On 03/07/2011 07:20 AM, EXCOFFIER Denis wrote: > Hello, > > I've the experienced the following (100% reproducible under 1.7.7-1 or > 1.7.8-1): > > % cp /dev/null empty
Why not the much simpler: : > empty > % tar cf empty.tar --atime-preserve empty > /usr/bin/tar: empty: Cannot utime: Invalid argument > /usr/bin/tar: Exiting with failure status due to previous errors > % > > Of course the empty.tar is created as expected (ie identical as without > `--atime-preserve). The warning is not produced on Solaris, Darwin or > Linux, > therefore i contacted this list. Do you think, with your expertise, that i > should contact bug-tar also? No, this list is correct. utime should not fail on an empty file, so you've probably exposed a bug in cygwin1.dll. Also, be aware that on cygwin, you _can't_ preserve symlink or directory atimes, as the mere act of lstat'ing those files causes cygwin to make windows syscalls that end up altering the access times on those types of files (but generally, the atime on directories and symlinks is not as interesting as the atime on regular files). -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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