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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/mercurial.eclass,v 1.17 2011/12/27 17:55:12 fauli Exp $
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# @ECLASS: mercurial.eclass
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# @MAINTAINER:
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# Krzysztof Pawlik <nelchael@gentoo.org>
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# Dirkjan Ochtman <djc@gentoo.org>
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# @BLURB: This eclass provides generic mercurial fetching functions
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# @DESCRIPTION:
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# This eclass provides generic mercurial fetching functions. To fetch sources
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# from mercurial repository just set EHG_REPO_URI to correct repository URI. If
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# you need to share single repository between several ebuilds set EHG_PROJECT to
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# project name in all of them.
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inherit eutils
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EXPORT_FUNCTIONS src_unpack
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DEPEND="dev-vcs/mercurial"
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# @ECLASS-VARIABLE: EHG_REPO_URI
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# @DESCRIPTION:
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# Mercurial repository URI.
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# @ECLASS-VARIABLE: EHG_REVISION
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# @DESCRIPTION:
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# Create working directory for specified revision, defaults to tip.
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#
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# EHG_REVISION is passed as a value for --updaterev parameter, so it can be more
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# than just a revision, please consult `hg help revisions' for more details.
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[[ -z "${EHG_REVISION}" ]] && EHG_REVISION="tip"
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# @ECLASS-VARIABLE: EHG_STORE_DIR
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# @DESCRIPTION:
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# Mercurial sources store directory. Users may override this in /etc/make.conf
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[[ -z "${EHG_STORE_DIR}" ]] && EHG_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/hg-src"
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# @ECLASS-VARIABLE: EHG_PROJECT
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# @DESCRIPTION:
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# Project name.
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#
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# This variable default to $PN, but can be changed to allow repository sharing
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# between several ebuilds.
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[[ -z "${EHG_PROJECT}" ]] && EHG_PROJECT="${PN}"
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# @ECLASS-VARIABLE: EHG_QUIET
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# @DESCRIPTION:
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# Suppress some extra noise from mercurial, set it to 'OFF' to be louder.
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: ${EHG_QUIET:="ON"}
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[[ "${EHG_QUIET}" == "ON" ]] && EHG_QUIET_CMD_OPT="--quiet"
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# @ECLASS-VARIABLE: EHG_CLONE_CMD
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# @DESCRIPTION:
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# Command used to perform initial repository clone.
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[[ -z "${EHG_CLONE_CMD}" ]] && EHG_CLONE_CMD="hg clone ${EHG_QUIET_CMD_OPT} --pull --noupdate"
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# @ECLASS-VARIABLE: EHG_PULL_CMD
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# @DESCRIPTION:
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# Command used to update repository.
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[[ -z "${EHG_PULL_CMD}" ]] && EHG_PULL_CMD="hg pull ${EHG_QUIET_CMD_OPT}"
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# @ECLASS-VARIABLE: EHG_OFFLINE
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# @DESCRIPTION:
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# Set this variable to a non-empty value to disable the automatic updating of
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# a mercurial source tree. This is intended to be set outside the ebuild by
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# users.
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EHG_OFFLINE="${EHG_OFFLINE:-${ESCM_OFFLINE}}"
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# @FUNCTION: mercurial_fetch
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# @USAGE: [repository_uri] [module] [sourcedir]
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# @DESCRIPTION:
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# Clone or update repository.
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#
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# If repository URI is not passed it defaults to EHG_REPO_URI, if module is
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# empty it defaults to basename of EHG_REPO_URI, sourcedir defaults to S.
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function mercurial_fetch {
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debug-print-function ${FUNCNAME} ${*}
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EHG_REPO_URI=${1-${EHG_REPO_URI}}
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[[ -z "${EHG_REPO_URI}" ]] && die "EHG_REPO_URI is empty"
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local module="${2-$(basename "${EHG_REPO_URI}")}"
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local sourcedir="${3-${S}}"
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# Should be set but blank to prevent using $HOME/.hgrc
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export HGRCPATH=
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# Check ${EHG_STORE_DIR} directory:
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addwrite "$(dirname "${EHG_STORE_DIR}")" || die "addwrite failed"
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if [[ ! -d "${EHG_STORE_DIR}" ]]; then
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mkdir -p "${EHG_STORE_DIR}" || die "failed to create ${EHG_STORE_DIR}"
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chmod -f g+rw "${EHG_STORE_DIR}" || \
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die "failed to chown ${EHG_STORE_DIR}"
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fi
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# Create project directory:
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mkdir -p "${EHG_STORE_DIR}/${EHG_PROJECT}" || \
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die "failed to create ${EHG_STORE_DIR}/${EHG_PROJECT}"
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chmod -f g+rw "${EHG_STORE_DIR}/${EHG_PROJECT}" || \
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echo "Warning: failed to chmod g+rw ${EHG_PROJECT}"
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cd "${EHG_STORE_DIR}/${EHG_PROJECT}" || \
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die "failed to cd to ${EHG_STORE_DIR}/${EHG_PROJECT}"
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# Clone/update repository:
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if [[ ! -d "${module}" ]]; then
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einfo "Cloning ${EHG_REPO_URI} to ${EHG_STORE_DIR}/${EHG_PROJECT}/${module}"
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${EHG_CLONE_CMD} "${EHG_REPO_URI}" "${module}" || {
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rm -rf "${module}"
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die "failed to clone ${EHG_REPO_URI}"
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}
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cd "${module}"
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elif [[ -z "${EHG_OFFLINE}" ]]; then
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einfo "Updating ${EHG_STORE_DIR}/${EHG_PROJECT}/${module} from ${EHG_REPO_URI}"
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cd "${module}" || die "failed to cd to ${module}"
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${EHG_PULL_CMD}
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# mercurial-2.1: hg pull returns 1 if there are no incoming changesets
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[[ $? -eq 0 || $? -eq 1 ]] || die "update failed"
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fi
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# Checkout working copy:
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einfo "Creating working directory in ${sourcedir} (target revision: ${EHG_REVISION})"
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hg clone \
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${EHG_QUIET_CMD_OPT} \
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--updaterev="${EHG_REVISION}" \
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"${EHG_STORE_DIR}/${EHG_PROJECT}/${module}" \
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"${sourcedir}" || die "hg clone failed"
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# An exact revision helps a lot for testing purposes, so have some output...
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# id num branch
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# fd6e32d61721 6276 default
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local HG_REVDATA=($(hg identify -b -i "${sourcedir}"))
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export HG_REV_ID=${HG_REVDATA[0]}
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local HG_REV_BRANCH=${HG_REVDATA[1]}
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einfo "Work directory: ${sourcedir} global id: ${HG_REV_ID} branch: ${HG_REV_BRANCH}"
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}
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# @FUNCTION: mercurial_src_unpack
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# @DESCRIPTION:
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# The mercurial src_unpack function, which will be exported.
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function mercurial_src_unpack {
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mercurial_fetch
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}
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