[aur-general] [arch-general] Please settle 'base' in 'depends' for all
catwell at archlinux.us
Wed Jan 19 09:07:33 EST 2011
On Wed, 19 Jan 2011 23:59:55 +1000, Allan McRae <allan at archlinux.org>
> Huh? How is no dependency checks (-Sd) equivalent to complete
> dependency checking (-S with a transitive closure of dependencies)?
> They are polar opposites.
What I mean is that if a transitive closure of dependencies is
performed at packaging time, then there is no need to check for
dependencies when installing the original package.
Here is an example:
A depends on B and D
B depends on C
C depends on D and E
Currently the deps will be:
A -> B,D
B -> C
C -> D,E
When installing A, Pacman will:
1) check deps for A, start installing B and D
2) check deps for B and D, start installing C
3) check deps for C, start installing E
With a transitive closure scheme at packaging time, the
deps would be:
A -> B,C,D,E
B -> C,D,E
C -> D,E
When installing A, Pacman could simply install B, C, D and E
*without* checking their deps (-Sd) because these deps are
necessarily already included in those for A.
Pierre 'catwell' Chapuis
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