# 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