From 5520b02ea56dec8043d47263cc13e7af72414753 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Fri, 2 Aug 2024 16:04:33 +0200
Subject: [PATCH] eclass/mercurial: Sync with Gentoo

It's from Gentoo commit b5a1cc00cdf9371316b62b4ea68a2a49aae7ae52.
---
 .../portage-stable/eclass/mercurial.eclass    | 46 ++++++++-----------
 1 file changed, 18 insertions(+), 28 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/mercurial.eclass b/sdk_container/src/third_party/portage-stable/eclass/mercurial.eclass
index b79b754aa6..16d9fc87cb 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/mercurial.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/mercurial.eclass
@@ -1,9 +1,9 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: mercurial.eclass
 # @MAINTAINER:
-# Christoph Junghans <junghans@gentoo.org>
+# No maintainer <maintainer-needed@gentoo.org>
 # @AUTHOR:
 # Next gen author: Krzysztof Pawlik <nelchael@gentoo.org>
 # Original author: Aron Griffis <agriffis@gentoo.org>
@@ -25,35 +25,27 @@ _MERCURIAL_ECLASS=1
 
 PROPERTIES+=" live"
 
-case ${EAPI:-0} in
-	7)
-		# For compatibiilty only (indirect inherits).
-		# Eclass itself doesn't need it.
-		inherit eutils
-		;;
-esac
-
 BDEPEND="dev-vcs/mercurial"
 
-# @ECLASS-VARIABLE: EHG_REPO_URI
+# @ECLASS_VARIABLE: EHG_REPO_URI
 # @DESCRIPTION:
 # Mercurial repository URI.
 
-# @ECLASS-VARIABLE: EHG_REVISION
+# @ECLASS_VARIABLE: EHG_REVISION
 # @DESCRIPTION:
 # Create working directory for specified revision, defaults to default.
 #
 # EHG_REVISION is passed as a value for --updaterev parameter, so it can be more
 # than just a revision, please consult `hg help revisions' for more details.
-: ${EHG_REVISION:="default"}
+: "${EHG_REVISION:="default"}"
 
-# @ECLASS-VARIABLE: EHG_STORE_DIR
+# @ECLASS_VARIABLE: EHG_STORE_DIR
 # @USER_VARIABLE
 # @DESCRIPTION:
 # Mercurial sources store directory. Users may override this in /etc/portage/make.conf
 [[ -z "${EHG_STORE_DIR}" ]] && EHG_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/hg-src"
 
-# @ECLASS-VARIABLE: EHG_PROJECT
+# @ECLASS_VARIABLE: EHG_PROJECT
 # @DESCRIPTION:
 # Project name.
 #
@@ -61,39 +53,43 @@ BDEPEND="dev-vcs/mercurial"
 # between several ebuilds.
 [[ -z "${EHG_PROJECT}" ]] && EHG_PROJECT="${PN}"
 
-# @ECLASS-VARIABLE: EHG_CHECKOUT_DIR
+# @ECLASS_VARIABLE: EHG_CHECKOUT_DIR
 # @DESCRIPTION:
 # The directory to check the hg sources out to.
 #
 # EHG_CHECKOUT_DIR=${S}
 
-# @ECLASS-VARIABLE: EHG_QUIET
+# @ECLASS_VARIABLE: EHG_QUIET
 # @DESCRIPTION:
 # Suppress some extra noise from mercurial, set it to 'ON' to be quiet.
-: ${EHG_QUIET:="OFF"}
+: "${EHG_QUIET:="OFF"}"
 [[ "${EHG_QUIET}" == "ON" ]] && EHG_QUIET_CMD_OPT="--quiet"
 
-# @ECLASS-VARIABLE: EHG_CONFIG
+# @ECLASS_VARIABLE: EHG_CONFIG
 # @DESCRIPTION:
 # Extra config option to hand to hg clone/pull
 
-# @ECLASS-VARIABLE: EHG_CLONE_CMD
+# @ECLASS_VARIABLE: EHG_CLONE_CMD
 # @DESCRIPTION:
 # Command used to perform initial repository clone.
 [[ -z "${EHG_CLONE_CMD}" ]] && EHG_CLONE_CMD="hg clone ${EHG_CONFIG:+--config ${EHG_CONFIG}} ${EHG_QUIET_CMD_OPT} --pull --noupdate"
 
-# @ECLASS-VARIABLE: EHG_PULL_CMD
+# @ECLASS_VARIABLE: EHG_PULL_CMD
 # @DESCRIPTION:
 # Command used to update repository.
 [[ -z "${EHG_PULL_CMD}" ]] && EHG_PULL_CMD="hg pull ${EHG_CONFIG:+--config ${EHG_CONFIG}} ${EHG_QUIET_CMD_OPT}"
 
-# @ECLASS-VARIABLE: EHG_OFFLINE
+# @ECLASS_VARIABLE: EHG_OFFLINE
 # @DESCRIPTION:
 # Set this variable to a non-empty value to disable the automatic updating of
 # a mercurial source tree. This is intended to be set outside the ebuild by
 # users.
 EHG_OFFLINE="${EHG_OFFLINE:-${EVCS_OFFLINE}}"
 
+# @ECLASS_VARIABLE: EHG_BOOTSTRAP
+# @DESCRIPTION:
+# Command to be executed after checkout and clone of the specified repository.
+
 # @FUNCTION: mercurial_fetch
 # @USAGE: [repository_uri] [module] [sourcedir]
 # @DESCRIPTION:
@@ -106,8 +102,6 @@ EHG_OFFLINE="${EHG_OFFLINE:-${EVCS_OFFLINE}}"
 mercurial_fetch() {
 	debug-print-function ${FUNCNAME} "${@}"
 
-	has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
-
 	EHG_REPO_URI=${1-${EHG_REPO_URI}}
 	[[ -z "${EHG_REPO_URI}" ]] && die "EHG_REPO_URI is empty"
 
@@ -173,10 +167,6 @@ mercurial_fetch() {
 mercurial_bootstrap() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	# @ECLASS-VARIABLE: EHG_BOOTSTRAP
-	# @DESCRIPTION:
-	# Command to be executed after checkout and clone of the specified
-	# repository.
 	if [[ ${EHG_BOOTSTRAP} ]]; then
 		pushd "${S}" > /dev/null
 		einfo "Starting bootstrap"