On 07/27/2011 07:17 PM, Andrew Long wrote:
Does anyone know of a program that will draw a graph of dependencies
between ports? Forex, if I select a library that I want to uninstall,
I want a graph of all 'top-level' ports that depend on it, so I can
make an early decision about keeping it or not, rather than just
trying to uninstall it and finding out that it is a dependency for a
port that I wnt to keep?
Isn't the output of
port rdependents libfoo
enough to see why a specific port has been installed?
I understand that this can be long and you just want a single port name,
so maybe try something like this:
port echo rdependentof:libfoo and requested
or:
port echo rdependentof:libfoo and leaves
rdependentof: recursively finds all ports in the dependents, requested
restrict to the ports which have explicitely been listed as an argument
to install, leaves restricts it to the requested ports without dependents.
For drawing graphs, there is the port-rdeps script which dates back
before we had 'port rdeps' in MacPorts.
http://trac.macports.org/browser/contrib/port-rdeps/port-rdeps
Rainer
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