examples: add option --interactive|-i

examples/deploy-qemu-vm.sh

@@ -14,7 +14,7 @@ set -euo pipefail
 if [[ ! -v IN_NIX_SHELL ]]; then
     echo "Running script in nix shell env..."
     cd "${BASH_SOURCE[0]%/*}"
-    exec nix-shell --run "./${BASH_SOURCE[0]##*/}"
+    exec nix-shell --run "./${BASH_SOURCE[0]##*/} $*"
 fi
 
 tmpDir=/tmp/nix-bitcoin-qemu-vm
@@ -91,7 +91,10 @@ echo
 echo "Node info:"
 c nodeinfo
 
-# Uncomment to start a shell session here
-# . start-bash-session.sh
+case ${1:-} in
+    -i|--interactive)
+        . start-bash-session.sh
+        ;;
+esac
 
 # Cleanup happens at exit (see above)