From 67c1fa0123dcf832730b9409ab46eb4c0b92fb03 Mon Sep 17 00:00:00 2001
From: James Farrell <jamesfarrell@google.com>
Date: Tue, 19 Sep 2023 21:46:35 +0000
Subject: [PATCH] Ensure package IDs are unique when cleaning.

get_many will panic if there are duplicate IDs.
---
 src/cargo/ops/cargo_clean.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cargo/ops/cargo_clean.rs b/src/cargo/ops/cargo_clean.rs
index 6f58b8bdc83..13d4b82f97d 100644
--- a/src/cargo/ops/cargo_clean.rs
+++ b/src/cargo/ops/cargo_clean.rs
@@ -8,6 +8,7 @@ use crate::util::interning::InternedString;
 use crate::util::{human_readable_bytes, Config, Progress, ProgressStyle};
 use anyhow::bail;
 use cargo_util::paths;
+use indexmap::IndexSet;
 use std::fs;
 use std::path::{Path, PathBuf};
 
@@ -129,7 +130,7 @@ fn clean_specs(
     // Doc tests produce no output.
 
     // Get Packages for the specified specs.
-    let mut pkg_ids = Vec::new();
+    let mut pkg_ids = IndexSet::new();
     for spec_str in spec.iter() {
         // Translate the spec to a Package.
         let spec = PackageIdSpec::parse(spec_str)?;