Fix Precomp NIFs CI, upgrade deps, add list_indent_kind option

.github/actions/setup-elixir-rust/action.yml

@@ -38,9 +38,13 @@ runs:
         version-type: ${{ inputs.elixir-version == '' && 'strict' || '' }}
         elixir-version: ${{ inputs.elixir-version }}
         otp-version: ${{ inputs.otp-version }}
+        # builds.hex.pm CDN cert trips OTP TLS validation (key_usage_mismatch); fall back to jsdelivr
+        hexpm-mirrors: |
+          https://builds.hex.pm
+          https://cdn.jsdelivr.net/hex
 
     - name: Cache Elixir Dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           _build
@@ -60,7 +64,7 @@ runs:
 
     - name: Cache Rust Dependencies
       if: inputs.skip-rust != 'true'
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       otp-version: ${{ steps.setup-env.outputs.otp-version }}
       elixir-version: ${{ steps.setup-env.outputs.elixir-version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - id: setup-env
         uses: ./.github/actions/setup-elixir-rust
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: ./.github/actions/setup-elixir-rust
 
@@ -57,15 +57,15 @@ jobs:
       matrix:
         check: [credo, dialyzer]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: ./.github/actions/setup-elixir-rust
         with:
           cache-key-suffix: -${{ matrix.check }}
 
       - name: Cache Dialyzer PLTs
         if: matrix.check == 'dialyzer'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: priv/plts
           key: ${{ runner.os }}-plt-${{ needs.build.outputs.otp-version }}-${{ needs.build.outputs.elixir-version }}-${{ hashFiles('**/mix.lock') }}
@@ -97,7 +97,7 @@ jobs:
           - elixir: "1.16.3"
             otp: "26.2"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: ./.github/actions/setup-elixir-rust
         with:

.github/workflows/precompiled-nifs.yml

@@ -27,37 +27,37 @@ jobs:
       matrix:
         nif: ["2.16", "2.17"]
         job:
-          - { target: x86_64-apple-darwin, os: macos-13 }
-          # Use native Apple Silicon runner for aarch64-apple-darwin to avoid cross-compilation issues
+          # macos-13 (Intel) runners are being retired and starve the queue; build x86_64 via cross-compile on Apple Silicon
+          - { target: x86_64-apple-darwin, os: macos-14 }
           - { target: aarch64-apple-darwin, os: macos-14 }
           - {
               target: aarch64-unknown-linux-gnu,
-              os: ubuntu-22.04,
+              os: ubuntu-24.04,
               use-cross: true,
             }
           - {
               target: aarch64-unknown-linux-musl,
-              os: ubuntu-22.04,
+              os: ubuntu-24.04,
               use-cross: true,
             }
-          - { target: x86_64-pc-windows-gnu, os: windows-2022 }
-          - { target: x86_64-pc-windows-msvc, os: windows-2022 }
-          - { target: aarch64-pc-windows-msvc, os: windows-2022 }
-          - { target: x86_64-unknown-linux-gnu, os: ubuntu-22.04 }
+          - { target: x86_64-pc-windows-gnu, os: windows-2025 }
+          - { target: x86_64-pc-windows-msvc, os: windows-2025 }
+          - { target: aarch64-pc-windows-msvc, os: windows-2025 }
+          - { target: x86_64-unknown-linux-gnu, os: ubuntu-24.04 }
           - {
               target: x86_64-unknown-linux-musl,
-              os: ubuntu-22.04,
+              os: ubuntu-24.04,
               use-cross: true,
             }
           - {
               target: riscv64gc-unknown-linux-gnu,
-              os: ubuntu-22.04,
+              os: ubuntu-24.04,
               use-cross: true,
             }
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Extract project version
         shell: bash
@@ -76,7 +76,7 @@ jobs:
 
       - name: Build the project
         id: build-crate
-        uses: philss/rustler-precompiled-action@v1.1.4
+        uses: philss/rustler-precompiled-action@v1.1.5
         with:
           project-name: dprint_markdown_formatter
           project-version: ${{ env.PROJECT_VERSION }}
@@ -87,13 +87,13 @@ jobs:
           project-dir: native/dprint_markdown_formatter
 
       - name: Artifact upload
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: ${{ steps.build-crate.outputs.file-name }}
           path: ${{ steps.build-crate.outputs.file-path }}
 
       - name: Publish archives and packages
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           files: |
             ${{ steps.build-crate.outputs.file-path }}

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Elixir and Rust
         uses: ./.github/actions/setup-elixir-rust

CLAUDE.md

@@ -65,7 +65,11 @@ end
 - `:text_wrap` - "always", "never", "maintain" (default: "always")
 - `:emphasis_kind` - "asterisks", "underscores" (default: "asterisks")
 - `:strong_kind` - "asterisks", "underscores" (default: "asterisks")
+- `:new_line_kind` - "auto", "lf", "crlf" (default: "auto")
 - `:unordered_list_kind` - "dashes", "asterisks" (default: "dashes")
+- `:heading_kind` - "atx", "setext" (default: "atx")
+- `:list_indent_kind` - "common_mark", "python_markdown" (default:
+  "common_mark")
 - `:format_module_attributes` - Configure attribute formatting:
   - `nil` (default) - Skip all formatting
   - `true` - Format `:moduledoc`, `:doc`, `:typedoc`, `:shortdoc`, `:deprecated`

README.md

@@ -88,14 +88,17 @@ end
 
 ### Available Options
 
-| Option                      | Default      | Description                                     |
-| --------------------------- | ------------ | ----------------------------------------------- |
-| `:line_width`               | `80`         | Maximum line width                              |
-| `:text_wrap`                | `:always`    | Text wrapping: `:always`, `:never`, `:maintain` |
-| `:emphasis_kind`            | `:asterisks` | Emphasis style: `:asterisks`, `:underscores`    |
-| `:strong_kind`              | `:asterisks` | Strong text style: `:asterisks`, `:underscores` |
-| `:unordered_list_kind`      | `:dashes`    | List style: `:dashes`, `:asterisks`             |
-| `:format_module_attributes` | `nil`        | Module attribute formatting (see below)         |
+| Option                      | Default        | Description                                            |
+| --------------------------- | -------------- | ------------------------------------------------------ |
+| `:line_width`               | `80`           | Maximum line width                                     |
+| `:text_wrap`                | `:always`      | Text wrapping: `:always`, `:never`, `:maintain`        |
+| `:emphasis_kind`            | `:asterisks`   | Emphasis style: `:asterisks`, `:underscores`           |
+| `:strong_kind`              | `:asterisks`   | Strong text style: `:asterisks`, `:underscores`        |
+| `:new_line_kind`            | `:auto`        | Line ending type: `:auto`, `:lf`, `:crlf`              |
+| `:unordered_list_kind`      | `:dashes`      | List style: `:dashes`, `:asterisks`                    |
+| `:heading_kind`             | `:atx`         | Heading style: `:atx` (`#`), `:setext` (`===`)         |
+| `:list_indent_kind`         | `:common_mark` | Nested list indent: `:common_mark`, `:python_markdown` |
+| `:format_module_attributes` | `nil`          | Module attribute formatting (see below)                |
 
 **Note:** Configuration values can be provided as atoms (`:never`) or strings
 (`"never"`). Atoms are preferred for consistency with Elixir conventions.

lib/dprint_markdown_formatter.ex

@@ -44,6 +44,9 @@ defmodule DprintMarkdownFormatter do
     (default: `:dashes`)
   - `:heading_kind` - Heading style for level 1/2 headings: `:atx` (`#`/`##`),
     `:setext` (`===`/`---`) (default: `:atx`)
+  - `:list_indent_kind` - Nested list indent style: `:common_mark` (indent to
+    marker width), `:python_markdown` (indent to at least 4 spaces) (default:
+    `:common_mark`)
 
   **Note:** Configuration values can be provided as atoms (`:never`) or strings
   (`"never"`) via `mix.exs`. Runtime options passed to `format/2` must be atoms.

lib/dprint_markdown_formatter/config.ex

@@ -11,6 +11,7 @@ defmodule DprintMarkdownFormatter.Config do
   @typep new_line_kind_option() :: :auto | :lf | :crlf
   @typep unordered_list_kind_option() :: :dashes | :asterisks
   @typep heading_kind_option() :: :atx | :setext
+  @typep list_indent_kind_option() :: :common_mark | :python_markdown
   @typep module_attributes_option() :: nil | boolean() | [atom()]
 
   @typep nif_config_map() :: %{
@@ -20,7 +21,8 @@ defmodule DprintMarkdownFormatter.Config do
            strong_kind: atom(),
            new_line_kind: atom(),
            unordered_list_kind: atom(),
-           heading_kind: atom()
+           heading_kind: atom(),
+           list_indent_kind: atom()
          }
 
   @atom_choices %{
@@ -29,7 +31,8 @@ defmodule DprintMarkdownFormatter.Config do
     strong_kind: [:asterisks, :underscores],
     new_line_kind: [:auto, :lf, :crlf],
     unordered_list_kind: [:dashes, :asterisks],
-    heading_kind: [:atx, :setext]
+    heading_kind: [:atx, :setext],
+    list_indent_kind: [:common_mark, :python_markdown]
   }
 
   typed_structor enforce: true do
@@ -40,6 +43,7 @@ defmodule DprintMarkdownFormatter.Config do
     field :new_line_kind, new_line_kind_option(), default: :auto
     field :unordered_list_kind, unordered_list_kind_option(), default: :dashes
     field :heading_kind, heading_kind_option(), default: :atx
+    field :list_indent_kind, list_indent_kind_option(), default: :common_mark
     field :format_module_attributes, module_attributes_option(), default: nil
   end
 
@@ -57,6 +61,7 @@ defmodule DprintMarkdownFormatter.Config do
         new_line_kind: :auto,
         unordered_list_kind: :dashes,
         heading_kind: :atx,
+        list_indent_kind: :common_mark,
         format_module_attributes: nil
       }
   """
@@ -188,7 +193,8 @@ defmodule DprintMarkdownFormatter.Config do
         strong_kind: :asterisks,
         new_line_kind: :auto,
         unordered_list_kind: :dashes,
-        heading_kind: :atx
+        heading_kind: :atx,
+        list_indent_kind: :common_mark
       }
   """
   @spec to_nif_config(t()) :: nif_config_map()
@@ -200,7 +206,8 @@ defmodule DprintMarkdownFormatter.Config do
       strong_kind: config.strong_kind,
       new_line_kind: config.new_line_kind,
       unordered_list_kind: config.unordered_list_kind,
-      heading_kind: config.heading_kind
+      heading_kind: config.heading_kind,
+      list_indent_kind: config.list_indent_kind
     }
   end
 

lib/dprint_markdown_formatter/native.ex

@@ -26,6 +26,7 @@ defmodule DprintMarkdownFormatter.Native do
   @typep new_line_kind_option() :: :auto | :lf | :crlf
   @typep unordered_list_kind_option() :: :dashes | :asterisks
   @typep heading_kind_option() :: :atx | :setext
+  @typep list_indent_kind_option() :: :common_mark | :python_markdown
 
   @typep format_options() :: %{
            line_width: pos_integer(),
@@ -34,7 +35,8 @@ defmodule DprintMarkdownFormatter.Native do
            strong_kind: strong_kind_option(),
            new_line_kind: new_line_kind_option(),
            unordered_list_kind: unordered_list_kind_option(),
-           heading_kind: heading_kind_option()
+           heading_kind: heading_kind_option(),
+           list_indent_kind: list_indent_kind_option()
          }
 
   @doc """
@@ -55,7 +57,7 @@ defmodule DprintMarkdownFormatter.Native do
 
   ## Examples
 
-      iex> options = %{line_width: 80, text_wrap: :always, emphasis_kind: :asterisks, strong_kind: :asterisks, new_line_kind: :auto, unordered_list_kind: :dashes, heading_kind: :atx}
+      iex> options = %{line_width: 80, text_wrap: :always, emphasis_kind: :asterisks, strong_kind: :asterisks, new_line_kind: :auto, unordered_list_kind: :dashes, heading_kind: :atx, list_indent_kind: :common_mark}
       iex> DprintMarkdownFormatter.Native.format_markdown("# Hello    World", options)
       {:ok, "# Hello World\\n"}
 

lib/dprint_markdown_formatter/validator.ex

@@ -92,6 +92,7 @@ defmodule DprintMarkdownFormatter.Validator do
          {:ok, _new_line_kind} <- validate_new_line_kind(config.new_line_kind),
          {:ok, _unordered_list_kind} <- validate_unordered_list_kind(config.unordered_list_kind),
          {:ok, _heading_kind} <- validate_heading_kind(config.heading_kind),
+         {:ok, _list_indent_kind} <- validate_list_indent_kind(config.list_indent_kind),
          {:ok, _format_module_attributes} <-
            validate_format_module_attributes(config.format_module_attributes) do
       {:ok, config}
@@ -164,6 +165,10 @@ defmodule DprintMarkdownFormatter.Validator do
   defp validate_option_value(:new_line_kind, value), do: validate_new_line_kind(value)
   defp validate_option_value(:unordered_list_kind, value), do: validate_unordered_list_kind(value)
   defp validate_option_value(:heading_kind, value), do: validate_heading_kind(value)
+
+  defp validate_option_value(:list_indent_kind, value),
+    do: validate_list_indent_kind(value)
+
   defp validate_option_value(:extension, value), do: validate_extension(value)
   defp validate_option_value(:sigil, value), do: validate_sigil(value)
 
@@ -212,6 +217,9 @@ defmodule DprintMarkdownFormatter.Validator do
   defp validate_heading_kind(value),
     do: validate_atom_choice(value, :heading_kind, [:atx, :setext])
 
+  defp validate_list_indent_kind(value),
+    do: validate_atom_choice(value, :list_indent_kind, [:common_mark, :python_markdown])
+
   defp validate_atom_choice(value, field, valid_choices) when is_atom(value) do
     if value in valid_choices do
       {:ok, value}