Add Rustc feature (#1905)

* feat: rustc feature

* feat: make already installed message consistent

* fix: curl params

* fix: feature name

scripts/features/rustc.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+if [ -f ~/.homestead-features/wsl_user_name ]; then
+    WSL_USER_NAME="$(cat ~/.homestead-features/wsl_user_name)"
+    WSL_USER_GROUP="$(cat ~/.homestead-features/wsl_user_group)"
+else
+    WSL_USER_NAME=vagrant
+    WSL_USER_GROUP=vagrant
+fi
+
+export DEBIAN_FRONTEND=noninteractive
+
+if [ -f /home/$WSL_USER_NAME/.homestead-features/rustc ]; then
+    echo "Rust already installed."
+    exit 0
+fi
+
+touch /home/$WSL_USER_NAME/.homestead-features/rustc
+chown -Rf $WSL_USER_NAME:$WSL_USER_GROUP /home/$WSL_USER_NAME/.homestead-features
+
+# Run the Rust installation script as the user
+sudo -u $WSL_USER_NAME curl -LsS https://sh.rustup.rs | sudo -u $WSL_USER_NAME sh -s -- -y