diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2018-08-29 20:19:23 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2018-08-29 20:19:23 +0100 |
commit | 12bb627384ddfd47382b9f1b6464481a58d01ebb (patch) | |
tree | f9760c04ccd4fcd7de214e2acd5b0e43fb530aa9 /app-eselect/eselect-unison/files | |
parent | 5fdd950c7ae03e12746a45c86d85861beaacc846 (diff) |
gentoo resync : 29.08.2018
Diffstat (limited to 'app-eselect/eselect-unison/files')
-rw-r--r-- | app-eselect/eselect-unison/files/unison.eselect-0.4 | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/app-eselect/eselect-unison/files/unison.eselect-0.4 b/app-eselect/eselect-unison/files/unison.eselect-0.4 new file mode 100644 index 000000000000..b65381985bcb --- /dev/null +++ b/app-eselect/eselect-unison/files/unison.eselect-0.4 @@ -0,0 +1,156 @@ +# -*-eselect-*- vim: ft=eselect +# Copyright 1999-2018 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +DESCRIPTION="Manage /usr/bin/unison versions" +MAINTAINER="ml@gentoo.org" +VERSION="0.4" + +# 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-}" +} + +function is_link_or_empty() { + if [[ ! -e "$1" ]] || [[ -L "$1" ]]; then + return 0 + else + return 1 + fi +} + +# set the unison symlink +set_symlinks() { + local target="${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 + ln -sf "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 + # If unison-fsmonitor isn't a symlink, it means that we still have a + # unison version (<2.48-r1) that doesn't properly slot that binary. + # Don't mess with it if that's the case. + if is_link_or_empty "${EROOT}/usr/bin/unison-fsmonitor" ; then + # not a regular file. safe to symlink. + ln -sf "unison-fsmonitor-${target}" \ + "${EROOT}/usr/bin/unison-fsmonitor" \ + || die "Could not set ${target} /usr/bin/unison-fsmonitor symlink" + fi +} + +### show action ### + +describe_show() { + echo "Show the current unison version" +} + +do_show() { + [[ -z "${@}" ]] || 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 "${EROOT}/usr/bin/unison" ]] ; then + if ! set_symlinks "${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" ]] && [[ ${1} == "--if-unset" ]]; then + return + fi + if ! is_link_or_empty "${EROOT}/usr/bin/unison" ; then + die -q "${EROOT}/usr/bin/unison seems to be from an old ebuild, please remove manually" + elif [[ -z $(find_targets ) ]] ; then + rm -f "${EROOT}/usr/bin/unison" + rm -f "${EROOT}/usr/bin/unison-fsmonitor" + else + set_symlinks 1 || die -q "Can't set a new version" + fi +} |