From f2c2863f09bbd6fe10f9f901ffefdc50de5b3598 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 16 Jan 2022 18:43:50 +0200
Subject: fix: if debootstrap target is exists, it must be an empty dir

Sponsored-by: author
---
 vmdb/plugins/debootstrap_plugin.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/vmdb/plugins/debootstrap_plugin.py b/vmdb/plugins/debootstrap_plugin.py
index 3bfeff9..a951591 100644
--- a/vmdb/plugins/debootstrap_plugin.py
+++ b/vmdb/plugins/debootstrap_plugin.py
@@ -59,6 +59,12 @@ class DebootstrapStepRunner(vmdb.StepRunnerInterface):
         if not (suite and tag and target and mirror):
             raise Exception("missing arg for debootstrap step")
 
+        if os.path.exists(target):
+            if len(os.listdir(target)) > 0:
+                raise Exception(
+                    f"debootstrap target is a non-empty directory: {target}"
+                )
+
         cmd = [
             "debootstrap",
             "--arch",
@@ -103,4 +109,3 @@ class DebootstrapStepRunner(vmdb.StepRunnerInterface):
                 ]
                 + remove_pkgs,
             )
-
-- 
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