From 9ef5f361a2d2c5c7382fb926e15bf1f38d35cf08 Mon Sep 17 00:00:00 2001
From: Fred Dushin <fred@dushin.net>
Date: Wed, 11 Oct 2023 22:07:32 -0400
Subject: [PATCH] Add relx stanzas to create a standalone release of the
 packbeam utility.

Signed-off-by: Fred Dushin <fred@dushin.net>
---
 ChangeLog                                     |  4 ++++
 Makefile                                      |  6 ++++-
 rebar.config                                  | 22 +++++++++++++++++--
 ...ckbeam.app.src => atomvm_packbeam.app.src} |  2 +-
 test/prop_packbeam.erl                        |  2 +-
 test/test_packbeam.erl                        |  2 +-
 6 files changed, 32 insertions(+), 6 deletions(-)
 rename src/{packbeam.app.src => atomvm_packbeam.app.src} (98%)

diff --git a/ChangeLog b/ChangeLog
index 43775a2..c3807bc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.6.2] (Unreleased)
+
+- Add `relx` stanzas to create a standalone release of the `packbeam` utility
+
 ## [0.6.1]
 
 - Added `extract` sub-command
diff --git a/Makefile b/Makefile
index b301be8..718e8f2 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 ## All rights reserved.
 ##
 
-all: compile escript edoc etest
+all: compile escript edoc etest release
 
 compile:
 	rebar3 compile
@@ -19,6 +19,10 @@ etest:
 	rebar3 proper --cover
 	rebar3 cover --verbose
 
+release:
+	rebar3 release
+	rebar3 tar
+
 clean:
 	rm -rf _build
 
diff --git a/rebar.config b/rebar.config
index 59effef..5e3362d 100644
--- a/rebar.config
+++ b/rebar.config
@@ -5,8 +5,8 @@
 {erl_opts, [no_debug_info]}.
 {deps, []}.
 
-{escript_incl_apps, [packbeam]}.
-{escript_main_app, packbeam}.
+{escript_incl_apps, [atomvm_packbeam]}.
+{escript_main_app, atomvm_packbeam}.
 {escript_name, packbeam}.
 {escript_emu_args, "%%! +sbtu +A1\n"}.
 
@@ -28,3 +28,21 @@
         ]}
     ]}
 ]}.
+
+{relx, [
+    {release, {atomvm_packbeam, "0.6.1"}, [
+        kernel,
+        stdlib,
+        atomvm_packbeam
+    ]},
+    {mode, prod},
+    {generate_start_script, false},
+    {overlay, [
+        {copy, "src/packbeam.erl", "bin/packbeam.escript"}
+    ]}
+]}.
+
+%% copy and rename escript next to `packbeam.escript` (See escript man page)
+{post_hooks, [
+    {release, "cp ${REBAR_BUILD_DIR}/rel/atomvm_packbeam/erts-${ERLANG_ERTS_VER}/bin/escript ${REBAR_BUILD_DIR}/rel/atomvm_packbeam/bin/packbeam"}
+]}.
diff --git a/src/packbeam.app.src b/src/atomvm_packbeam.app.src
similarity index 98%
rename from src/packbeam.app.src
rename to src/atomvm_packbeam.app.src
index e06c057..df75cbd 100644
--- a/src/packbeam.app.src
+++ b/src/atomvm_packbeam.app.src
@@ -16,7 +16,7 @@
 %%
 {
     application,
-    packbeam,
+    atomvm_packbeam,
     [
         {description,
             "An escript and library to manipulate (create, list, delete) AtomVM PackBeam files"},
diff --git a/test/prop_packbeam.erl b/test/prop_packbeam.erl
index 7a910bf..83af604 100644
--- a/test/prop_packbeam.erl
+++ b/test/prop_packbeam.erl
@@ -18,7 +18,7 @@
 -include_lib("proper/include/proper.hrl").
 
 -define(BUILD_DIR, "_build/").
--define(TEST_BEAM_DIR, "_build/test/lib/packbeam/test/").
+-define(TEST_BEAM_DIR, "_build/test/lib/atomvm_packbeam/test/").
 
 
 %%
diff --git a/test/test_packbeam.erl b/test/test_packbeam.erl
index cdee645..104149c 100644
--- a/test/test_packbeam.erl
+++ b/test/test_packbeam.erl
@@ -20,7 +20,7 @@
 -include_lib("eunit/include/eunit.hrl").
 
 -define(BUILD_DIR, "_build/").
--define(TEST_BEAM_DIR, "_build/test/lib/packbeam/test/").
+-define(TEST_BEAM_DIR, "_build/test/lib/atomvm_packbeam/test/").
 
 packbeam_create_simple_test() ->
     AVMFile = dest_dir("packbeam_create_simple_test.avm"),