From f1ca90f2882925c30f96ef60ccfd4fe39bc2c93b Mon Sep 17 00:00:00 2001
From: Lucio Franco <luciofranco14@gmail.com>
Date: Mon, 4 Apr 2022 15:31:40 -0400
Subject: [PATCH] feat(transport): Add `channel` feature flag (#960)

---
 tonic/Cargo.toml           | 3 +++
 tonic/src/lib.rs           | 4 +++-
 tonic/src/transport/mod.rs | 2 ++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/tonic/Cargo.toml b/tonic/Cargo.toml
index 92ba4d453..c104f8c9b 100644
--- a/tonic/Cargo.toml
+++ b/tonic/Cargo.toml
@@ -33,6 +33,9 @@ tls-roots-common = ["tls"]
 tls-webpki-roots = ["tls-roots-common", "webpki-roots"]
 transport = [
   "axum",
+  "channel"
+]
+channel = [
   "h2",
   "hyper",
   "tokio",
diff --git a/tonic/src/lib.rs b/tonic/src/lib.rs
index c53f2601b..c4c0f188c 100644
--- a/tonic/src/lib.rs
+++ b/tonic/src/lib.rs
@@ -17,7 +17,9 @@
 //! # Feature Flags
 //!
 //! - `transport`: Enables the fully featured, batteries included client and server
-//! implementation based on [`hyper`], [`tower`] and [`tokio`]. Enabled by default.
+//!     implementation based on [`hyper`], [`tower`] and [`tokio`]. Enabled by default.
+//! - `channel`: Enables just the full featured channel/client portion of the `transport`
+//!     feature.
 //! - `codegen`: Enables all the required exports and optional dependencies required
 //! for [`tonic-build`]. Enabled by default.
 //! - `tls`: Enables the `rustls` based TLS options for the `transport` feature. Not
diff --git a/tonic/src/transport/mod.rs b/tonic/src/transport/mod.rs
index 80db95605..e83b4c424 100644
--- a/tonic/src/transport/mod.rs
+++ b/tonic/src/transport/mod.rs
@@ -94,6 +94,8 @@ mod service;
 mod tls;
 
 #[doc(inline)]
+#[cfg(feature = "channel")]
+#[cfg_attr(docsrs, doc(cfg(feature = "channel")))]
 pub use self::channel::{Channel, Endpoint};
 pub use self::error::Error;
 #[doc(inline)]