diff options
Diffstat (limited to 'eclass/golang-vcs.eclass')
| -rw-r--r-- | eclass/golang-vcs.eclass | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/eclass/golang-vcs.eclass b/eclass/golang-vcs.eclass new file mode 100644 index 000000000000..2fe3a848b251 --- /dev/null +++ b/eclass/golang-vcs.eclass @@ -0,0 +1,153 @@ +# Copyright 1999-2015 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Id$ + +# @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 "${EAPI:-0}" in + 5) + ;; + *) + die "${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_SRC +# @DESCRIPTION: +# This is the Go upstream repository which will be copied to +# ${WORKDIR}/${P}. +# If it isn't set, it defaults to the first word of ${EGO_PN}. +# This should be set if you are retrieving a repository that includes +# multiple packages, e.g. golang.org/x/tools. +# +# Example: +# @CODE +# EGO_PN="github.com/user/repository/..." +# EGO_SRC="github.com/user/repository" +# @CODE + +# @ECLASS-VARIABLE: EGO_STORE_DIR +# @DESCRIPTION: +# Storage directory for Go sources. +# +# This is intended to be set by the user in make.conf. Ebuilds must not set +# it. +# +# EGO_STORE_DIR=${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}" + if [ -z "${EGO_SRC}" ]; then + set -- ${EGO_PN} + EGO_SRC="$1" + fi + 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 ${EVCS_UMASK} ]] && eumask_pop + fi + set -- mkdir -p "${WORKDIR}/${P}/src/${EGO_SRC%/*}" + echo "$@" + "$@" || die "Unable to create ${WORKDIR}/${P}/src" + set -- cp -r "${EGO_STORE_DIR}/src/${EGO_SRC}" \ + "${WORKDIR}/${P}/src/${EGO_SRC%/*}" + echo "$@" + "$@" || die "Unable to copy sources to ${WORKDIR}/${P}" + 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 |