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#!/bin/sh
#
# Copyright (C) 2013-2016 Etersoft
# Copyright (C) 2013-2016 Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
__check_command_in_path()
{
PATH=$PATH:/sbin:/usr/sbin which "$1" 2>/dev/null
}
# copied from strings
# CHECKME: the same like estrlist has ?
# Note: used egrep! write '[0-9]+(first|two)', not '[0-9]\+...'
rhas()
{
echo "$1" | egrep -q -- "$2"
}
# copied from strings
is_dirpath()
{
[ "$1" = "." ] && return $?
rhas "$1" "/"
}
__epm_need_update()
{
local PACKAGE="$1"
local PACKAGEVERSION="$2"
[ -n "$PACKAGEVERSION" ] || return 0
load_helper epm-query
is_installed "$PACKAGE" || return 0
load_helper epm-print
# epm print version for package N
local INSTALLEDVERSION=$(query_package_field "version" "$PACKAGE")
# if needed >= installed, return 0
[ "$(compare_version "$PACKAGEVERSION" "$INSTALLEDVERSION")" -gt 0 ] && return 0
return 1
}
__epm_assure_checking()
{
local CMD="$1"
local PACKAGE="$2"
local PACKAGEVERSION="$3"
[ -n "$PACKAGEVERSION" ] && return 1
if is_dirpath "$CMD" ; then
if [ -e "$CMD" ] ; then
if [ -n "$verbose" ] ; then
info "File or directory $CMD is already exists."
epm qf "$CMD"
fi
return 0
fi
[ -n "$PACKAGE" ] || fatal "You need run with package name param when use with absolute path"
return 1
fi
if __check_command_in_path "$CMD" >/dev/null ; then
if [ -n "$verbose" ] ; then
local compath="$(__check_command_in_path "$1")"
info "Command $CMD is exists: $compath"
epm qf "$compath"
fi
return 0
fi
return 1
}
# Do fast checking for command and install package if the command does not exist
# $1 - command name
# $2 - [package name]
# $3 - [needed package version]
__epm_assure()
{
local CMD="$1"
local PACKAGE="$2"
local PACKAGEVERSION="$3"
[ -n "$PACKAGE" ] || PACKAGE="$1"
__epm_assure_checking $CMD $PACKAGE $PACKAGEVERSION && return 0
info "Installing appropriate package for $CMD command..."
__epm_need_update $PACKAGE $PACKAGEVERSION || return 0
docmd epm --auto install $PACKAGE || return
[ -n "$PACKAGEVERSION" ] || return 0
# check if we couldn't update and still need update
__epm_need_update $PACKAGE $PACKAGEVERSION && return 1
return 0
}
epm_assure()
{
[ -n "$pkg_filenames" ] || fatal "Assure: Missing params. Check $0 --help for info."
# use helper func for extract separate params
__epm_assure $(eval echo $quoted_args)
}