Add a --bin argument to mirror cargo install --bin.

e2e-tests/specific-binaries.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -euxo pipefail
+
+unset CARGO_INSTALL_ROOT
+
+CARGO_HOME=$(mktemp -d 2>/dev/null || mktemp -d -t 'cargo-home')
+export CARGO_HOME
+export PATH="$CARGO_HOME/bin:$PATH"
+
+# Install a specific binary (e.g., ripgrep)
+"./$1" binstall --no-confirm ripgrep --bin rg
+
+# Verify that the binary was installed and is executable
+if ! command -v rg >/dev/null 2>&1; then
+  echo "rg was not installed"
+  exit 1
+fi
+
+# Run the binary to check it works
+rg --version