2116572] [NEW] cp --parents is broken

[Julian Andres Klode]

Public bug reported:

$ mkdir ja.utf-8
$ ln -s ja.utf-8/ ja
$ cp --reflink -dp --parents ja x
$ ls x
x@
$ ls -lh x
lrwxrwxrwx 1 jak jak 9 Jul 11 07:04 x@ -> ja.utf-8/
$ rm -r x
$ mkdir x
$ cp --reflink -dp --parents ja x
cp: cannot create symlink 'x' to 'ja.utf-8': File exists (os error 17)
$ gnucp --reflink -dp --parents ja x
$ ls x
ja@

In particular if we do
$ rm -r x
$ gnucp --reflink -dp --parents ja x
gnucp: with --parents, the destination must be a directory
Try 'gnucp --help' for more information.

** Affects: coreutils
     Importance: Unknown
         Status: Unknown

** Affects: rust-coreutils (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

+ $ mkdir ja.utf-8
+ $ ln -s ja.utf-8/ ja
+ $ cp --reflink -dp --parents ja x
+ $ ls x
+ x@
+ $ ls -lh x
+ lrwxrwxrwx 1 jak jak 9 Jul 11 07:04 x@ -> ja.utf-8/
+ $ rm -r x
+ $ mkdir x
+ $ cp --reflink -dp --parents ja x
+ cp: cannot create symlink 'x' to 'ja.utf-8': File exists (os error 17)
+ $ gnucp --reflink -dp --parents ja x
+ $ ls x
+ ja@
  
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> mkdir ja.utf-8
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> ln -s ja.utf-8/ ja
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> cp --reflink -dp --parents ja x
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> ls x
- x@
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> ls -lh x
- lrwxrwxrwx 1 jak jak 9 Jul 11 07:04 x@ -> ja.utf-8/
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> rm -r x
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> mkdir x
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> cp --reflink -dp --parents ja x
- cp: cannot create symlink 'x' to 'ja.utf-8': File exists (os error 17)
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies) [1]> gnucp --reflink -dp --parents ja x
- jak at jak-t14-g3 ~/P/U/ubuntu-archive-tools (sru-report-dependencies)> ls x
- ja@
+ In particular if we do
+ $ rm -r x
+ $ gnucp --reflink -dp --parents ja x
+ gnucp: with --parents, the destination must be a directory
+ Try 'gnucp --help' for more information.

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https://bugs.launchpad.net/bugs/2116572

Title:
  cp --parents is broken

Status in coreutils:
  Unknown
Status in rust-coreutils package in Ubuntu:
  New

Bug description:
  $ mkdir ja.utf-8
  $ ln -s ja.utf-8/ ja
  $ cp --reflink -dp --parents ja x
  $ ls x
  x@
  $ ls -lh x
  lrwxrwxrwx 1 jak jak 9 Jul 11 07:04 x@ -> ja.utf-8/
  $ rm -r x
  $ mkdir x
  $ cp --reflink -dp --parents ja x
  cp: cannot create symlink 'x' to 'ja.utf-8': File exists (os error 17)
  $ gnucp --reflink -dp --parents ja x
  $ ls x
  ja@

  In particular if we do
  $ rm -r x
  $ gnucp --reflink -dp --parents ja x
  gnucp: with --parents, the destination must be a directory
  Try 'gnucp --help' for more information.

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