Re: [gentoo-dev] portage idea - auto embed user patches

[Bo Ørsted Andresen]

On Thursday 21 December 2006 15:32, Alexander Zubkov wrote:
> I have some idea on extending portage building system (ebuild?).
> Sometimes I'm (for example) want to apply custom patch to some package.
> This patch can do something unusual, that can not be accepted by
> maintainers and I know this. But I like features in my patch and want it
> to apply automatically when updating the package. Not to do it like this:
> $ ebuild /usr/portage/pkg-categoty/some-package/some-package-1.0 unpack
> $ cd /var/tmp/portage/pkg-categoty/some-package/work/...
> $ patch -p1 < ~/my-patch-for-some-package
> $ cd
> $ ebuild /usr/portage/pkg-categoty/some-package/some-package-1.0 merge
>
> It is lot of manual work. The idea is having an file, for example
> /etc/portage/package.patch with contents like this:
> =pkg-category/some-package-1*      /path/to/my-patch-for-some-package
>
> Of course, patches could fail in newer versions. But when I'll use that
> feature - I'll understand why it can be and it'll be more convenient to
> maintain it.

You can also use the post_src_unpack() user hook and the profile.bashrc in the 
base profile for this. E.g.:

# mkdir -p /etc/portage/env/$category
# cat << END > /etc/portage/env/$category/$name
post_src_unpack() {
    epatch foo.patch
}
END

-- 
Bo Andresen