| # -*-eselect-*- vim: ft=eselect |
| # Copyright 1999-2010 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Id: ecj-0.5.eselect,v 1.2 2010/02/28 19:24:35 ulm Exp $ |
| |
| DESCRIPTION="Manage ECJ targets" |
| MAINTAINER="java@gentoo.org" |
| VERSION="0.5" |
| |
| ECJ="${EROOT}/usr/bin/ecj" |
| |
| # find a list of ecj symlink targets, best first. |
| find_targets() { |
| for f in $(ls -r "${ECJ}"-[0-9]* 2> /dev/null) ; do |
| if [[ -f "${f}" ]] ; then |
| echo $(basename "${f}") |
| fi |
| done |
| } |
| |
| # get a named or numbered target. |
| find_target() { |
| local target=${1} |
| |
| if is_number "${target}" && [[ ${target} -ge 1 ]] ; then |
| targets=( $(find_targets ) ) |
| [[ -z "${targets}" ]] && die -q "No targets found!" |
| target=${targets[target-1]} |
| fi |
| |
| if [[ "${target}" = ecj-[0-9]* ]] && [[ -f "${EROOT}/usr/bin/${target}" ]] ; then |
| echo ${target} |
| else |
| die -q "Target \"${1}\" doesn't appear to be valid!" |
| fi |
| } |
| |
| # try to remove the ecj symlink. |
| remove_symlink() { |
| rm "${ECJ}" &>/dev/null |
| } |
| |
| # determine the current target. |
| get_target() { |
| local canonicalised=$(canonicalise "${ECJ}") |
| echo $(basename "${canonicalised}") |
| } |
| |
| # set the ecj symlink. |
| set_symlink() { |
| local target=$(find_target "${1}") |
| remove_symlink |
| ln -s "${target}" "${ECJ}" || die "Couldn't set ${target} symlink." |
| } |
| |
| ### show action ### |
| |
| describe_show() { |
| echo "Show current ECJ target" |
| } |
| |
| do_show() { |
| if [[ ${#} -gt 0 ]]; then |
| die -q "No parameters allowed." |
| fi |
| |
| if [[ -L "${ECJ}" ]] ; then |
| get_target |
| return 0 |
| elif [[ -e "${ECJ}" ]] ; then |
| echo "(not a symlink)" >&2 |
| return 1 |
| else |
| echo "(unset)" >&2 |
| return 1 |
| fi |
| } |
| |
| ### list action ### |
| |
| describe_list() { |
| echo "List available ECJ targets" |
| } |
| |
| do_list() { |
| if [[ ${#} -gt 0 ]]; then |
| die -q "Usage error: no parameters allowed." |
| fi |
| |
| local i targets |
| targets=( $(find_targets) ) |
| |
| for (( i = 0; i < ${#targets[@]}; i++ )); do |
| [[ ${targets[i]} = $(basename "$(canonicalise "${ECJ}")") ]] \ |
| && targets[i]=$(highlight_marker "${targets[i]}") |
| done |
| |
| write_list_start "Available ECJ targets:" |
| write_numbered_list -m "(none found)" "${targets[@]}" |
| } |
| |
| ### set action ### |
| |
| describe_set() { |
| echo "Set a new ECJ target" |
| } |
| |
| describe_set_options() { |
| echo "target : Target name or number (from 'list' action)" |
| } |
| |
| describe_set_parameters() { |
| echo "<target>" |
| } |
| |
| do_set() { |
| if [[ $# -gt 1 ]]; then |
| die -q "Too many parameters. Expected only one." |
| fi |
| |
| local target=${1} |
| |
| if [[ -z "${target}" ]] ; then |
| die -q "You didn't give me a target name or number." |
| elif [[ -L "${ECJ}" ]] ; then |
| if ! remove_symlink ; then |
| die -q "Can't remove existing ecj provider." |
| elif ! set_symlink "${1}" ; then |
| die -q "Can't set new ecj provider." |
| fi |
| elif [[ -e "${ECJ}" ]] ; then |
| write_warning_msg "Can't set a new ecj provider. There's a file in the way at ${ECJ}. You can try removing it manually, and then re-running this command." |
| else |
| set_symlink "${target}" || die -q "Wasn't able to set a new provider." |
| fi |
| } |
| |
| ### update action ### |
| |
| describe_update() { |
| echo "Set the ECJ target to the latest if the current target is invalid or if the given target is the latest" |
| } |
| |
| describe_update_options() { |
| echo "target (optional) : Target name (from 'list' action)" |
| } |
| |
| describe_update_parameters() { |
| echo "<target>" |
| } |
| |
| do_update() { |
| if [[ $# -gt 1 ]] ; then |
| die -q "Too many parameters. Expected only one." |
| fi |
| |
| # For pkg_postrm |
| if [[ ! $(find_targets) ]]; then |
| remove_symlink |
| return |
| fi |
| |
| local canonicalised=$(canonicalise "${ECJ}") |
| |
| if [[ ! -L "${ECJ}" ]] || [[ ! -f "${canonicalised}" ]] ; then |
| do_set 1 |
| elif [[ -n "${1}" ]] ; then |
| # Check whether target name is valid. |
| find_target "${1}" > /dev/null |
| |
| if [[ "${1}" == "$(find_target 1)" ]] ; then |
| do_set 1 |
| fi |
| fi |
| } |