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Re: xz 5.0.3 (i386/NetBSD 5.0) strange "Unexpected end of input"
On Wed, Jun 27, 2012 at 01:45:26AM +0000, David Holland wrote:
> On Wed, Jun 27, 2012 at 12:54:41AM +0200, Joerg Sonnenberger wrote:
> > > I noticed that I was seeing
> > > unxz: (stdin): Unexpected end of input
> > > occasionally - I was running pkg_info from a context where it was
> > > examining a whole directory of binpkg files, and this gave no idea
> > > which file was (apparently) corrupt.
> > If I may guess, you are hitting no corruption, just an optimisation.
> > pkg_info just reads enough from the package to get the meta data.
> > When libarchive is *not* built against liblzma, it calls unxz as
> > external filter, pushing data as needed. Depending on how fast the
> > extraction happens, unxz hits the closed stdout or closed stdin first.
> > I'm not aware of a clean way to signal this.
> Um? Close its stdin, wait for it, then close its stdout? Or signal it
> and not close either?
Closing stdin is what leads to the message. You really don't want to
extract a 100MB binary package, if all you are interested in is the
first few KB.
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