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diff --git a/eclass/bzr.eclass b/eclass/bzr.eclass
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-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# @DEAD
-# @ECLASS: bzr.eclass
-# @MAINTAINER:
-# Ulrich Müller <ulm@gentoo.org>
-# @AUTHOR:
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@gentoo.org>
-# Mark Lee <bzr-gentoo-overlay@lazymalevolence.com>
-# Ulrich Müller <ulm@gentoo.org>
-# Christian Faulhammer <fauli@gentoo.org>
-# @SUPPORTED_EAPIS: 7 8
-# @BLURB: generic fetching functions for the Bazaar VCS
-# @DESCRIPTION:
-# The bzr.eclass provides functions to fetch and unpack sources from
-# repositories of the Bazaar distributed version control system.
-# The eclass was originally derived from git.eclass.
-#
-# Note: Just set EBZR_REPO_URI to the URI of the branch and src_unpack()
-# of this eclass will export the branch to ${WORKDIR}/${P}.
-
-case ${EAPI} in
-	7|8) ;;
-	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
-esac
-
-PROPERTIES+=" live"
-
-BDEPEND="dev-vcs/breezy"
-
-# @ECLASS_VARIABLE: EBZR_STORE_DIR
-# @USER_VARIABLE
-# @DESCRIPTION:
-# The directory to store all fetched Bazaar live sources.
-: "${EBZR_STORE_DIR:=${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/bzr-src}"
-
-# @ECLASS_VARIABLE: EBZR_UNPACK_DIR
-# @DESCRIPTION:
-# The working directory where the sources are copied to.
-: "${EBZR_UNPACK_DIR:=${WORKDIR}/${P}}"
-
-# @ECLASS_VARIABLE: EBZR_INIT_REPO_CMD
-# @DESCRIPTION:
-# The Bazaar command to initialise a shared repository.
-: "${EBZR_INIT_REPO_CMD:="brz init-shared-repository --no-trees"}"
-
-# @ECLASS_VARIABLE: EBZR_FETCH_CMD
-# @DESCRIPTION:
-# The Bazaar command to fetch the sources.
-: "${EBZR_FETCH_CMD:="brz branch --no-tree"}"
-
-# @ECLASS_VARIABLE: EBZR_UPDATE_CMD
-# @DESCRIPTION:
-# The Bazaar command to update the sources.
-: "${EBZR_UPDATE_CMD:="brz pull --overwrite-tags"}"
-
-# @ECLASS_VARIABLE: EBZR_EXPORT_CMD
-# @DESCRIPTION:
-# The Bazaar command to export a branch.
-: "${EBZR_EXPORT_CMD:="brz export"}"
-
-# @ECLASS_VARIABLE: EBZR_CHECKOUT_CMD
-# @DESCRIPTION:
-# The Bazaar command to checkout a branch.
-: "${EBZR_CHECKOUT_CMD:="brz checkout --lightweight -q"}"
-
-# @ECLASS_VARIABLE: EBZR_REVNO_CMD
-# @DESCRIPTION:
-# The Bazaar command to list a revision number of the branch.
-: "${EBZR_REVNO_CMD:="brz revno"}"
-
-# @ECLASS_VARIABLE: EBZR_OPTIONS
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# The options passed to the fetch and update commands.
-
-# @ECLASS_VARIABLE: EBZR_REPO_URI
-# @DEFAULT_UNSET
-# @REQUIRED
-# @DESCRIPTION:
-# The repository URI for the source package.
-
-# @ECLASS_VARIABLE: EBZR_PROJECT
-# @DESCRIPTION:
-# The project name of your ebuild.  Normally, the branch will be stored
-# in the ${EBZR_STORE_DIR}/${EBZR_PROJECT} directory.
-#
-# If EBZR_BRANCH is set (see below), then a shared repository will be
-# created in that directory, and the branch will be located in
-# ${EBZR_STORE_DIR}/${EBZR_PROJECT}/${EBZR_BRANCH}.
-: "${EBZR_PROJECT:=${PN}}"
-
-# @ECLASS_VARIABLE: EBZR_BRANCH
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# The directory where to store the branch within a shared repository,
-# relative to ${EBZR_STORE_DIR}/${EBZR_PROJECT}.
-#
-# This variable should be set if there are several live ebuilds for
-# different branches of the same upstream project.  The branches can
-# then share the same repository in EBZR_PROJECT, which will save both
-# data traffic volume and disk space.
-#
-# If there is only a live ebuild for one single branch, EBZR_BRANCH
-# needs not be set.  In this case, the branch will be stored in a
-# stand-alone repository directly in EBZR_PROJECT.
-
-# @ECLASS_VARIABLE: EBZR_REVISION
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# Revision to fetch, defaults to the latest (see brz help revisionspec).
-
-# @ECLASS_VARIABLE: EBZR_OFFLINE
-# @USER_VARIABLE
-# @DESCRIPTION:
-# Set this variable to a non-empty value to disable automatic updating
-# of a bzr source tree.  This is intended to be set outside the ebuild
-# by users.
-: "${EBZR_OFFLINE=${EVCS_OFFLINE}}"
-
-# @ECLASS_VARIABLE: EVCS_UMASK
-# @USER_VARIABLE
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# Set this variable to a custom umask.  This is intended to be set by
-# users.  By setting this to something like 002, it can make life easier
-# for people who do development as non-root (but are in the portage
-# group), and then switch over to building with FEATURES=userpriv.
-# Or vice-versa.  Shouldn't be a security issue here as anyone who has
-# portage group write access already can screw the system over in more
-# creative ways.
-
-# @ECLASS_VARIABLE: EBZR_WORKDIR_CHECKOUT
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# If this variable is set to a non-empty value, EBZR_CHECKOUT_CMD will
-# be used instead of EBZR_EXPORT_CMD to copy the sources to WORKDIR.
-
-# @FUNCTION: _bzr_initial_fetch
-# @USAGE: <repository URI> <branch directory>
-# @INTERNAL
-# @DESCRIPTION:
-# Internal function, retrieves the source code from a repository for the
-# first time, using ${EBZR_FETCH_CMD}.
-_bzr_initial_fetch() {
-	local repo_uri=$1 branch_dir=$2
-
-	if [[ -n ${EBZR_OFFLINE} ]]; then
-		die "EBZR_OFFLINE cannot be used when there is no local branch yet."
-	fi
-
-	# fetch branch
-	einfo "bzr branch start -->"
-	einfo "   repository: ${repo_uri} => ${branch_dir}"
-
-	${EBZR_FETCH_CMD} ${EBZR_OPTIONS} "${repo_uri}" "${branch_dir}" \
-		|| die "${ECLASS}: can't branch from ${repo_uri}"
-}
-
-# @FUNCTION: _bzr_update
-# @USAGE: <repository URI> <branch directory>
-# @INTERNAL
-# @DESCRIPTION:
-# Internal function, updates the source code from a repository, using
-# ${EBZR_UPDATE_CMD}.
-_bzr_update() {
-	local repo_uri=$1 branch_dir=$2
-
-	if [[ -n ${EBZR_OFFLINE} ]]; then
-		einfo "skipping bzr pull -->"
-		einfo "   repository: ${repo_uri}"
-	else
-		# update branch
-		einfo "bzr pull start -->"
-		einfo "   repository: ${repo_uri}"
-
-		pushd "${branch_dir}" > /dev/null \
-			|| die "${ECLASS}: can't chdir to ${branch_dir}"
-		${EBZR_UPDATE_CMD} ${EBZR_OPTIONS} "${repo_uri}" \
-			|| die "${ECLASS}: can't pull from ${repo_uri}"
-		popd > /dev/null || die "${ECLASS}: popd failed"
-	fi
-}
-
-# @FUNCTION: bzr_fetch
-# @DESCRIPTION:
-# Wrapper function to fetch sources from a Bazaar repository with
-# bzr branch or bzr pull, depending on whether there is an existing
-# working copy.
-bzr_fetch() {
-	local repo_dir branch_dir save_umask
-
-	[[ -n ${EBZR_REPO_URI} ]] || die "${ECLASS}: EBZR_REPO_URI is empty"
-
-	if [[ ! -d ${EBZR_STORE_DIR} ]]; then
-		(
-			addwrite /
-			mkdir -p "${EBZR_STORE_DIR}" \
-				|| die "${ECLASS}: can't mkdir ${EBZR_STORE_DIR}"
-		)
-	fi
-
-	pushd "${EBZR_STORE_DIR}" > /dev/null \
-		|| die "${ECLASS}: can't chdir to ${EBZR_STORE_DIR}"
-
-	repo_dir=${EBZR_STORE_DIR}/${EBZR_PROJECT}
-	branch_dir=${repo_dir}${EBZR_BRANCH:+/${EBZR_BRANCH}}
-
-	if [[ -n ${EVCS_UMASK} ]]; then
-		save_umask=$(umask) || die
-		umask "${EVCS_UMASK}" || die
-	fi
-	addwrite "${EBZR_STORE_DIR}"
-
-	if [[ ! -d ${branch_dir}/.bzr ]]; then
-		if [[ ${repo_dir} != "${branch_dir}" && ! -d ${repo_dir}/.bzr ]]; then
-			einfo "creating shared bzr repository: ${repo_dir}"
-			${EBZR_INIT_REPO_CMD} "${repo_dir}" \
-				|| die "${ECLASS}: can't create shared repository"
-		fi
-		_bzr_initial_fetch "${EBZR_REPO_URI}" "${branch_dir}"
-	else
-		_bzr_update "${EBZR_REPO_URI}" "${branch_dir}"
-	fi
-
-	if [[ -n ${save_umask} ]]; then
-		umask "${save_umask}" || die
-	fi
-
-	cd "${branch_dir}" || die "${ECLASS}: can't chdir to ${branch_dir}"
-
-	# Save revision number in environment. #311101
-	export EBZR_REVNO=$(${EBZR_REVNO_CMD})
-
-	if [[ -n ${EBZR_WORKDIR_CHECKOUT} ]]; then
-		einfo "checking out ..."
-		${EBZR_CHECKOUT_CMD} ${EBZR_REVISION:+-r ${EBZR_REVISION}} \
-			. "${EBZR_UNPACK_DIR}" || die "${ECLASS}: checkout failed"
-	else
-		einfo "exporting ..."
-		${EBZR_EXPORT_CMD} ${EBZR_REVISION:+-r ${EBZR_REVISION}} \
-			"${EBZR_UNPACK_DIR}" . || die "${ECLASS}: export failed"
-	fi
-	einfo \
-		"revision ${EBZR_REVISION:-${EBZR_REVNO}} is now in ${EBZR_UNPACK_DIR}"
-
-	popd > /dev/null || die "${ECLASS}: popd failed"
-}
-
-# @FUNCTION: bzr_src_unpack
-# @DESCRIPTION:
-# Default src_unpack(), calls bzr_fetch.
-bzr_src_unpack() {
-	bzr_fetch
-}
-
-EXPORT_FUNCTIONS src_unpack