[opam-devel] OPAM 0.9.5 released

Malcolm Matalka mmatalka at gmail.com
Fri Mar 8 22:18:33 GMT 2013

For the 5 of you out there, I have added 0.9.5 to Nix:


You can install by pulling nixpkgs off github and installing with:

sudo nix-env -f /path/to/nixpkgs -i opam

It should be pulled into nixpkgs channel soon.

I will do my best to keep opam updated on nixpkgs, let me know if you
have any questions, concerns, or comments.


Thomas Gazagnaire <thomas at ocamlpro.com> writes:

> Hi,
> I'm pleased to announce the release 0.9.5 of OPAM.  All the features that I though are important for the first releases are in, so you can consider 0.9.5 to be something like 1.0-rc1.
> For this release, I'm particularly keen on getting people feebdack on the new auto-setup thing: OPAM now asks the user if he wants his local
> configuration upgraded to fully use OPAM (including installation auto-completion scripts). Use `opam init --no-setup` if you want to
> continue using OPAM as before.
> One notable change which will please packagers of OPAM for OS distributions: I've added a `make with-ocamlbuild` and `make
> install-with-ocamlbuild` targets to not depend on the unreleased (and thus unpackaged) ocp-build. Otherwise, when using the development
> version of OPAM, it is still recommended to use ocp-build (as it is much faster).
> The changelog:
> * If necessary, apply patches and substitute files before removing a package
> * Fix `opam remove <pkg> --keep-build-dir` keeps the folder if a source archive is extracted
> * Add build and install rules using ocamlbuild to help distro packagers
> * Support arbitrary level of nested subdirectories in packages repositories
> * Add `opam config exec "CMD ARG1 ... ARGn" --switch=SWITCH` to execute a command in a subshell
> * Improve the behaviour of `opam update` wrt. pinned packages
> * Change the default external solver criteria (only useful if you have aspcud installed on your machine)
> * Add support for global and user configuration for OPAM (`opam config setup`)
> * Stop yelling when OPAM is not up-to-date
> * Update or generate `~/.ocamlinit` when running `opam init`
> * Fix tests on *BSD (thx Arnaud Degroote)
> * Fix compilation for the source archive
> The files:
> [OPAM] https://github.com/OCamlPro/opam/archive/latest.tar.gz
> [OPAM+depends] http://www.ocamlpro.com/pub/opam-latest-full.tar.gz
> Best,
> Thomas
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