From 412734de2943c700a7606bd4a1fe81f58461bca7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= <berykubik@gmail.com>
Date: Sat, 23 Aug 2025 14:18:30 +0200
Subject: [PATCH] Allow running rust-installer (and other tools) multiple times
 with the same arguments

---
 src/bootstrap/src/core/build_steps/tool.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs
index b62c9a906b79..c10b82536467 100644
--- a/src/bootstrap/src/core/build_steps/tool.rs
+++ b/src/bootstrap/src/core/build_steps/tool.rs
@@ -1581,6 +1581,10 @@ impl Builder<'_> {
     /// `host`.
     pub fn tool_cmd(&self, tool: Tool) -> BootstrapCommand {
         let mut cmd = command(self.tool_exe(tool));
+
+        // Do not cache tool invocations, as they can have side effects
+        cmd.do_not_cache();
+
         let compiler = self.compiler(0, self.config.host_target);
         let host = &compiler.host;
         // Prepares the `cmd` provided to be able to run the `compiler` provided.