[OE-core] tar: This does not look like a tar archive; bzip2-native folder has empty binaries

[Sriram Sundararajan]

I was able to compile a 'core-image-minimal' on 08/23/12 without any
issues. On 08/25 however, I came across the following issue for the same
(bitbake core-image-minimal)

ERROR: Function failed: Unpack failure for URL: '
http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2'. Unpack
command
PATH="/opt/oe/oe-core/scripts/native-intercept:/opt/oe/oe-core/build/tmp-eglibc/sysroots/x86_64-linux/usr/bin/bzip2-native:blah:blah"
bzip2 -dc /opt/oe/oe-core/build/downloads/Python-2.7.3.tar.bz2 | tar x
--no-same-owner -f - failed with return value 2
ERROR: Logfile of failure stored in:
/opt/oe/oe-core/build/tmp-eglibc/work/x86_64-linux/python-native-2.7.3-r0.1/temp/log.do_unpack.3125
Log data follows:
| DEBUG: Executing python function do_unpack
| DEBUG: Executing python function base_do_unpack
| NOTE: Unpacking /opt/oe/oe-core/build/downloads/Python-2.7.3.tar.bz2 to
/opt/oe/oe-core/build/tmp-eglibc/work/x86_64-linux/python-native-2.7.3-r0.1/
| tar: This does not look like a tar archive
| tar: Exiting with failure status due to previous errors
| DEBUG: Python function base_do_unpack finished
| DEBUG: Python function do_unpack finished

The bzip2-native binary files (including appropriate symlinks) were present
under tmp-eglibc/sysroots/x86_64-linux/usr/bin/bzip2-native, but were all
empty! I was able to copy my /bin/bz* to
/tmp-eglibc/sysroots/x86_64-linux/usr/bin/bzip2-native and move on.  Don't
know much about bzip2-native, but bitbake bzip2-native had no effect.  Both
my installs were performed from scratch on identical ubuntu 12.04 installs.
The oe-core sources were cloned from gibhub. One on 08/23 and another on
08/25. There was a checkin reference to bzip2-native for
python-native_2.7.3.bb about a month back according to github.

Can anyone shed any light on why bzip tools were not compiled or installed
properly? What could've changed during these two days? I did a `find . |
grep bzip2-native` and saw some references to a folder
bzip2-native-1.0.6-r5. However, I could not find any references to
bzip2-full-native_1.0.6.bb or bzip2-native_1.0.6.bb. Now I'm scratching my
head and thinking where did this package come from in the first place? Any
help appreciated!

Thanks
Sriram
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