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-rw-r--r--lib/chef/resource/apt_preference.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/chef/resource/apt_preference.rb b/lib/chef/resource/apt_preference.rb
index 0169fb73c2..7ece829ba2 100644
--- a/lib/chef/resource/apt_preference.rb
+++ b/lib/chef/resource/apt_preference.rb
@@ -31,7 +31,8 @@ class Chef
property :package_name, String,
name_property: true,
description: "The name of the package.",
- regex: [/^([a-z]|[A-Z]|[0-9]|_|-|\.|\*|\+)+$/]
+ regex: [/^([a-z]|[A-Z]|[0-9]|_|-|\.|\*|\+)+$/],
+ validation_message: "The provided package name is not valid. Package names can only contain alphanumeric characters as well as _, -, +, or *!"
property :glob, String,
description: "Pin by glob() expression or with regular expressions surrounded by /."