From 3fb04623a4a3950a1420b03243b40b72bbeffb69 Mon Sep 17 00:00:00 2001
From: Lorenz Leutgeb <lorenz.leutgeb@radicle.xyz>
Date: Wed, 17 Sep 2025 08:26:21 +0200
Subject: [PATCH] cli/warning: Add `fn deprecate`

A helper to print deprecation warnings to stderr.
---
 crates/radicle-cli/src/warning.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/crates/radicle-cli/src/warning.rs b/crates/radicle-cli/src/warning.rs
index 7f6703c2..05c02bf4 100644
--- a/crates/radicle-cli/src/warning.rs
+++ b/crates/radicle-cli/src/warning.rs
@@ -44,3 +44,12 @@ pub(crate) fn nodes_renamed(config: &Config) -> Vec<String> {
     ));
     warnings
 }
+
+/// Prints a deprecation warning to standard error.
+pub(crate) fn deprecated(old: impl std::fmt::Display, new: impl std::fmt::Display) {
+    eprintln!(
+        "{} {} The command/option `{old}` is deprecated and will be removed. Please use `{new}` instead.",
+        radicle_term::PREFIX_WARNING,
+        radicle_term::Paint::yellow("Deprecated:").bold(),
+    );
+}