# Copyright 1999-2015 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # @ECLASS: darcs.eclass # @MAINTAINER: # "Gentoo's Haskell Language team" <haskell@gentoo.org> # Sergei Trofimovich <slyfox@gentoo.org> # @AUTHOR: # Original Author: Jeffrey Yasskin <jyasskin@mail.utexas.edu> # <rphillips@gentoo.org> (tla eclass author) # Andres Loeh <kosmikus@gentoo.org> (darcs.eclass author) # Alexander Vershilov <alexander.vershilov@gmail.com> (various contributions) # @BLURB: This eclass provides functions for fetch and unpack darcs repositories # @DESCRIPTION: # This eclass provides the generic darcs fetching functions. # # Define the EDARCS_REPOSITORY variable at least. # The ${S} variable is set to ${WORKDIR}/${P}. # TODO: # support for tags inherit eutils # eshopts_{push,pop} # Don't download anything other than the darcs repository SRC_URI="" # You shouldn't change these settings yourself! The ebuild/eclass inheriting # this eclass will take care of that. # --- begin ebuild-configurable settings # darcs command to run # @ECLASS-VARIABLE: EDARCS_DARCS_CMD # @DESCRIPTION: # Path to darcs binary. : ${EDARCS_DARCS_CMD:=darcs} # darcs commands with command-specific options # @ECLASS-VARIABLE: EDARCS_GET_CMD # @DESCRIPTION: # First fetch darcs command. : ${EDARCS_GET_CMD:=get --lazy} # @ECLASS-VARIABLE: EDARCS_UPDATE_CMD # @DESCRIPTION: # Repo update darcs command. : ${EDARCS_UPDATE_CMD:=pull} # @ECLASS-VARIABLE: EDARCS_OPTIONS # @DESCRIPTION: # Options to pass to both the "get" and "update" commands : ${EDARCS_OPTIONS:=--set-scripts-executable} # @ECLASS-VARIABLE: EDARCS_TOP_DIR # @DESCRIPTION: # Where the darcs repositories are stored/accessed : ${EDARCS_TOP_DIR:=${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src} # @ECLASS-VARIABLE: EDARCS_REPOSITORY # @DESCRIPTION: # The URI to the repository. : ${EDARCS_REPOSITORY:=} # @ECLASS-VARIABLE: EDARCS_OFFLINE # @DESCRIPTION: # Set this variable to a non-empty value to disable the automatic updating of # a darcs repository. This is intended to be set outside the darcs source # tree by users. Defaults to EVCS_OFFLINE value. : ${EDARCS_OFFLINE:=${EVCS_OFFLINE}} # @ECLASS-VARIABLE: EDARCS_CLEAN # @DESCRIPTION: # Set this to something to get a clean copy when updating # (removes the working directory, then uses EDARCS_GET_CMD to # re-download it.) : ${EDARCS_CLEAN:=} # --- end ebuild-configurable settings --- DEPEND="dev-vcs/darcs net-misc/rsync" # @FUNCTION: darcs_patchcount # @DESCRIPTION: # Internal function to determine amount of patches in repository. darcs_patchcount() { set -- $(HOME="${EDARCS_TOP_DIR}" ${EDARCS_DARCS_CMD} show repo --repodir="${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}" | grep "Num Patches") # handle string like: " Num Patches: 3860" echo ${3} } # @FUNCTION: darcs_fetch # @DESCRIPTION: # Internal function is called from darcs_src_unpack darcs_fetch() { # The local directory to store the repository (useful to ensure a # unique local name); relative to EDARCS_TOP_DIR [[ -z ${EDARCS_LOCALREPO} ]] && [[ -n ${EDARCS_REPOSITORY} ]] \ && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \ && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/} debug-print-function ${FUNCNAME} $* if [[ -n ${EDARCS_CLEAN} ]]; then addwrite "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}" rm -rf "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}" fi # create the top dir if needed if [[ ! -d ${EDARCS_TOP_DIR} ]]; then # note that the addwrite statements in this block are only there to allow creating EDARCS_TOP_DIR; # we've already allowed writing inside it # this is because it's simpler than trying to find out the parent path of the directory, which # would need to be the real path and not a symlink for things to work (so we can't just remove # the last path element in the string) debug-print "${FUNCNAME}: checkout mode. creating darcs directory" addwrite /foobar addwrite / mkdir -p "${EDARCS_TOP_DIR}" export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}" fi # in case EDARCS_DARCS_DIR is a symlink to a dir, get the real # dir's path, otherwise addwrite() doesn't work. pushd . || die cd -P "${EDARCS_TOP_DIR}" > /dev/null EDARCS_TOP_DIR="`/bin/pwd`" # disable the sandbox for this dir addwrite "${EDARCS_TOP_DIR}" # determine checkout or update mode and change to the right directory. if [[ ! -d "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}/_darcs" ]]; then mode=get cd "${EDARCS_TOP_DIR}" else mode=update cd "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}" fi # commands to run local cmdget="${EDARCS_DARCS_CMD} ${EDARCS_GET_CMD} ${EDARCS_OPTIONS} --repo-name=${EDARCS_LOCALREPO} ${EDARCS_REPOSITORY}" local cmdupdate="${EDARCS_DARCS_CMD} ${EDARCS_UPDATE_CMD} --all ${EDARCS_OPTIONS} ${EDARCS_REPOSITORY}" if [[ ${mode} == "get" ]]; then einfo "Running ${cmdget}" HOME="${EDARCS_TOP_DIR}" ${cmdget} || die "darcs get command failed" elif [[ -n ${EDARCS_OFFLINE} ]] ; then einfo "Offline update" elif [[ ${mode} == "update" ]]; then einfo "Running ${cmdupdate}" HOME="${EDARCS_TOP_DIR}" ${cmdupdate} || die "darcs update command failed" fi export EDARCS_PATCHCOUNT=$(darcs_patchcount) einfo " patches in repo: ${EDARCS_PATCHCOUNT}" popd || die } # @FUNCTION: darcs_src_unpack # @DESCRIPTION: # src_upack function darcs_src_unpack() { # The local directory to store the repository (useful to ensure a # unique local name); relative to EDARCS_TOP_DIR [[ -z ${EDARCS_LOCALREPO} ]] && [[ -n ${EDARCS_REPOSITORY} ]] \ && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \ && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/} debug-print-function ${FUNCNAME} $* debug-print "${FUNCNAME}: init: EDARCS_DARCS_CMD=${EDARCS_DARCS_CMD} EDARCS_GET_CMD=${EDARCS_GET_CMD} EDARCS_UPDATE_CMD=${EDARCS_UPDATE_CMD} EDARCS_OPTIONS=${EDARCS_OPTIONS} EDARCS_TOP_DIR=${EDARCS_TOP_DIR} EDARCS_REPOSITORY=${EDARCS_REPOSITORY} EDARCS_LOCALREPO=${EDARCS_LOCALREPO} EDARCS_CLEAN=${EDARCS_CLEAN}" einfo "Fetching darcs repository ${EDARCS_REPOSITORY} into ${EDARCS_TOP_DIR}..." darcs_fetch einfo "Copying ${EDARCS_LOCALREPO} from ${EDARCS_TOP_DIR}..." debug-print "Copying ${EDARCS_LOCALREPO} from ${EDARCS_TOP_DIR}..." # probably redundant, but best to make sure # Use ${WORKDIR}/${P} rather than ${S} so user can point ${S} to something inside. mkdir -p "${WORKDIR}/${P}" eshopts_push -s dotglob # get any dotfiles too. rsync -rlpgo "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}"/* "${WORKDIR}/${P}" eshopts_pop einfo "Darcs repository contents are now in ${WORKDIR}/${P}" } EXPORT_FUNCTIONS src_unpack