Re: [gentoo-dev] merging two packages - upgrade path?

[Ulrich Mueller]

>>>>> On Thu, 5 Jun 2008, Matthias Schwarzott wrote:

> This post is about how to create a nice upgrade path when merging two
> packages.
> The packages I care about are media-plugins/vdr-streamdev-{client,server},
> that we wanted to merge into one media-plugins/vdr-streamdev package.


> So there seem to be different options:

> 1. Just create the new packages and do blocks between split and merged
> versions.

> [...]

> 2. Same as 1, but create dummy ebuilds vdr-streamdev-client-100 and
> vdr-streamdev-server-100:

> pkg_setup() {
> 	eerror "Please unmerge vdr-streamdev-server and emerge vdr-streamdev"
> 	die
> }

With #1 the user will get a message about the blockers immediately.
With #2 his emerge (maybe of many packages) will needlessly die when
it reaches your package.

> 3. Let the dummy ebuilds RDEPEND/PDEPEND on the merged version.

As you said yourself, #3 will result in cruft leftover on the user's
system.

> #1 is the default used in the tree.

With good reason, IMHO. This is a package manager issue which
shouldn't be "solved" by creating strange dummy ebuilds.

Ulrich
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