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After a few more months brewing, we are pleased to announce a new beta release of opam. With this new milestone, opam is reaching feature-freeze, with an expected 2.0.0 by the beginning of next year. This version brings many new features, stability fixes, and big improvements to the local developmen...
This blog will cover yet another aspect of the improvements opam 2.0 has over opam 1.2. I may be a little more technical than previous issues, as it covers a feature directed specifically at packagers and repository maintainers, and regarding the package definition format. Specifying dependencies in...
After the opam build feature was announced followed a lot of discussions, mainly having to do with its interface, and misleading name. The base features it offered, though, were still widely asked for: a way to work directly with the project in the current directory, assuming it contains definitions...
Among the areas we wanted to improve on for opam 2.0 was the handling of switches. In opam 1.2, they are simply accessed by a name (the OCaml version by default), and are always stored into ~/.opam/<name>. This is fine, but can get a bit cumbersome when many switches are in presence, as there is no ...
As you may have noticed, on the begining of April I have some urge to write something technical about some deeply specific point of OCaml. This time I'd like to tackle that through sudoku. It appeard that Sudoku is of great importance considering the number of posts explaining how to write a solver....
UPDATE: after discussions following this post, this feature was abandoned with the interface presented below. See this post for the details and the new interface! The new opam 2.0 release, currently in beta, introduces several new features. This post gets into some detail on the new opam build comma...
UPDATE (2017-02-14): A beta2 is online, which fixes issues and performance of the opam build command. Get the new binaries, or recompile the opam-devel package and replace the previous binary. We are pleased to announce that the beta release of opam 2.0 is now live! You can try it already, bootstrap...