From bbf628eda3194415950fa3eb23b21c85f8f77c82 Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Sat, 17 Sep 2022 09:01:43 -0400
Subject: pre-fill common options for docker program customization

---
 tramp-docker.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tramp-docker.el b/tramp-docker.el
index f12dd2d..453e3c2 100644
--- a/tramp-docker.el
+++ b/tramp-docker.el
@@ -58,7 +58,9 @@
 
 (defcustom tramp-docker-program "docker"
   "Name of the Docker client program."
-  :type 'string
+  :type '(choice (const "docker")
+                 (const "podman")
+                 (string))
   :group 'tramp-docker)
 
 (defconst tramp-docker-method "docker"
-- 
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