On Tue, Sep 1, 2015 at 9:39 PM, Jack Firth <[email protected]> wrote: > (Sorry for double post, forgot to respond to another point) > > Regarding using semantic version to resolve correct dependencies: what do > you do when a codebase needs two different versions of a package? Suppose > your app depends on packages A and B, but both A and B depend on C. More > specifically, they depend on different versions of C. Under the current > system, assuming a package and it's clients are "well behaved", either A and > B both depend on C without problems, or either A or B depends on C2, which > installs different collections than C. > > This can be fixed by allowing multiple versions of a collection to be > simultaneously installed, but that feels really tricky. Additionally it does > nothing about a single module that depends on both C and C2. I feel like the > best advantage of the current system is if there's breaking changes to C, I > can say my package depends on both C and C2, and then selectively update > individual pieces of code in my package. If I want to completely move to C2, > then I just remove the dependency on C and look for broken things. Whatever > happens moving forward, I'm interested in keeping that feature.
Part of the design of the package system was explicitly allowing code to use multiple copies of the same author's work, similar to how you to here as C and C2. So, I'm glad you recognize that :) Jay > -- > You received this message because you are subscribed to the Google Groups > "Racket Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-dev/35130451-7119-4612-bd10-092515ce7ec9%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. -- Jay McCarthy http://jeapostrophe.github.io "Wherefore, be not weary in well-doing, for ye are laying the foundation of a great work. And out of small things proceedeth that which is great." - D&C 64:33 -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/CAJYbDa%3DjHt3f6-XoGXH4Q5N5kFG6BTyWDKY9hgLnqaid2KySKQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
