reinit the tree, so we can have metadata

1 files changed, 196 insertions, 0 deletions

diff --git a/eclass/mercurial.eclass b/eclass/mercurial.eclass
new file mode 100644
index 000000000000..ad3102b7590d
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+++ b/eclass/mercurial.eclass
@@ -0,0 +1,196 @@
+# 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
+}