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# Copyright 2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/darcs.eclass,v 1.1 2006/05/22 23:05:24 kosmikus Exp $
#
# darcs eclass author: Andres Loeh <kosmikus@gentoo.org>
# tla eclass author: <rphillips@gentoo.org>
# Original Author: Jeffrey Yasskin <jyasskin@mail.utexas.edu>
#
# Originally derived from the tla eclass, which is derived from the
# cvs eclass.
#
# This eclass provides the generic darcs fetching functions.
# to use from an ebuild, set the 'ebuild-configurable settings' below in your
# ebuild before inheriting. then either leave the default src_unpack or extend
# over darcs_src_unpack.
# Most of the time, you will define only $EDARCS_REPOSITORY in your
# ebuild.
# TODO: support for tags, ...
# Don't download anything other than the darcs repository
SRC_URI=""
# You shouldn't change these settings yourself! The ebuild/eclass inheriting
# this eclass will take care of that.
# --- begin ebuild-configurable settings
# darcs command to run
[ -z "$EDARCS_DARCS_CMD" ] && EDARCS_DARCS_CMD="darcs"
# darcs commands with options
[ -z "$EDARCS_GET_CMD" ] && EDARCS_GET_CMD="get"
[ -z "$EDARCS_UPDATE_CMD" ] && EDARCS_UPDATE_CMD="pull"
# Where the darcs repositories are stored/accessed
[ -z "$EDARCS_TOP_DIR" ] && EDARCS_TOP_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src"
# The URI to the repository.
[ -z "$EDARCS_REPOSITORY" ] && EDARCS_REPOSITORY=""
# 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="`basename $EDARCS_REPOSITORY`"
# EDARCS_CLEAN: set this to something to get a clean copy when updating
# (removes the working directory, then uses $EDARCS_GET_CMD to
# re-download it.)
# --- end ebuild-configurable settings ---
# add darcs to deps
DEPEND="dev-util/darcs"
# is called from darcs_src_unpack
darcs_fetch() {
debug-print-function $FUNCNAME $*
if [ -n "$EDARCS_CLEAN" ]; then
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.
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} ${EDARCS_GET_CMD} --repo-name=${EDARCS_LOCALREPO} ${EDARCS_REPOSITORY}"
local cmdupdate="${EDARCS_DARCS_CMD} ${EDARCS_UPDATE_CMD} --all ${EDARCS_REPOSITORY}"
if [ "${mode}" == "get" ]; then
einfo "Running $cmdget"
eval $cmdget || die "darcs get command failed"
elif [ "${mode}" == "update" ]; then
einfo "Running $cmdupdate"
eval $cmdupdate || die "darcs update command failed"
fi
}
darcs_src_unpack() {
debug-print-function $FUNCNAME $*
debug-print "$FUNCNAME: init:
EDARCS_DARCS_CMD=$EDARCS_DARCS_CMD
EDARCS_GET_CMD=$EDARCS_GET_CMD
EDARCS_UPDATE_CMD=$EDARCS_UPDATE_CMD
EDARCS_TOP_DIR=$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}/${P}"
shopt -s dotglob # get any dotfiles too.
cp -Rf "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"/* "${WORKDIR}/${P}"
einfo "Darcs repository contents are now in ${WORKDIR}/${P}"
}
EXPORT_FUNCTIONS src_unpack
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