From a7b372e734c36de90380c8a1e216dff940afb0a0 Mon Sep 17 00:00:00 2001
From: Fred Dushin <fred@dushin.net>
Date: Wed, 11 Oct 2023 22:20:17 -0400
Subject: [PATCH] Improve error reporting (as an exit with data) when a parsed
 file can't be found, instead of a badmatch.

Signed-off-by: Fred Dushin <fred@dushin.net>
---
 src/packbeam_api.erl | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/packbeam_api.erl b/src/packbeam_api.erl
index d9b6fba..f39e2dd 100644
--- a/src/packbeam_api.erl
+++ b/src/packbeam_api.erl
@@ -504,13 +504,18 @@ get_data(ParsedFile) ->
 
 %% @private
 get_parsed_file(Module, ParsedFiles) ->
-    {value, V} = lists:search(
+    SearchResult = lists:search(
         fun(ParsedFile) ->
             proplists:get_value(module, ParsedFile) =:= Module
         end,
         ParsedFiles
     ),
-    V.
+    case SearchResult of
+        {value, V} ->
+            V;
+        false ->
+            exit({module_not_found, Module, ParsedFiles})
+    end.
 
 %% @private
 intersection(A, B) ->