I have committed a workaround that works with bsdtar under Snow
Leopard (Mac OS 10.6) for me.
We have seen rather too many problems with incompatibility of tar
formats recently (and it is documented to be ASCII only and has
restrictions to 100 bytes for file paths), so have alternatives under
consideration.
On Sun, 25 Oct 2009, Prof Brian Ripley wrote:
On Sun, 25 Oct 2009, Hiroyuki Kawakatsu wrote:
On Fri, Oct 23, 2009, Hiroyuki Kawakatsu wrote:
Hi,
I am getting an error from one of the test files
tests/reg-tests-1.R using the unstable version (r50179).
(i've learned my lessons; this is a clean build.) The tail
of reg-tests-1.Rout.fail is
Loading required package: myTst
building package pkgA ...
installing package pkgA using file pkgA_1.0.tar.gz ...
Error in as.octmode(mode) : invalid digits
Error in install.packages(r, lib = "myLib", repos = NULL, type = "source")
:
(converted from warning) installation of package 'pkgA_1.0.tar.gz'
had non-zero exit status
Execution halted
[...]
I think I have tracked this down to the following line in utils:::untar2()
mode <- rawToChar(block[101:107])
mode contains a trailing space as in "000755 " which causes the invalid
digits error in as.octmode(). If I change the line to
mode <- rawToChar(block[101:106])
untar2("pkgA_1.0.tar.gz") unpacks the test package but I, of course,
do not know whether this is a general fix.
Am I the only one seeing this problem (FreeBSD 9.0-CURRENT)?
Seems this is a bug in the tar program on your OS: this should be
'0000755(nul)' in the 8 bytes 101:108. And that's in every account of the tar
format I have found, including the former POSIX standard.
(Note to Peter D: we don't use getOct for this one, as it is not a field that
is allowed to be space-padded.)
I guess we need to work around this ... to a large extent we have got away
with using tar format in the past because everyone was using GNU tar, but
others are coming into use.
[A quick check confirms that bsdtar from the libarchive project does this, as
used by Snow Leopard and AFAIK FreeBSD >= 8. So I can reproduce it.]
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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