Fix sudo passing environment for firewall mode (#34)

* src/tailscale: pass firewall mode through sudo

* src/tailscale: bump to 1.0.6 for sudo env fix

Author: raggi

src/tailscale/devcontainer-feature.json

@@ -1,7 +1,7 @@
 {
   "name": "Tailscale",
   "id": "tailscale",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "Connect to your tailnet in your development container",
   "documentationURL": "https://tailscale.com/kb/1160/github-codespaces/",
   "licenseURL": "https://github.com/tailscale/codespace/blob/main/LICENSE",

src/tailscale/tailscaled-entrypoint.sh

@@ -20,7 +20,7 @@ if [[ "$(id -u)" -eq 0 ]]; then
 elif command -v sudo > /dev/null; then
   sudo --non-interactive mkdir -p /workspaces/.tailscale
   2>/dev/null >/dev/null \
-    sudo --non-interactive \
+    sudo --non-interactive "TS_DEBUG_FIREWALL_MODE=$TS_DEBUG_FIREWALL_MODE" \
     /usr/local/sbin/tailscaled \
     --statedir=/workspaces/.tailscale/ \
     --socket=/var/run/tailscale/tailscaled.sock \