Re: how to build a patched binary rpm from a source rpm?

["Robert P. J. Day" <rpjday crashcourse ca>]

On Tue, 16 Oct 2007, Matthew Miller wrote:

> On Tue, Oct 16, 2007 at 11:21:16AM -0400, Robert P. J. Day wrote:
> >   what's the canonical way to build a modified binary rpm from the
> > original source rpm?  i can download the source rpm, install it under
> > my own "rpms/" directory, then run:
> >   $ rpmbuild -bp <spec file>
> > to run the prep stage.
> >   at that point, i can mess with the source, but it's not clear what
> > command to invoke to have the build pick up at that point and finish
> > off the build to create the (now modified) binary rpm.
>
> Mess with the source, generate a patch, and then add it to the spec
> file. Add a short string and number to the end of the release tag
> (so "Release: 1" becomes "Release 1.rday.1" or similar), and then do
> rpmbuild -ba on that.
>
> That way, when you want to rebuild it again, you've already got your
> patch. And when there's a new version of the upstream package, if
> the affected code wasn't touched, you can just carry your patch
> forward.

i should have noted that i knew about that approach -- i guess i was
just curious why there wasn't an "rpmbuild" option that supported
short-circuiting starting at the build step and continuing from there,
which would be emphatically quick and dirty.

ok, i'll just use the above technique.  thanks.

rday
-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
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