Jean-Marc Le Roux 7ab9364094
[Rust] Configurable default features from reqwest dependency (#22041)
* fix(rust): Remove default features from reqwest dependency

This change removes the default features (specifically native-tls) from the reqwest
dependency in the Rust client generator. This allows users to explicitly choose
their TLS backend without automatically including openssl-sys as a transitive dependency.

Users can now explicitly enable TLS backends using feature flags:
- native-tls
- rustls-tls
- default-tls

Fixes #21933

* feat(rust): Add reqwestDefaultFeatures option with backward-compatible default

This change adds a new generator option `reqwestDefaultFeatures` that allows
users to configure the default Cargo features for the reqwest dependency.

The option accepts:
- An array of strings in YAML config: reqwestDefaultFeatures: ["native-tls"]
- A comma-separated string via CLI: --additional-properties=reqwestDefaultFeatures=native-tls
- An empty value for no defaults: reqwestDefaultFeatures: []

Default value: ["native-tls"] (maintains backward compatibility)

This addresses the feedback in #21933 to make the change opt-in rather than
breaking existing users.

Users can now:
- Keep the current behavior (default)
- Opt-out: reqwestDefaultFeatures: []
- Use alternative TLS: reqwestDefaultFeatures: ["rustls-tls"]
- Combine features: reqwestDefaultFeatures: ["native-tls", "cookies"]

Fixes #21933
2025-10-02 01:47:08 +08:00
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