On Sat, 28 Jun 2008 19:57:11 +0200 Tiziano Müller <[EMAIL PROTECTED]> wrote: > I miss two things here: > a) What happens in case of DEPEND="", RDEPEND=">=cat/bar-2:=" ? Is > that defined? If yes, what does it mean? If not, what shall be the > package managers behaviour?
:= only makes sense when something is both a DEPEND and an RDEPEND. Actual behaviour, for Paludis, is that it rewrites := deps to :=blah when writing to VDB any time it can, and leaves anything it can't as := deps. Verifying sanity of := use is left to developers and the QA tool. > b) It is not said that a package depending on "|| ( cat/bar:2 > cat/bar:3 )" then really uses cat/bar:3 if available, it might as > well use cat/bar:2 for one reason or another. It might be clearer if > we have slots named "stable", "unstable". In such a case a package > depending on cat/bar might decided to use cat/bar:stable if available > instead of cat/bar:unstable. So, the spec should either state that > the package must use the best matching version or we need another way > for such cases, like a function to explicitly tell the pm which slot > has been used. The only sensible thing you can do with multiple matches on := slots (and ||=, if that route is taken) is to take the slot of the best matching installed version, and require that ebuilds do that too. In real world cases, this works just fine. -- Ciaran McCreesh
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