[arch] Redundant depencies

[Mister Dobalina]

Rainy day here, so for a little project I wrote some
code to check the dependency tree in ABS for circular
or redundant dependencies. By redundant dependency I
mean a situation like:

X depends on Y and Z but Y also depends on Z so Z is
redundant as a dependency for X.

Out of 2520 packages in ABS when I ran the program:

0 packages with circular dependencies found :)
525 packages with redundant dependencies found (21%)
with a total of 837 redundancies.


Obviously many of these redundant dep situations
shouldn't be touched, since if for some reason Y
*stops* depending on Z that might break X. A lot of
them are actually packages with gcc or glibc in their
depends for no particular reason (I don't know how
anyone could have an Arch system *without* glibc?)

Anyways, just thought I'd pass this info along if
anyone is interested. Full list of redundant
dependencies is here:

http://www.istop.com/~r6dh7/depcheck/dep.report.bz2


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