Port upgrade outdated sequence

[Peter Brommer]

Hi,

I ran into a problem running port upgrade outdated today. Among the packages to be upgraded were libLASi (from 1.1.1_0 to 1.1.1_1) and graphviz (from 2.34.0_1+pangocairo+x11 to 2.34.0_4+pangocairo+x11). However, the port upgrade command chose to execute the upgrade in an unfortunate sequence: First it tried to upgrade graphviz, which failed due to the bug in ticket https://trac.macports.org/ticket/41567 - when the proper behaviour would have been to upgrade libLASi first. This required a manual intervention, which IMHO is not user friendly.

Does the port upgrade command have any logic in determining the order of upgrades? Or is this something that needs to be specified on the port file level? In this case, graphviz lib-depends on libLASi, so should port not try upgrading the deps before a package?
 
Cheers,

Peter

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