Fix docs for new and init commands in maturin --help

Changelog.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+* Fix docs for `new` and `init` commands in `maturin --help` in [#734](https://github.com/PyO3/maturin/pull/734)
+
 ## [0.12.4] - 2021-12-06
 
 * Add a `maturin init` command as a companion to `maturin new` in [#719](https://github.com/PyO3/maturin/pull/719)

src/main.rs

@@ -6,11 +6,10 @@
 use anyhow::{bail, Context, Result};
 use cargo_metadata::MetadataCommand;
 use fs_err as fs;
-use maturin::GenerateProjectOptions;
 use maturin::{
     develop, init_project, new_project, source_distribution, write_dist_info, BridgeModel,
-    BuildOptions, CargoToml, Metadata21, PathWriter, PlatformTag, PyProjectToml, PythonInterpreter,
-    Target,
+    BuildOptions, CargoToml, GenerateProjectOptions, Metadata21, PathWriter, PlatformTag,
+    PyProjectToml, PythonInterpreter, Target,
 };
 #[cfg(feature = "upload")]
 use maturin::{upload_ui, PublishOpt};

src/new_project.rs

@@ -89,8 +89,10 @@ impl<'a> ProjectGenerator<'a> {
     }
 }
 
+// workaround for https://github.com/TeXitoi/structopt/issues/333#issuecomment-712265332
+#[cfg_attr(not(doc), allow(missing_docs))]
+#[cfg_attr(doc, doc = "Options common to `maturin new` and `maturin init`.")]
 #[derive(Debug, StructOpt)]
-/// Options common to `maturin new` and `maturin init`.
 pub struct GenerateProjectOptions {
     /// Set the resulting package name, defaults to the directory name
     #[structopt(long)]