From 2a51d4dffccf1ac6ae404bc38ba9f8f197d37ab2 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Mon, 12 Jan 2026 18:10:17 +0100
Subject: [PATCH] eclass/branding: Add from Gentoo

It's from Gentoo commit ffd4dcb723e9ab0f0d9d7fd29db30796166b8f79.

Signed-off-by: Krzesimir Nowak <knowak@microsoft.com>
---
 .../portage-stable/eclass/branding.eclass     | 87 +++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 sdk_container/src/third_party/portage-stable/eclass/branding.eclass

diff --git a/sdk_container/src/third_party/portage-stable/eclass/branding.eclass b/sdk_container/src/third_party/portage-stable/eclass/branding.eclass
new file mode 100644
index 0000000000..cc06d8c49e
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/eclass/branding.eclass
@@ -0,0 +1,87 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: branding.eclass
+# @MAINTAINER:
+# James Le Cuirot <chewi@gentoo.org>
+# @AUTHOR:
+# James Le Cuirot <chewi@gentoo.org>
+# @SUPPORTED_EAPIS: 8 9
+# @BLURB: Branding variables with Gentoo defaults
+# @DESCRIPTION:
+# This defines a set of variables for applying branding to various packages. The
+# variables default to Gentoo values. These can be overridden by downstream
+# distributions.
+
+case ${EAPI} in
+	8|9) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
+
+# @ECLASS_VARIABLE: BRANDING_OS_NAME
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's NAME. See os-release(5).
+: "${BRANDING_OS_NAME:=Gentoo}"
+
+# @ECLASS_VARIABLE: BRANDING_OS_ID
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's ID. See os-release(5). This variable has strict
+# formatting requirements.
+: "${BRANDING_OS_ID:=gentoo}"
+
+# @ECLASS_VARIABLE: BRANDING_OS_ID_LIKE
+# @OUTPUT_VARIABLE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Corresponds to os-release's ID_LIKE. See os-release(5).
+
+# @ECLASS_VARIABLE: BRANDING_OS_HOME_URL
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's HOME_URL. See os-release(5).
+: "${BRANDING_OS_HOME_URL:=https://www.gentoo.org/}"
+
+# @ECLASS_VARIABLE: BRANDING_OS_SUPPORT_URL
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's SUPPORT_URL. See os-release(5).
+: "${BRANDING_OS_SUPPORT_URL:=https://www.gentoo.org/support/}"
+
+# @ECLASS_VARIABLE: BRANDING_OS_BUG_REPORT_URL
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's BUG_REPORT_URL. See os-release(5).
+: "${BRANDING_OS_BUG_REPORT_URL:=https://bugs.gentoo.org/}"
+
+# @ECLASS_VARIABLE: BRANDING_OS_VERSION
+# @OUTPUT_VARIABLE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Corresponds to os-release's VERSION. See os-release(5). This is typically set
+# by sys-apps/baselayout to PV when creating /etc/os-release. As such, it is not
+# readable by other packages unless overridden globally, but baselayout's PV has
+# little relevance to other packages anyway.
+
+# @ECLASS_VARIABLE: BRANDING_OS_VERSION_ID
+# @OUTPUT_VARIABLE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Corresponds to os-release's VERSION_ID. See os-release(5). This variable has
+# strict formatting requirements. Like BRANDING_OS_VERSION above, this is also
+# set by baselayout to PV.
+
+# @ECLASS_VARIABLE: BRANDING_OS_PRETTY_NAME
+# @OUTPUT_VARIABLE
+# @DESCRIPTION:
+# Corresponds to os-release's PRETTY_NAME. See os-release(5). If completely
+# unset, defaults to "Gentoo Linux". If set but blank, defaults to the
+# concatenation of BRANDING_OS_NAME and BRANDING_OS_VERSION.
+: "${BRANDING_OS_PRETTY_NAME=Gentoo Linux}"
+: "${BRANDING_OS_PRETTY_NAME:=${BRANDING_OS_NAME}${BRANDING_OS_VERSION:+ }${BRANDING_OS_VERSION}}"
+
+# These variables are recognised by GNU's version-etc.m4.
+export with_packager="${BRANDING_OS_NAME}"
+export with_packager_bug_reports="${BRANDING_OS_BUG_REPORT_URL}"
+export with_packager_version="${PVR}"