Brian,

I found that using

set(FILENAME ./ccny_exp_20100913_bags.tgz)

instead of

set(FILENAME ccny_exp_20100913_bags.tgz)

works, which confirms what you said. I filed the ticket here:

https://code.ros.org/trac/ros/ticket/3034

Thanks,
Ivan


On Mon, Sep 27, 2010 at 5:01 PM, Brian Gerkey <gerkey@willowgarage.com> wrote:
> On Mon, Sep 27, 2010 at 12:11 PM, Ivan Dryanovski
> <ivan.dryanovski@gmail.com> wrote:
>> --------------------------------------------
>> cmake_minimum_required(VERSION 2.4.6)
>> include($ENV{ROS_ROOT}/core/rosbuild/rosbuild.cmake)
>> rosbuild_init()
>>
>> set(URL  http://robotics.ccny.cuny.edu/data/ROS/ccny_exp_20100913_bags.tgz)
>> set(FILENAME ccny_exp_20100913_bags.tgz)
>> set(UNPACKED_NAME bags)
>> set(MD5SUM  77f36f36e36d512967f3e4aaad5e09c5)
>>
>> rosbuild_download_data(${URL} ${FILENAME} ${MD5SUM})
>> rosbuild_untar_file(${FILENAME} ${UNPACKED_NAME} ALL)
>> ------------------------------------------------
>>
>>
>> This is the output of make:
>>
>> ------------------------------------------------
>> ...
>> [ 33%] Generating ../bags
>> tar: Old option `f' requires an argument.
>> Try `tar --help' or `tar --usage' for more information.
>> make[3]: *** [../bags] Error 2
>> ...
>> ------------------------------------------------
>
> hi Ivan,
>
> That's a bug.  rosbuild is naively assuming that the FILENAME argument
> has a directory component (i.e., it's not just a bare filename).  A
> workaround is to ask the tarball to be put in a subdirectory, e.g.:
>
> set(FILENAME foo/ccny_exp_20100913_bags.tgz)
>
> Can you ticket me on the ros Trac to fix it?
>
>        brian.
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>