From 1dc52639b289295240acd60a243831c53ee337dd Mon Sep 17 00:00:00 2001
From: Brian Durand <bbdurand@gmail.com>
Date: Thu, 30 Jul 2020 13:24:52 -0700
Subject: [PATCH] allow setting log tags with frozen hash

---
 CHANGELOG.md             | 4 ++++
 VERSION                  | 2 +-
 lib/lumberjack/logger.rb | 2 +-
 spec/logger_spec.rb      | 7 +++++++
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07d6f63..f45f820 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.2.7
+
+* Allow passing frozen hashes to `Logger.tag`. Tags passed to this method are now duplicated so the logger maintains it's own copy of the hash.
+
 ## 1.2.6
 
 * Fix Logger#tag so it only ads to the current block's logger tags instead of the global tags if called inside a `Logger#tag` block.
diff --git a/VERSION b/VERSION
index 3c43790..c04c650 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.6
+1.2.7
diff --git a/lib/lumberjack/logger.rb b/lib/lumberjack/logger.rb
index bad536e..dc4536a 100644
--- a/lib/lumberjack/logger.rb
+++ b/lib/lumberjack/logger.rb
@@ -357,7 +357,7 @@ def tag(tags, &block)
       tags = Tags.stringify_keys(tags)
       thread_tags = thread_local_value(:lumberjack_logger_tags)
       if block
-        merged_tags = (thread_tags ? thread_tags.merge(tags) : tags)
+        merged_tags = (thread_tags ? thread_tags.merge(tags) : tags.dup)
         push_thread_local_value(:lumberjack_logger_tags, merged_tags, &block)
       elsif thread_tags
         thread_tags.merge!(tags)
diff --git a/spec/logger_spec.rb b/spec/logger_spec.rb
index 9939d64..a2255dd 100644
--- a/spec/logger_spec.rb
+++ b/spec/logger_spec.rb
@@ -523,6 +523,13 @@
         line = output.string.chomp
         expect(line).to eq "message - 200 - [foo:cba]"
       end
+
+      it "should work with a frozen hash" do
+        logger.tag({foo: "bar"}.freeze)
+        logger.tag(other: 1) do
+          expect(logger.tags).to eq("foo" => "bar", "other" => 1)
+        end
+      end
     end
 
     describe "log helper methods" do