Re: [Caml-list] opam and dune [Was: How to use -map]

[Rudi Grinberg <rudi.grinberg@gmail.com>]

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For now the .opam file needs to be in version control. It's not ideal that
we need to check in generated files, so hopefully this problem will be
addressed in opam. If this truely bothers you, you can always disable the
opam file generation and write your opam file manually.

On Thu, Aug 8, 2019 at 3:33 AM Ian Zimmerman <itz@very.loosely.org> wrote:

> On 2019-08-06 11:47, Ian Zimmerman wrote:
>
> > So, for now, I'm sticking with Makefiles. :-P
>
> I decided to give dune a try, mostly to give myself an excuse to
> procrastinate with other projects.  After some rough going but being
> able to figure it out, I hit what seems like an impassable strait.
>
> dune generates the $package.opam file, therefore that file should not be
> on version control.  _But_ then "opam pin ." insists on getting that
> very file from the version control repo, instead of using the local one:
>
>  matica!179 aaa$ opam pin .
> [NOTE] Package aaa is already pinned to
> git+file:///home/itz/git/aaa#master (version 0.0.8~dev).
> [aaa.0.0.8~dev] no changes from git+file:///home/itz/git/aaa#master
> [WARNING] aaa's opam file has uncommitted changes, using the versioned one
> aaa is now pinned to git+file:///home/itz/git/aaa#master (version
> 0.0.8~dev)
> The following actions will be performed:
>   - install aaa 0.0.8~dev*
> Do you want to continue? [Y/n] y
> [aaa.0.0.8~dev] synchronised from git+file:///home/itz/git/aaa#master
>
> <><> Processing actions
> <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
> [ERROR] The compilation of aaa failed at
> "/home/itz/.local/packages/opam/opam-init/hooks/sandbox.sh build dune
>         subst".
>
> #=== ERROR while compiling aaa.0.0.8~dev
> ======================================#
> # context     2.0.4 | linux/x86_64 | ocaml-base-compiler.4.07.1 |
> pinned(git+file:///home/itz/git/aaa#master#193ad3bd)
> # path
> ~/.local/packages/opam/default/.opam-switch/build/aaa.0.0.8~dev
> # command     ~/.local/packages/opam/opam-init/hooks/sandbox.sh build dune
> subst
> # exit-code   1
> # env-file    ~/.local/packages/opam/log/aaa-10257-b76d46.env
> # output-file ~/.local/packages/opam/log/aaa-10257-b76d46.out
> ### output ###
> # Error: No <package>.opam files found.
>
>
>
> <><> Error report
> <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
> +- The following actions failed
> | - build aaa 0.0.8~dev
> +-
> - No changes have been performed
>
> So how do you get around this?
>
> --
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