[ocaml-platform] opam without internet access

Hendrik Tews Hendrik.Tews at FireEye.com
Wed Mar 23 22:21:39 GMT 2016


I am trying to use opam on a machine without internet access. I
got it working with some glitches, I would like to ask here for

On a machine with internet access I do

   git clone git://github.com/ocaml/opam-repository
   cd opam-repository
   opam-admin make

The last command downloads the sources of all packages into the
archives subdir. I then physically move the opam-repository
directory to the machine without internet access and there I do

   opam init local /path/to/opam-repository

I can now install packages without internet connection because
opam accesses the sources in the archives subdir.

However, when I do opam switch for installing a different
compiler, opam wants to download the OCaml sources from the inria

Is there a way to instruct opam-admin to download and cache the
compiler sources too? I am using now the following workaround: I
modify the URL in the src field of the .comp file of the few
compiler versions that I am interested in and copy the source
file manually into the right location.

I now have 2 questions for opam-admin make. Firstly, is there a
way to restrict to restrict the download of the sources to the
latest two stable versions? I mean, it is great that I can
install every version of utop from 1.2.1 to 1.18.2, but I don't
really need that flexibility.

Secondly, the archives subdir is present already on
http://opam.ocaml.org/ . Is there a way to instruct opam-admin to
download package sources from there without rebuilding them

Thanks in advance,

Hendrik Tews

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