https://bugs.gentoo.org/971977
https://github.com/OpenVoxProject/openfact/pull/100

From 2b85d85bb35bfce4ac55ba3794a6b3f5329dc534 Mon Sep 17 00:00:00 2001
From: Anthony Ryan <anthonyryan1@gmail.com>
Date: Tue, 7 Apr 2026 21:09:44 -0400
Subject: [PATCH] Fix OS detection for Gentoo now that they changed to
 single-quotes in /etc/os-release

Signed-off-by: Anthony Ryan <anthonyryan1@gmail.com>
---
 lib/facter/resolvers/os_release.rb       |  2 +-
 spec/facter/resolvers/os_release_spec.rb | 28 ++++++++++++++++++++++++
 spec/fixtures/os_release_gentoo          |  8 +++++++
 3 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 spec/fixtures/os_release_gentoo

diff --git a/lib/facter/resolvers/os_release.rb b/lib/facter/resolvers/os_release.rb
index 0d7a93cc7..103aaaa20 100644
--- a/lib/facter/resolvers/os_release.rb
+++ b/lib/facter/resolvers/os_release.rb
@@ -49,7 +49,7 @@ def read_and_parse_os_release_file
 
           pairs = []
           content.each do |line|
-            pairs << line.strip.delete('"').split('=', 2) unless line.start_with?('#')
+            pairs << line.strip.delete(%q('")).split('=', 2) unless line.start_with?('#')
           end
 
           pairs
diff --git a/spec/facter/resolvers/os_release_spec.rb b/spec/facter/resolvers/os_release_spec.rb
index 67cbac03b..0ea5a7627 100644
--- a/spec/facter/resolvers/os_release_spec.rb
+++ b/spec/facter/resolvers/os_release_spec.rb
@@ -189,4 +189,32 @@
       expect(result).to eq('VirtuozzoLinux')
     end
   end
+
+  context 'when on Gentoo with single-quoted values' do
+    let(:os_release_content) { load_fixture('os_release_gentoo').readlines }
+
+    it 'returns os NAME' do
+      result = Facter::Resolvers::OsRelease.resolve(:name)
+
+      expect(result).to eq('Gentoo')
+    end
+
+    it 'returns os PRETTY_NAME' do
+      result = Facter::Resolvers::OsRelease.resolve(:pretty_name)
+
+      expect(result).to eq('Gentoo Linux')
+    end
+
+    it 'returns os VERSION_ID' do
+      result = Facter::Resolvers::OsRelease.resolve(:version_id)
+
+      expect(result).to eq('2.15')
+    end
+
+    it 'returns os id' do
+      result = Facter::Resolvers::OsRelease.resolve(:id)
+
+      expect(result).to eq('gentoo')
+    end
+  end
 end
diff --git a/spec/fixtures/os_release_gentoo b/spec/fixtures/os_release_gentoo
new file mode 100644
index 000000000..df7778b52
--- /dev/null
+++ b/spec/fixtures/os_release_gentoo
@@ -0,0 +1,8 @@
+NAME='Gentoo'
+ID=gentoo
+PRETTY_NAME='Gentoo Linux'
+ANSI_COLOR='1;32'
+HOME_URL='https://www.gentoo.org/'
+SUPPORT_URL='https://www.gentoo.org/support/'
+BUG_REPORT_URL='https://bugs.gentoo.org/'
+VERSION_ID='2.15'