On Sat, Aug 07, 2004 at 10:30:14AM +0100, Philip Rowlands wrote: > On Tue, 3 Aug 2004, Tim Waugh wrote: > > >When using 'cp -a' to copy a directory structure, it has some > >unexpected behaviour. See the attached Makefile, which compares the > >behaviour between tar, cpio, and cp. > > I might be missing something here; I can't reproduce this with a recent > cp (from FC2): > > $ cp --version > cp (coreutils) 5.2.1 > $ make -s cp > $ > > The source and dest appear identical, and strace shows cp unlinking > "1/d/2" and "1/d/3" as it goes.
How odd. Is that a patched 5.2.1? Here's what I get with unpatched 5.2.1, straight from the tarball: [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ./cp --version cp (coreutils) 5.2.1 Written by Torbjorn Granlund, David MacKenzie, and Jim Meyering. Copyright (C) 2004 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ rm -fr 1 2 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ mkdir -p 1/d 2/d [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ echo foo > 1/d/1 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ln 1/d/1 1/d/2 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ln 1/d/1 1/d/3 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ echo foo > 2/d/1 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ echo bar > 2/d/2 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ln 2/d/2 2/d/3 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ln 2/d/2 2/d/4 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ ./cp -af 2/d 1 [EMAIL PROTECTED] ~/coreutils-5.2.1/src]$ diff -upr 2 1 diff -upr 2/d/1 1/d/1 --- 2/d/1 2004-08-10 13:19:02.695163241 +0100 +++ 1/d/1 2004-08-10 13:19:02.703161000 +0100 @@ -1 +1 @@ -foo +bar Tim. */
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