151 lines
3.3 KiB
Text
151 lines
3.3 KiB
Text
# -*-eselect-*- vim: ft=eselect
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# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id: ecj-0.7.eselect,v 1.1 2011/12/18 08:44:56 sera Exp $
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DESCRIPTION="Manage ECJ targets"
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MAINTAINER="java@gentoo.org"
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VERSION="0.7"
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ECJ="${EROOT}/usr/bin/ecj"
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ECJ_JAR="${EROOT}/usr/share/eclipse-ecj/ecj.jar"
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# find a list of ecj symlink targets, best first.
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find_targets() {
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for f in $(ls -r "${ECJ}"-[0-9]* "${ECJ}"-gcj-[0-9]* 2> /dev/null) ; do
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if [[ -f "${f}" ]] ; then
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echo $(basename "${f}")
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fi
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done
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}
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# get a named or numbered target.
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find_target() {
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local target=${1}
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if is_number "${target}" && [[ ${target} -ge 1 ]] ; then
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targets=( $(find_targets ) )
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[[ -z "${targets}" ]] && die -q "No targets found!"
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target=${targets[target-1]}
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fi
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if [[ "${target}" = ecj-[0-9]* || "${target}" = ecj-gcj-[0-9]* ]] \
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&& [[ -f "${EROOT}/usr/bin/${target}" ]] ; then
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echo ${target}
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else
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die -q "Target \"${1}\" doesn't appear to be valid!"
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fi
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}
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# determine the current target.
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get_target() {
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local canonicalised=$(canonicalise "${ECJ}")
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echo $(basename "${canonicalised}")
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}
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### show action ###
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describe_show() {
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echo "Show current ECJ target"
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}
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do_show() {
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if [[ ${#} -gt 0 ]]; then
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die -q "No parameters allowed."
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fi
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if [[ -L "${ECJ}" ]] ; then
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get_target
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return 0
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elif [[ -e "${ECJ}" ]] ; then
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echo "(not a symlink)" >&2
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return 1
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else
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echo "(unset)" >&2
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return 1
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fi
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}
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### list action ###
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describe_list() {
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echo "List available ECJ targets"
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}
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do_list() {
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if [[ ${#} -gt 0 ]]; then
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die -q "Usage error: no parameters allowed."
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fi
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local i targets
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targets=( $(find_targets) )
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for (( i = 0; i < ${#targets[@]}; i++ )); do
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[[ ${targets[i]} = $(basename "$(canonicalise "${ECJ}")") ]] \
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&& targets[i]=$(highlight_marker "${targets[i]}")
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done
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write_list_start "Available ECJ targets:"
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write_numbered_list -m "(none found)" "${targets[@]}"
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}
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### set action ###
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describe_set() {
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echo "Set a new ECJ target"
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}
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describe_set_options() {
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echo "target : Target name or number (from 'list' action)"
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}
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describe_set_parameters() {
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echo "<target>"
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}
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do_set() {
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[[ ${1} ]] || die -q "You didn't give me a target name or number."
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[[ ${2} ]] && die -q "Too many parameters. Expected only one."
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local target=$(find_target "${1}")
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rm -f "${ECJ}" "${ECJ_JAR}"
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ln -sf "${target}" "${ECJ}" || die "Couldn't set ${target} symlink."
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mkdir -p $(dirname ${ECJ_JAR})
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[[ "${target}" != ecj-gcj* ]] && target="eclipse-${target}"
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ln -sf "${EROOT}"/usr/share/${target}/lib/ecj.jar ${ECJ_JAR} \
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|| die -q "Wasn't able to set a new provider."
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}
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### update action ###
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describe_update() {
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echo "Set the ECJ target to the latest if the current target is invalid or if the given target is the latest"
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}
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describe_update_options() {
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echo "target (optional) : Target name (from 'list' action)"
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}
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describe_update_parameters() {
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echo "<target>"
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}
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do_update() {
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[[ ${1} ]] && find_target "${1}" >/dev/null
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[[ ${2} ]] && die -q "Too many parameters. Expected only one."
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if [[ ! -f "${ECJ}" ]] || [[ ! -f "${ECJ_JAR}" ]]; then
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local target="${1}"
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if [[ -z "${target}" ]]; then
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local all_targets=( $(find_targets) )
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target=${all_targets}
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fi
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if [[ ${target} ]]; then
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do_set ${target}
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else
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rm -f "${ECJ}" "${ECJ_JAR}"
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fi
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fi
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}
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