* [gentoo-commits] gentoo-x86 commit in app-admin/eselect-mpost/files: mpost.eselect-0.1
@ 2008-09-09 16:46 Alexis Ballier (aballier)
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From: Alexis Ballier (aballier) @ 2008-09-09 16:46 UTC (permalink / raw
To: gentoo-commits
aballier 08/09/09 16:46:31
Added: mpost.eselect-0.1
Log:
Initial import: manages /usr/bin/mpost symlinks to allow easy usage of mplib's mpost.
(Portage version: 2.2_rc8/cvs/Linux 2.6.26.3 x86_64)
Revision Changes Path
1.1 app-admin/eselect-mpost/files/mpost.eselect-0.1
file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-admin/eselect-mpost/files/mpost.eselect-0.1?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-admin/eselect-mpost/files/mpost.eselect-0.1?rev=1.1&content-type=text/plain
Index: mpost.eselect-0.1
===================================================================
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id: mpost.eselect-0.1,v 1.1 2008/09/09 16:46:31 aballier Exp $
DESCRIPTION="Manage /usr/bin/mpost implementations"
MAINTAINER="ml@gentoo.org"
SVN_DATE='$Date: 2008/09/09 16:46:31 $'
VERSION=$(svn_date_to_version "${SVN_DATE}" )
# find a list of mpost symlink targets, best first
find_targets() {
local f
for f in "${ROOT}"/usr/bin/mpost-*; do
if [[ -f ${f} ]] ; then
echo "${f##*/mpost-}"
fi
done | sort
}
# find version number of currently symlinked version
identify_target() {
local f
f="$(canonicalise "${ROOT}"/usr/bin/mpost)"
echo "${f##*/mpost-}"
}
# try to remove the mpost symlink
remove_symlinks() {
rm -f "${ROOT}"/usr/bin/mpost &>/dev/null
}
# set the mpost symlink
set_symlinks() {
local target="${1}" targets
if is_number "${target}" && [[ ${target} -ge 1 ]] ; then
targets=( $(find_targets ) )
target=${targets[$(( ${target} - 1 ))]}
fi
if [[ -f "${ROOT}/usr/bin/mpost-${target}" ]] ; then
remove_symlinks
ln -s "mpost-${target}" "${ROOT}/usr/bin/mpost" || \
die "Could not set ${target} /usr/bin/mpost symlink"
echo "Updating TeX formats"
[ -z "${ROOT}" ] && fmtutil-sys --all &>/dev/null || write_warning_msg "Could not update TeX formats for some reason, mpost may not work properly."
else
die -q "Target \"${target}\" doesn't appear to be valid!"
fi
}
### show action ###
describe_show() {
echo "Show the current mpost version"
}
do_show() {
[[ -z "${@}" ]] || die -q "Too many parameters"
write_list_start "Current mpost verson:"
if [[ -L "${ROOT}/usr/bin/mpost" ]] ; then
write_kv_list_entry "$(identify_target)" ""
elif [[ -e "${ROOT}/usr/bin/mpost" ]] ; then
write_kv_list_entry "(not a symlink)" ""
else
write_kv_list_entry "(unset)" ""
fi
}
### list action ###
describe_list() {
echo "List available mpost versions"
}
do_list() {
[[ -z "${@}" ]] || die -q "Too many parameters"
local i targets current
targets=( $(find_targets ) )
current=$(identify_target)
if [[ -n ${targets[@]} ]] ; then
for (( i = 0 ; i < ${#targets[@]} ; i = i + 1 )) ; do
[[ ${targets[${i}]} == ${current} ]] && \
targets[${i}]="${targets[${i}]} $(highlight '*' )"
done
write_list_start "Available mpost versions:"
write_numbered_list "${targets[@]}"
else
write_kv_list_entry "(none found)" ""
fi
}
### set action ###
describe_set() {
echo "Set a new mpost 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 "${ROOT}/usr/bin/mpost" ]] ; then
if ! remove_symlinks ; then
die -q "Can't remove existing version symlink"
elif ! set_symlinks "${1}" ; then
die -q "Can't set new version"
fi
elif [[ -e "${ROOT}/usr/bin/mpost" ]] ; then
die -q "${ROOT}/usr/bin/mpost seems to be from an old ebuild, please remove manually"
else
set_symlinks "${1}" || die -q "Can't set new version"
fi
}
### update action ###
describe_update() {
echo "Automatically update the mpost version number"
}
describe_update_options() {
echo "--if-unset : Do not override currently selected version"
}
do_update() {
[[ -z "${1}" ]] || ( [[ -z "${2}" ]] && [[ "${1}" == "--if-unset" ]] ) || \
die -q "Usage error"
if [[ -L "${ROOT}/usr/bin/mpost" ]] ; then
[[ ${1} == "--if-unset" ]] && return
remove_symlinks || die -q "Can't remove existing symlink"
fi
if [[ -e "${ROOT}/usr/bin/mpost" ]] ; then
die -q "${ROOT}/usr/bin/mpost 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
}
# vim: set ft=eselect :
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2008-09-09 16:46 [gentoo-commits] gentoo-x86 commit in app-admin/eselect-mpost/files: mpost.eselect-0.1 Alexis Ballier (aballier)
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