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** (FunctionClauseError) no function clause matching in ExDoc.Utils.source_url_pattern/3 #1689

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restlessronin opened this issue Apr 18, 2023 · 3 comments
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** (FunctionClauseError) no function clause matching in ExDoc.Utils.source_url_pattern/3 #1689

restlessronin opened this issue Apr 18, 2023 · 3 comments

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@restlessronin
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restlessronin commented Apr 18, 2023 •
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As of today, mix docs is failing on my public repo https://github.com/restlessronin/openai_ex

The development is happening inside a livebook docker container (0.9.2) running in a VS Code devcontainer (the repo is set up for this).

The error can be reproduced by cloning the repo, opening it in a dev container, and running 'mix docs' in the terminal.

It was working on an earlier version of the same file.

As a result of this bug, I am unable to upload the latest version of the library to hexpm.
@restlessronin
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the full message is

$ mix docs
Generating docs...
** (FunctionClauseError) no function clause matching in ExDoc.Utils.source_url_pattern/3    
    
    The following arguments were given to ExDoc.Utils.source_url_pattern/3:
    
        # 1
        "https://github.com/restlessronin/openai_ex/blob/v0.1.2/%{path}#L%{line}"
    
        # 2
        "lib/openai_ex/audio.ex"
    
        # 3
        nil
    
    Attempted function clauses (showing 1 out of 1):
    
        def source_url_pattern(source_url_pattern, path, line) when is_binary(path) and is_integer(line)
    
    (ex_doc 0.29.4) lib/ex_doc/utils.ex:135: ExDoc.Utils.source_url_pattern/3
    (ex_doc 0.29.4) lib/ex_doc/retriever.ex:141: ExDoc.Retriever.generate_node/3
    (ex_doc 0.29.4) lib/ex_doc/retriever.ex:57: ExDoc.Retriever.get_module/2
    (elixir 1.14.2) lib/enum.ex:4249: Enum.flat_map_list/2
    (ex_doc 0.29.4) lib/ex_doc/retriever.ex:36: ExDoc.Retriever.docs_from_modules/2
    (ex_doc 0.29.4) lib/ex_doc.ex:24: ExDoc.generate_docs/3
    (ex_doc 0.29.4) lib/mix/tasks/docs.ex:381: anonymous fn/7 in Mix.Tasks.Docs.run/3
    (elixir 1.14.2) lib/enum.ex:2468: Enum."-reduce/3-lists^foldl/2-0-"/3

@josevalim
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You are removing debug_info from your modules in your mix.exs, which means it can't find the relevant line numbers and so on. You should keep debug_info in docs too but note there is no reason to remove debug_info at all. When building a release, the debug info is automatically removed. I will improve the error message in ExDoc.

josevalim added a commit that referenced this issue Apr 18, 2023
@josevalim
Skip if abstract code is missing, closes #1689
654e8d7
@restlessronin
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wow! that was fast. thank you!

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