On Wed 18 Jul 2018 at 13:02:03 +0000, Christos Zoulas wrote: > Let's survey the other implementations (linux, etc.) and see what they > do, and decide. We should document this clearly as well as stating what > other implementations do, and why we decided to do what we decided so others > don't have to re-do this in the future. It seems linux cp -lr also links files it would not be able to read: rhialto:~/tmp$ cp -lr dir1 dir1a rhialto:~/tmp$ l -R dir1 dir1: total 12 drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:13 ./ drwxrwxr-x 5 rhialto rhialto 4096 Jul 18 21:13 ../ -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 a -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 b -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 c drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:13 dir2/ dir1/dir2: total 8 drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:13 ./ drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:13 ../ -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 d ---------- 2 rhialto rhialto 0 Jul 18 21:13 e ---------- 2 rhialto rhialto 0 Jul 18 21:13 f rhialto:~/tmp$ l -R dir1a dir1a: total 12 drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:13 ./ drwxrwxr-x 5 rhialto rhialto 4096 Jul 18 21:13 ../ -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 a -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 b -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 c drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:13 dir2/ dir1a/dir2: total 8 drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:13 ./ drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:13 ../ -rw-rw-r-- 2 rhialto rhialto 0 Jul 18 21:13 d ---------- 2 rhialto rhialto 0 Jul 18 21:13 e ---------- 2 rhialto rhialto 0 Jul 18 21:13 f rhialto:~/tmp$ cp -r dir1 dir1b cp: cannot open 'dir1/dir2/e' for reading: Permission denied cp: cannot open 'dir1/dir2/f' for reading: Permission denied rhialto:~/tmp$ l -R dir1b dir1b: total 12 drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:15 ./ drwxrwxr-x 6 rhialto rhialto 4096 Jul 18 21:15 ../ -rw-rw-r-- 1 rhialto rhialto 0 Jul 18 21:15 a -rw-rw-r-- 1 rhialto rhialto 0 Jul 18 21:15 b -rw-rw-r-- 1 rhialto rhialto 0 Jul 18 21:15 c drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:15 dir2/ dir1b/dir2: total 8 drwxrwxr-x 2 rhialto rhialto 4096 Jul 18 21:15 ./ drwxrwxr-x 3 rhialto rhialto 4096 Jul 18 21:15 ../ -rw-rw-r-- 1 rhialto rhialto 0 Jul 18 21:15 d rhialto:~/tmp$ cp --version cp (GNU coreutils) 8.25 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Torbjörn Granlund, David MacKenzie, and Jim Meyering. -Olaf. -- ___ Olaf 'Rhialto' Seibert -- Wayland: Those who don't understand X \X/ rhialto/at/falu.nl -- are condemned to reinvent it. Poorly.
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