I built a horrible tool called gem repackager, which works well for this on win32. On *nix it often requires root to run, but that depends on the permission of your gem tree.

It needs a lot of love, but it worked great for the time when I needed it for win32, and should work on *nix systems too.

I'm accepting patches / improvements as they come about, it's really had very little time put into it, and is now very old.

Later this month, I should get around to putting it into a git repo, giving it some tests, and a new set of rake tasks, and push it as a gem to the libraggi project, which is where most of this toy / util stuff is gunna live.

http://gem-repackager.rubyforge.org/svn/

Finally, feel free to ping me off the list with any questions you have, if you feel it's appropriate.

HTH

On 19 Jan 2009, at 15:47, Han Holl wrote:


Hi,

I want to install a gem, but it doesn't build on my platform.
I fix the C-source, and submit a patch to the owner.

But I want to go on, and not wait for the maintainer to apply my patch.
How can I rebuild the gem, and install.

I tried to untar the original gem, untar data.tar.gz, drop in my .c file, and tar it up again, but this doesn't work. I get an error message the some directory already exists. I rm -rf'ed everything in the gem directory tree
that belonged to this gem, but still the same error.

Is there a way to do this ?

Cheers,

Han Holl

PS It may be relevant that I try this on a ruby-1.9.1 in /usr/local/ bin, with
ruby-1.8.6 in /usr/bin.
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