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Allow nested maps for Package's "extra" field #1096

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Merged
ericmj merged 1 commit into from
Oct 26, 2025
Merged

Allow nested maps for Package's "extra" field #1096

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3 changes: 2 additions & 1 deletion lib/mix/tasks/hex.build.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,8 @@ defmodule Mix.Tasks.Hex.Build do
end

defp format_metadata_value(map) when is_map(map) do
"\n " <> Enum.map_join(map, "\n ", fn {key, val} -> "#{key}: #{val}" end)
"\n " <>
Enum.map_join(map, "\n ", fn {key, val} -> "#{key}: #{format_metadata_value(val)}" end)
end

defp format_metadata_value(value) do
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2 changes: 1 addition & 1 deletion test/mix/tasks/hex.publish_test.exs
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Expand Up @@ -540,7 +540,7 @@ defmodule Mix.Tasks.Hex.PublishTest do
assert_received {:mix_shell, :info, ["Building publish_with_metadata 0.0.3"]}
assert_received {:mix_shell, :info, [" Files:"]}
assert_received {:mix_shell, :info, [" myfile.txt"]}
assert_received {:mix_shell, :info, [" Extra: \n c: d"]}
assert_received {:mix_shell, :info, [" Extra: \n c: \n d: e"]}

assert_received {:mix_shell, :info, ["Publishing package using http://" <> _]}

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2 changes: 1 addition & 1 deletion test/support/release_samples.ex
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Expand Up @@ -87,7 +87,7 @@ defmodule ReleaseMeta.MixProject do
files: ["myfile.txt", "missing.txt", "missing/*"],
licenses: ["Apache-2.0"],
links: %{"a" => "http://a"},
extra: %{"c" => "d"}
extra: %{"c" => %{"d" => "e"}}
]
]
end
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