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# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: mercurial.eclass
# @MAINTAINER:
# Christoph Junghans <junghans@gentoo.org>
# @AUTHOR:
# Next gen author: Krzysztof Pawlik <nelchael@gentoo.org>
# Original author: Aron Griffis <agriffis@gentoo.org>
# @BLURB: This eclass provides generic mercurial fetching functions
# @DESCRIPTION:
# This eclass provides generic mercurial fetching functions. To fetch sources
# from mercurial repository just set EHG_REPO_URI to correct repository URI. If
# you need to share single repository between several ebuilds set EHG_PROJECT to
# project name in all of them.
inherit eutils
EXPORT_FUNCTIONS src_unpack
DEPEND="dev-vcs/mercurial"
# @ECLASS-VARIABLE: EHG_REPO_URI
# @DESCRIPTION:
# Mercurial repository URI.
# @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.
: ${EHG_REVISION:="default"}
# @ECLASS-VARIABLE: EHG_STORE_DIR
# @DESCRIPTION:
# Mercurial sources store directory. Users may override this in /etc/portage/make.conf
[[ -z "${EHG_STORE_DIR}" ]] && EHG_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/hg-src"
# @ECLASS-VARIABLE: EHG_PROJECT
# @DESCRIPTION:
# Project name.
#
# This variable default to $PN, but can be changed to allow repository sharing
# between several ebuilds.
[[ -z "${EHG_PROJECT}" ]] && EHG_PROJECT="${PN}"
# @ECLASS-VARIABLE: EGIT_CHECKOUT_DIR
# @DESCRIPTION:
# The directory to check the hg sources out to.
#
# EHG_CHECKOUT_DIR=${S}
# @ECLASS-VARIABLE: EHG_QUIET
# @DESCRIPTION:
# Suppress some extra noise from mercurial, set it to 'ON' to be quiet.
: ${EHG_QUIET:="OFF"}
[[ "${EHG_QUIET}" == "ON" ]] && EHG_QUIET_CMD_OPT="--quiet"
# @ECLASS-VARIABLE: EHG_CLONE_CMD
# @DESCRIPTION:
# Command used to perform initial repository clone.
[[ -z "${EHG_CLONE_CMD}" ]] && EHG_CLONE_CMD="hg clone ${EHG_QUIET_CMD_OPT} --pull --noupdate"
# @ECLASS-VARIABLE: EHG_PULL_CMD
# @DESCRIPTION:
# Command used to update repository.
[[ -z "${EHG_PULL_CMD}" ]] && EHG_PULL_CMD="hg pull ${EHG_QUIET_CMD_OPT}"
# @ECLASS-VARIABLE: EHG_OFFLINE
# @DESCRIPTION:
# Set this variable to a non-empty value to disable the automatic updating of
# a mercurial source tree. This is intended to be set outside the ebuild by
# users.
EHG_OFFLINE="${EHG_OFFLINE:-${EVCS_OFFLINE}}"
# @FUNCTION: mercurial_fetch
# @USAGE: [repository_uri] [module] [sourcedir]
# @DESCRIPTION:
# Clone or update repository.
#
# If repository URI is not passed it defaults to EHG_REPO_URI, if module is
# empty it defaults to basename of EHG_REPO_URI, sourcedir defaults to
# EHG_CHECKOUT_DIR, which defaults to S.
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"
local module="${2-$(basename "${EHG_REPO_URI}")}"
local sourcedir="${3:-${EHG_CHECKOUT_DIR:-${S}}}"
# Should be set but blank to prevent using $HOME/.hgrc
export HGRCPATH=
# Check ${EHG_STORE_DIR} directory:
addwrite "$(dirname "${EHG_STORE_DIR}")" || die "addwrite failed"
if [[ ! -d "${EHG_STORE_DIR}" ]]; then
mkdir -p "${EHG_STORE_DIR}" || die "failed to create ${EHG_STORE_DIR}"
chmod -f g+rw "${EHG_STORE_DIR}" || \
die "failed to chown ${EHG_STORE_DIR}"
fi
# Create project directory:
mkdir -p "${EHG_STORE_DIR}/${EHG_PROJECT}" || \
die "failed to create ${EHG_STORE_DIR}/${EHG_PROJECT}"
chmod -f g+rw "${EHG_STORE_DIR}/${EHG_PROJECT}" || \
echo "Warning: failed to chmod g+rw ${EHG_PROJECT}"
pushd "${EHG_STORE_DIR}/${EHG_PROJECT}" > /dev/null || \
die "failed to cd to ${EHG_STORE_DIR}/${EHG_PROJECT}"
# Clone/update repository:
if [[ ! -d "${module}" ]]; then
einfo "Cloning ${EHG_REPO_URI} to ${EHG_STORE_DIR}/${EHG_PROJECT}/${module}"
${EHG_CLONE_CMD} "${EHG_REPO_URI}" "${module}" || {
rm -rf "${module}"
die "failed to clone ${EHG_REPO_URI}"
}
elif [[ -z "${EHG_OFFLINE}" ]]; then
einfo "Updating ${EHG_STORE_DIR}/${EHG_PROJECT}/${module} from ${EHG_REPO_URI}"
pushd "${module}" > /dev/null || die "failed to cd to ${module}"
${EHG_PULL_CMD} "${EHG_REPO_URI}" || die "update failed"
popd > /dev/null || die
fi
popd > /dev/null || die
# Checkout working copy:
einfo "Creating working directory in ${sourcedir} (target revision: ${EHG_REVISION})"
mkdir -p "${sourcedir}" || die "failed to create ${sourcedir}"
hg clone \
${EHG_QUIET_CMD_OPT} \
--updaterev="${EHG_REVISION}" \
"${EHG_STORE_DIR}/${EHG_PROJECT}/${module}" \
"${sourcedir}" || die "hg clone failed"
# An exact revision helps a lot for testing purposes, so have some output...
# id num branch
# fd6e32d61721 6276 default
local HG_REVDATA=($(hg identify -b -i "${sourcedir}"))
export HG_REV_ID=${HG_REVDATA[0]}
local HG_REV_BRANCH=${HG_REVDATA[1]}
einfo "Work directory: ${sourcedir} global id: ${HG_REV_ID} (was ${EHG_REVISION} branch: ${HG_REV_BRANCH}"
}
# @FUNCTION: mercurial_bootstrap
# @INTERNAL
# @DESCRIPTION:
# Internal function that runs bootstrap command on unpacked source.
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"
if [[ -f ${EHG_BOOTSTRAP} ]]; then
# we have file in the repo which we should execute
debug-print "${FUNCNAME}: bootstraping with file \"${EHG_BOOTSTRAP}\""
if [[ -x ${EHG_BOOTSTRAP} ]]; then
eval "./${EHG_BOOTSTRAP}" \
|| die "${FUNCNAME}: bootstrap script failed"
else
eerror "\"${EHG_BOOTSTRAP}\" is not executable."
eerror "Report upstream, or bug ebuild maintainer to remove bootstrap command."
die "\"${EHG_BOOTSTRAP}\" is not executable"
fi
else
# we execute some system command
debug-print "${FUNCNAME}: bootstraping with commands \"${EHG_BOOTSTRAP}\""
eval "${EHG_BOOTSTRAP}" \
|| die "${FUNCNAME}: bootstrap commands failed"
fi
einfo "Bootstrap finished"
popd > /dev/null
fi
}
# @FUNCTION: mercurial_src_unpack
# @DESCRIPTION:
# The mercurial src_unpack function, which will be exported.
function mercurial_src_unpack {
debug-print-function ${FUNCNAME} "$@"
mercurial_fetch
mercurial_bootstrap
}
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