diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2018-07-14 21:03:06 +0100 |
---|---|---|
committer | V3n3RiX <venerix@redcorelinux.org> | 2018-07-14 21:03:06 +0100 |
commit | 8376ef56580626e9c0f796d5b85b53a0a1c7d5f5 (patch) | |
tree | 7681bbd4e8b05407772df40a4bf04cbbc8afc3fa /app-eselect/eselect-unison/files | |
parent | 30a9caf154332f12ca60756e1b75d2f0e3e1822d (diff) |
gentoo resync : 14.07.2018
Diffstat (limited to 'app-eselect/eselect-unison/files')
-rw-r--r-- | app-eselect/eselect-unison/files/unison.eselect-0.3 | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/app-eselect/eselect-unison/files/unison.eselect-0.3 b/app-eselect/eselect-unison/files/unison.eselect-0.3 new file mode 100644 index 000000000000..263c0fa7bc80 --- /dev/null +++ b/app-eselect/eselect-unison/files/unison.eselect-0.3 @@ -0,0 +1,145 @@ +# -*-eselect-*- vim: ft=eselect +# Copyright 1999-2015 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +DESCRIPTION="Manage /usr/bin/unison versions" +MAINTAINER="ml@gentoo.org" +VERSION="0.3" + +# find a list of unison symlink targets, best first +find_targets() { + local f + for f in "${EROOT}"/usr/bin/unison-[0-9]*; do + if [[ -f ${f} ]] ; then + echo "${f##*/unison-}" + fi + done | tac +} + +# find version number of currently symlinked version +identify_target() { + local f + f="$(canonicalise "${EROOT}"/usr/bin/unison)" + echo "${f##*/unison-}" +} + +# try to remove the unison symlink +remove_symlinks() { + rm -f "${EROOT}"/usr/bin/unison &>/dev/null +} + +# set the unison symlink +set_symlinks() { + local target="${1}" targets + if is_number "${target}" && [[ ${target} -ge 1 ]] ; then + targets=( $(find_targets) ) + target=${targets[target - 1]} + fi + if [[ -f "${EROOT}/usr/bin/unison-${target}" ]] ; then + remove_symlinks + ln -s "unison-${target}" "${EROOT}/usr/bin/unison" || \ + die "Could not set ${target} /usr/bin/unison symlink" + else + die -q "Target \"${target}\" doesn't appear to be valid!" + fi +} + +### show action ### + +describe_show() { + echo "Show the current unison version" +} + +do_show() { + [[ -z "${@}" ]] || die -q "Too many parameters" + + write_list_start "Current unison verson:" + if [[ -L "${EROOT}/usr/bin/unison" ]] ; then + write_kv_list_entry "$(identify_target)" "" + elif [[ -e "${EROOT}/usr/bin/unison" ]] ; then + write_kv_list_entry "(not a symlink)" "" + else + write_kv_list_entry "(unset)" "" + fi +} + +### list action ### + +describe_list() { + echo "List available unison versions" +} + +do_list() { + [[ $# -eq 0 ]] || die -q "Too many parameters" + + local i targets current + targets=( $(find_targets ) ) + current=$(identify_target) + for (( i = 0; i < ${#targets[@]}; i++ )); do + [[ ${targets[i]} = ${current} ]] \ + && targets[i]=$(highlight_marker "${targets[i]}") + done + write_list_start "Available unison versions:" + write_numbered_list -m "(none found)" "${targets[@]}" +} + +### set action ### + +describe_set() { + echo "Set a new unison version" +} + +describe_set_options() { + echo "target : Target version number or index from 'list' action" +} + +describe_set_parameters() { + echo "<target>" +} + +do_set() { + if [[ -z "${1}" ]] ; then + die -q "You didn't give me a version number" + + elif [[ -n "${2}" ]] ; then + die -q "Too many parameters" + + elif [[ -L "${EROOT}/usr/bin/unison" ]] ; then + if ! remove_symlinks ; then + die -q "Can't remove existing version symlink" + elif ! set_symlinks "${1}" ; then + die -q "Can't set new version" + fi + + elif [[ -e "${EROOT}/usr/bin/unison" ]] ; then + die -q "${EROOT}/usr/bin/unison seems to be from an old ebuild, please remove manually" + + else + set_symlinks "${1}" || die -q "Can't set new version" + fi +} + +### update action ### + +describe_update() { + echo "Automatically update the unison version number" +} + +describe_update_options() { + echo "--if-unset : Do not override currently selected version" +} + +do_update() { + [[ -z "${1}" ]] || ( [[ -z "${2}" ]] && [[ "${1}" == "--if-unset" ]] ) || \ + die -q "Usage error" + + if [[ -L "${EROOT}/usr/bin/unison" ]] ; then + [[ ${1} == "--if-unset" ]] && return + remove_symlinks || die -q "Can't remove existing symlink" + fi + if [[ -e "${EROOT}/usr/bin/unison" ]] ; then + die -q "${EROOT}/usr/bin/unison seems to be from an old ebuild, please remove manually" + elif ! [[ -z $(find_targets ) ]] ; then + set_symlinks 1 || die -q "Can't set a new version" + fi +} |