Add ignore_git_ignore flag to build options

src/build_context.rs

@@ -178,6 +178,8 @@ pub struct BuildContext {
     pub editable: bool,
     /// Cargo build options
     pub cargo_options: CargoOptions,
+    /// Ignore `.gitignore` files when including files for the Python part of a mixed project
+    pub ignore_git_ignore: bool,
 }
 
 /// The wheel file location and its Python version tag (e.g. `py3`).
@@ -474,6 +476,7 @@ impl BuildContext {
             None,
             &self.target,
             self.editable,
+            self.ignore_git_ignore,
         )
         .context("Failed to add the files to the wheel")?;
 
@@ -545,6 +548,7 @@ impl BuildContext {
             Some(python_interpreter),
             &self.target,
             self.editable,
+            self.ignore_git_ignore,
         )
         .context("Failed to add the files to the wheel")?;
 
@@ -663,6 +667,7 @@ impl BuildContext {
             &artifact.path,
             &self.interpreter[0].executable,
             self.editable,
+            self.ignore_git_ignore,
         )?;
 
         self.add_pth(&mut writer)?;
@@ -763,7 +768,7 @@ impl BuildContext {
                 bail!("Sorry, adding python code to a wasm binary is currently not supported")
             }
             if !self.editable {
-                write_python_part(&mut writer, python_module)
+                write_python_part(&mut writer, python_module, self.ignore_git_ignore)
                     .context("Failed to add the python module to the package")?;
             }
         }

src/build_options.rs

@@ -174,6 +174,10 @@ pub struct BuildOptions {
     #[arg(long = "skip-auditwheel")]
     pub skip_auditwheel: bool,
 
+    /// Ignore `.gitignore` files when including files for the Python part of a mixed project
+    #[arg(long = "ignore-git-ignore")]
+    pub ignore_git_ignore: bool,
+
     /// For manylinux targets, use zig to ensure compliance for the chosen manylinux version
     ///
     /// Default to manylinux2014/manylinux_2_17 if you do not specify an `--compatibility`
@@ -597,6 +601,8 @@ impl BuildOptions {
         let strip = pyproject.map(|x| x.strip()).unwrap_or_default() || strip;
         let skip_auditwheel =
             pyproject.map(|x| x.skip_auditwheel()).unwrap_or_default() || self.skip_auditwheel;
+        let ignore_git_ignore =
+            pyproject.map(|x| x.ignore_git_ignore()).unwrap_or_default() || self.ignore_git_ignore;
         let platform_tags = if self.platform_tag.is_empty() {
             let compatibility = pyproject
                 .and_then(|x| {
@@ -721,6 +727,7 @@ impl BuildOptions {
             universal2,
             editable,
             cargo_options,
+            ignore_git_ignore,
         })
     }
 }

src/develop.rs

@@ -57,6 +57,7 @@ pub fn develop(
         bindings,
         out: Some(wheel_dir.path().to_path_buf()),
         skip_auditwheel: false,
+        ignore_git_ignore: false,
         zig: false,
         universal2: false,
         cargo: CargoOptions {

src/module_writer.rs

@@ -634,6 +634,7 @@ pub fn write_bindings_module(
     python_interpreter: Option<&PythonInterpreter>,
     target: &Target,
     editable: bool,
+    ignore_git_ignore: bool,
 ) -> Result<()> {
     let ext_name = &project_layout.extension_name;
     let so_filename = match python_interpreter {
@@ -664,7 +665,7 @@ pub fn write_bindings_module(
                 target.display()
             ))?;
         } else {
-            write_python_part(writer, python_module)
+            write_python_part(writer, python_module, ignore_git_ignore)
                 .context("Failed to add the python module to the package")?;
 
             let relative = project_layout
@@ -714,14 +715,15 @@ pub fn write_cffi_module(
     artifact: &Path,
     python: &Path,
     editable: bool,
+    ignore_git_ignore: bool,
 ) -> Result<()> {
     let cffi_declarations = generate_cffi_declarations(crate_dir, target_dir, python)?;
 
     let module;
 
     if let Some(python_module) = &project_layout.python_module {
         if !editable {
-            write_python_part(writer, python_module)
+            write_python_part(writer, python_module, ignore_git_ignore)
                 .context("Failed to add the python module to the package")?;
         }
 
@@ -848,8 +850,13 @@ if __name__ == '__main__':
 pub fn write_python_part(
     writer: &mut impl ModuleWriter,
     python_module: impl AsRef<Path>,
+    ignore_git_ignore: bool,
 ) -> Result<()> {
-    for absolute in WalkBuilder::new(&python_module).hidden(false).build() {
+    for absolute in WalkBuilder::new(&python_module)
+        .git_ignore(!ignore_git_ignore)
+        .hidden(false)
+        .build()
+    {
         let absolute = absolute?.into_path();
         let relative = absolute
             .strip_prefix(python_module.as_ref().parent().unwrap())

src/pyproject_toml.rs

@@ -25,6 +25,8 @@ pub struct ToolMaturin {
     skip_auditwheel: bool,
     #[serde(default)]
     strip: bool,
+    #[serde(default)]
+    ignore_git_ignore: bool,
     /// The directory with python module, contains `<module_name>/__init__.py`
     python_source: Option<PathBuf>,
     /// Path to the wheel directory, defaults to `<module_name>.data`
@@ -142,6 +144,13 @@ impl PyProjectToml {
         self.maturin()?.manifest_path.as_deref()
     }
 
+    /// Returns the value of `[tool.maturin.ignore_git_ignore]` in pyproject.toml
+    pub fn ignore_git_ignore(&self) -> bool {
+        self.maturin()
+            .map(|maturin| maturin.ignore_git_ignore)
+            .unwrap_or_default()
+    }
+
     /// Having a pyproject.toml without a version constraint is a bad idea
     /// because at some point we'll have to do breaking changes and then source
     /// distributions would break

tests/cmd/build.stdout

@@ -48,6 +48,9 @@ Options:
       --skip-auditwheel
           Don't check for manylinux compliance
 
+      --ignore-git-ignore
+          Ignore `.gitignore` files when including files for the Python part of a mixed project
+
       --zig
           For manylinux targets, use zig to ensure compliance for the chosen manylinux version
 

tests/cmd/publish.stdout

@@ -82,6 +82,9 @@ Options:
       --skip-auditwheel
           Don't check for manylinux compliance
 
+      --ignore-git-ignore
+          Ignore `.gitignore` files when including files for the Python part of a mixed project
+
       --zig
           For manylinux targets, use zig to ensure compliance for the chosen manylinux version