From 61b9b681e88067a53b79d2318ae005dc25addcd6 Mon Sep 17 00:00:00 2001
From: Lucas Fernandes Nogueira <lucas@tauri.app>
Date: Thu, 28 Aug 2025 18:02:22 -0300
Subject: [PATCH] feat(cli): retain all RUST_* env vars on mobile commands
 (#14111)

useful to propagate RUST_BACKTRACE to the IDE commands
---
 .changes/retain-rust-vars.md       | 6 ++++++
 crates/tauri-cli/src/mobile/mod.rs | 1 +
 2 files changed, 7 insertions(+)
 create mode 100644 .changes/retain-rust-vars.md

diff --git a/.changes/retain-rust-vars.md b/.changes/retain-rust-vars.md
new file mode 100644
index 000000000..4e12f0430
--- /dev/null
+++ b/.changes/retain-rust-vars.md
@@ -0,0 +1,6 @@
+---
+"@tauri-apps/cli": patch:enhance
+"tauri-cli": patch:enhance
+---
+
+Retain `RUST_*` environment variables when running the mobile commands.
diff --git a/crates/tauri-cli/src/mobile/mod.rs b/crates/tauri-cli/src/mobile/mod.rs
index abdd96107..64504f547 100644
--- a/crates/tauri-cli/src/mobile/mod.rs
+++ b/crates/tauri-cli/src/mobile/mod.rs
@@ -347,6 +347,7 @@ fn env_vars() -> HashMap<String, OsString> {
       && k != "TAURI_SIGNING_PRIVATE_KEY_PASSWORD")
       || k.starts_with("WRY")
       || k.starts_with("CARGO_")
+      || k.starts_with("RUST_")
       || k == "TMPDIR"
       || k == "PATH"
     {