PSBoardDataBase/docs/make_notebook_index.jl

using Markdown

cd("src/notebooks/") do
    contents =
        map(readdir() |> filter(!=(".gitignore")) |> filter(!=("index.html"))) do file
            last_updated = let
                cmdout =
                    read(`git log $file`, String) |>
                    IOBuffer |>
                    eachline |>
                    Iterators.Stateful
                @assert popfirst!(cmdout) |> startswith("commit")
                @assert popfirst!(cmdout) |> startswith("Author")
                dateline = popfirst!(cmdout)
                chopprefix(dateline, "Date:") |> strip
            end
            "- [`$file`]($file) (last updated: $last_updated)"
        end |> (v -> join(v, '\n'))
    index_content = Markdown.parse("""
    # notebooks
    $(contents)
    """)
    open("index.html", "w") do f
        show(f, MIME"text/html"(), index_content)
    end
end