From 02f78dc3d7bd69a8279a4170a3b98a200cdeb55f Mon Sep 17 00:00:00 2001
From: Muayyad alsadi <alsadi@gmail.com>
Date: Fri, 10 Dec 2021 02:06:43 +0200
Subject: [PATCH] FIXES #333: when volumes are merged, remove duplicates
---
podman_compose.py | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/podman_compose.py b/podman_compose.py
index 215e7f5..7a39366 100755
--- a/podman_compose.py
+++ b/podman_compose.py
@@ -867,7 +867,15 @@ def rec_merge_one(target, source):
if type(value2)!=type(value):
raise ValueError("can't merge value of {} of type {} and {}".format(key, type(value), type(value2)))
if is_list(value2):
- value.extend(value2)
+ if key == 'volumes':
+ # clean duplicate mount targets
+ pts = set([ v.split(':', 1)[1] for v in value2 if ":" in v ])
+ del_ls = [ ix for (ix, v) in enumerate(value) if ":" in v and v.split(':', 1)[1] in pts ]
+ for ix in reversed(del_ls):
+ del value[ix]
+ value.extend(value2)
+ else:
+ value.extend(value2)
elif is_dict(value2):
rec_merge_one(value, value2)
else: