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Date:      Tue, 17 May 2022 16:01:43 +0000
From:      bugzilla-noreply@freebsd.org
To:        erlang@FreeBSD.org
Subject:   [Bug 264046] lang/elixir-devel: doesn't produce self-contained mix releases
Message-ID:  <bug-264046-38768@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264046

            Bug ID: 264046
           Summary: lang/elixir-devel: doesn't produce self-contained mix
                    releases
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: erlang@FreeBSD.org
          Reporter: pat@patmaddox.com
          Assignee: erlang@FreeBSD.org
             Flags: maintainer-feedback?(erlang@FreeBSD.org)

Problem: lang/elixir-devel produces mix releases that require an Erlang run=
time
to be installed. This occurs because it patches the `elixir` startup script=
 to
replace ERTS_BIN. It specifies a path that's hard-coded to a file in the
lang/erlang-runtime* that was used to build elixir, as described in
https://lists.freebsd.org/archives/freebsd-erlang/2022-May/000629.html

---

Goal: Build a mix release, and then run it on a FreeBSD system with no Erla=
ng
or Elixir runtime.

>From mix release docs:
https://hexdocs.pm/mix/Mix.Tasks.Release.html#module-why-releases

> Self-contained. A release does not require the source code to be included=
 in your production artifacts. All of the code is precompiled and packaged.=
 Releases do not even require Erlang or Elixir in your servers, as it inclu=
des the Erlang VM and its runtime by default. Furthermore, both Erlang and =
Elixir standard libraries are stripped to bring only the parts you are actu=
ally using.

In other words, you should be able to:

pkg install -y elixir-devel
mix new my_app
cd my_app && mix release
pkg remove -y elixir-devel
pkg autoremove -y
./_build/dev/rel/my_app/bin/my_app start_iex

---

What happens: `exec: /usr/local/lib/erlang24/bin/erl: not found`

What should happen: an IEX console

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