# Copyright 1999-2021 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @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} is not supported" ;; esac PROPERTIES+=" live" BDEPEND="dev-vcs/breezy" EXPORT_FUNCTIONS src_unpack # @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 }