Add boot-vm.sh convenience script

Simple wrapper that boots from disk if installed, otherwise from ISO.
Saves having to remember --boot-disk flag.

1 files changed, 17 insertions, 0 deletions

diff --git a/scripts/boot-vm.sh b/scripts/boot-vm.sh
new file mode 100755
index 0000000..82922db
--- /dev/null
+++ b/scripts/boot-vm.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+# boot-vm.sh - Boot the VM from disk if installed, otherwise from ISO
+#
+# This is a simple wrapper that does the right thing:
+# - If VM disk exists and has data, boot from disk
+# - Otherwise, boot from ISO
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VM_DISK="$SCRIPT_DIR/../vm/archzfs-test.qcow2"
+
+if [[ -f "$VM_DISK" ]] && [[ $(stat -c%s "$VM_DISK") -gt 200000 ]]; then
+    # Disk exists and is larger than ~200KB (has been written to)
+    exec "$SCRIPT_DIR/test-vm.sh" --boot-disk "$@"
+else
+    # No disk or empty disk - boot from ISO
+    exec "$SCRIPT_DIR/test-vm.sh" "$@"
+fi