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Gentoo's Bugzilla – Attachment 199627 Details for
Bug 214817
New eselect module for /bin/sh
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eselect module with fixes
sh.eselect (text/plain), 3.39 KB, created by
Michał Górny
on 2009-07-30 09:48:44 UTC
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Description:
eselect module with fixes
Filename:
MIME Type:
Creator:
Michał Górny
Created:
2009-07-30 09:48:44 UTC
Size:
3.39 KB
patch
obsolete
># Copyright 1999-2005 Gentoo Foundation ># Distributed under the terms of the GNU General Public License v2 ># $Id: $ > >DESCRIPTION="Manage /bin/sh implementations" >#MAINTAINER="" >SVN_DATE='$Date: $' >VERSION=$(svn_date_to_version "${SVN_DATE}" ) > >## Functions ## > ># find a list of sh symlink targets, best first >find_targets() { > local f > for f in \ > "${ROOT}"/bin/bash \ > "${ROOT}"/bin/dash \ > "${ROOT}"/bin/zsh \ > ; do > if [[ -x "${f}" ]] ; then > echo $(basename "${f}" ) > fi > done >} > ># try to remove the sh symlink >remove_symlinks() { > rm -f "${ROOT}"/bin/sh &>/dev/null >} > > ># set the sh symlink >set_symlinks() { > local target="${1}" targets > if is_number "${target}" && [[ ${target} -ge 1 ]] ; then > targets=( $(find_targets ) ) > target=${targets[$(( ${target} - 1 ))]} > fi > > #local dir > #if [[ ${target} == "busybox" ]]; then > # dir="${ROOT}/bin" > #else > # dir="${ROOT}/usr/bin" > #fi > > if [[ -x "${ROOT}/bin/${target}" ]] ; then > remove_symlinks > > ln -s "${target}" "${ROOT}/bin/sh" || \ > die "Couldn't set ${target} /bin/sh symlink" > else > die -q "Target \"${1}\" doesn't appear to be valid!" > fi >} > >### show action ### > >describe_show() { > echo "Show the current sh implementation" >} > >do_show() { > [[ -z "${@}" ]] || die -q "Too many parameters" > > write_list_start "Current sh implementation:" > if [[ -L "${ROOT}/bin/sh" ]] ; then > write_kv_list_entry "$(basename $(canonicalise ${ROOT}/bin/sh ) )" "" > elif [[ -e "${ROOT}/bin/sh" ]] ; then > write_kv_list_entry "(not a symlink)" "" > else > write_kv_list_entry "(unset)" "" > fi >} > >### list action ### > >describe_list() { > echo "List available sh implementations" >} > >do_list() { > [[ -z "${@}" ]] || die -q "Too many parameters" > > local i targets > targets=( $(find_targets ) ) > if [[ -n ${targets[@]} ]] ; then > for (( i = 0 ; i < ${#targets[@]} ; i = i + 1 )) ; do > [[ ${targets[${i}]} == $(basename $(canonicalise ${ROOT}/bin/sh ) ) ]] && \ > targets[${i}]="${targets[${i}]} $(highlight '*' )" > done > write_list_start "Available sh implementations:" > write_numbered_list "${targets[@]}" > else > write_kv_list_entry "(none found)" "" > fi >} > >### set action ### > >describe_set() { > echo "Set a new sh implementation provider" >} > >describe_set_options() { > echo "target : Target name or number (from 'list' action)" >} > >describe_set_parameters() { > echo "<target>" >} > >do_set() { > if [[ -z "${1}" ]] ; then > die -q "You didn't give me a provider name" > > elif [[ -n "${2}" ]] ; then > die -q "Too many parameters" > > elif [[ -L "${ROOT}/bin/sh" ]] ; then > if ! remove_symlinks ; then > die -q "Can't remove existing provider" > elif ! set_symlinks "${1}" ; then > die -q "Can't set new provider" > fi > > elif [[ -e "${ROOT}/bin/sh" ]] ; then > die -q "Sorry, ${ROOT}/bin/sh confuses me" > > else > set_symlinks "${1}" || die -q "Can't set a new provider" > fi >} > >### update action ### > >describe_update() { > echo "Automatically update the sh provider" >} > >describe_update_options() { > echo "--if-unset : Do not override existing implementation" >} > >do_update() { > [[ -z "${1}" ]] || ( [[ -z "${2}" ]] && [[ "${1}" == "--if-unset" ]] ) || \ > die -q "Usage error" > > if [[ -L "${ROOT}/bin/sh" ]] ; then > [[ ${1} == "--if-unset" ]] && return > remove_symlinks || die -q "Can't remove existing link" > fi > if [[ -e "${ROOT}/bin/sh" ]] ; then > die -q "Can't set a new provider" > elif ! [[ -z $(find_targets ) ]] ; then > set_symlinks 1 || die -q "Can't set a new provider" > fi >} > ># vim: set ft=eselect :
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bug 214817
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176757
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176759
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199627
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199629
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203348
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204658