From f93ae140845655f59f7e29137587e652433c2db6 Mon Sep 17 00:00:00 2001
From: Sergio Garcia <sergio.garcia.de.la.cruz@cern.ch>
Date: Thu, 29 Jan 2026 12:37:51 +0100
Subject: [PATCH] Fix defaults usage as string

Currently the directories inside sw/$ARCHITECTURE/$PACKAGE are
unproperly named.

Oversight from e4e1e51c

```
'latest-slc9_x86-64-['\''o2'\'']
```
---
 bits_helpers/build.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bits_helpers/build.py b/bits_helpers/build.py
index 484dad93..cac118dc 100644
--- a/bits_helpers/build.py
+++ b/bits_helpers/build.py
@@ -1105,7 +1105,7 @@ def performPreferCheckWithTempDir(pkg, cmd):
       develPrefix = possibleDevelPrefix
 
     if possibleDevelPrefix:
-      spec["build_family"] = "{}-{}".format(possibleDevelPrefix, args.defaults)
+      spec["build_family"] = "{}-{}".format(possibleDevelPrefix, "_".join(args.defaults))
     else:
       spec["build_family"] = "_".join(args.defaults)
     if spec["package"] == mainPackage: