Explanation via @AltGr
It is passed the user-specified packages, and tries to deduce the reason for all actions from there by propagating in the action graph
No more `try with _ ->`. Should make sure C-c is correctly handled everywhere, and we don't catch other unexpected errors. New guideline on `try with`: - either catch specific exceptions -- always the best - or re-raise the same exception, for finalisers - or call `OpamMisc.fatal e` on the exception before continuing
…u need for a specific installation
…s to OPAM files.
with more consistent cli