reinit the tree, so we can have metadata

1 files changed, 135 insertions, 0 deletions

diff --git a/eclass/golang-vcs.eclass b/eclass/golang-vcs.eclass
new file mode 100644
index 000000000000..b95ee29178f0
--- /dev/null
+++ b/eclass/golang-vcs.eclass
@@ -0,0 +1,135 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: golang-vcs.eclass
+# @MAINTAINER:
+# William Hubbs <williamh@gentoo.org>
+# @BLURB: Eclass for fetching and unpacking go repositories.
+# @DESCRIPTION:
+# This eclass is written to ease the maintenance of live ebuilds
+# of software written in the Go programming language.
+
+inherit eutils golang-base
+
+case "${EAPI:-0}" in
+	5|6)
+		;;
+	*)
+		die "${ECLASS}: Unsupported eapi (EAPI=${EAPI})"
+		;;
+esac
+
+EXPORT_FUNCTIONS src_unpack
+
+if [[ -z ${_GOLANG_VCS} ]]; then
+
+_GOLANG_VCS=1
+
+# @ECLASS-VARIABLE: EGO_PN
+# @REQUIRED
+# @DESCRIPTION:
+# This is the import path for the go package(s). Please emerge dev-lang/go
+# and read "go help importpath" for syntax.
+#
+# Example:
+# @CODE
+# EGO_PN="github.com/user/package"
+# EGO_PN="github.com/user1/package1 github.com/user2/package2"
+# @CODE
+
+# @ECLASS-VARIABLE: EGO_STORE_DIR
+# @DESCRIPTION:
+# Storage directory for Go sources.
+#
+# This is intended to be set by the user in make.conf. Ebuilds must not set
+# it.
+#
+# EGO_STORE_DIR=${DISTDIR}/go-src
+
+# @ECLASS-VARIABLE: EVCS_OFFLINE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# If non-empty, this variable prevents any online operations.
+
+# @ECLASS-VARIABLE: EVCS_UMASK
+# @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 use FEATURES=userpriv.
+
+# @FUNCTION: _golang-vcs_env_setup
+# @INTERNAL
+# @DESCRIPTION:
+# Create EGO_STORE_DIR if necessary.
+_golang-vcs_env_setup() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	local distdir=${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}
+	: ${EGO_STORE_DIR:=${distdir}/go-src}
+
+	[[ -n ${EVCS_UMASK} ]] && eumask_push $EVCS_UMASK
+
+	if [[ ! -d ${EGO_STORE_DIR} ]]; then
+		(
+			addwrite /
+			mkdir -p "${EGO_STORE_DIR}"
+		) || die "${ECLASS}: unable to create ${EGO_STORE_DIR}"
+	fi
+
+	addwrite "${EGO_STORE_DIR}"
+
+	[[ -n ${EVCS_UMASK} ]] && eumask_pop
+	mkdir -p "${WORKDIR}/${P}/src" ||
+		die "${ECLASS}: unable to create ${WORKDIR}/${P}"
+	return 0
+}
+
+# @FUNCTION: _golang-vcs_fetch
+# @INTERNAL
+# @DESCRIPTION:
+# Retrieve the EGO_PN go package along with its dependencies.
+_golang-vcs_fetch() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	ego_pn_check
+
+	if [[ -z ${EVCS_OFFLINE} ]]; then
+		[[ -n ${EVCS_UMASK} ]] && eumask_push ${EVCS_UMASK}
+
+		set -- env GOPATH="${EGO_STORE_DIR}" go get -d -t -u -v -x "${EGO_PN}"
+		echo "$@"
+		"$@" || die
+		# The above dies if you pass repositories in EGO_PN instead of
+		# packages, e.g. golang.org/x/tools instead of golang.org/x/tools/cmd/vet.
+		# This is being discussed in the following upstream issue:
+		# https://github.com/golang/go/issues/11090
+
+		[[ -n ${EVCS_UMASK} ]] && eumask_pop
+	fi
+	local go_srcpath="${WORKDIR}/${P}/src/${EGO_PN%/...}"
+	set -- mkdir -p "${go_srcpath}"
+	echo "$@"
+	"$@" || die "Unable to create ${go_srcpath}"
+	set -- cp -r	"${EGO_STORE_DIR}/src/${EGO_PN%/...}" \
+		"${go_srcpath}/.."
+	echo "$@"
+	"$@" || die "Unable to copy sources to ${go_srcpath}"
+	return 0
+}
+
+golang-vcs_src_fetch() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_golang-vcs_env_setup
+	_golang-vcs_fetch
+}
+
+golang-vcs_src_unpack() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	golang-vcs_src_fetch
+}
+
+fi