epm-play-common

#!/bin/sh
#
# Copyright (C) 2015, 2017, 2019, 2020, 2022  Etersoft
# Copyright (C) 2015, 2017, 2019, 2020, 2022  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/>.
#


__run_script()
{
    local script="$psdir/$1.sh"
    [ -s "$script" ] || return
    [ -f "$script.rpmnew" ] && warning 'There is .rpmnew file(s) in $psdir dir. The play script can be outdated.'

    shift
    [ "$PROGDIR" = "/usr/bin" ] && SCPATH="$PATH" || SCPATH="$PROGDIR:$PATH"
    ( unset EPMCURDIR ; export PATH=$SCPATH ; $script "$@" )
    return
}


__list_all_app()
{
    cd $psdir || fatal
    for i in *.sh ; do
       local name=${i/.sh/}
       [ -n "$IGNOREi586" ] && startwith "$name" "i586-" && continue
       startwith "$name" "common" && continue
       echo "$name"
    done
    cd - >/dev/null
}


# args: script, host arch
__get_app_description()
{
    __run_script "$1" --description "$2" 2>/dev/null
}

__check_play_script()
{
    local script="$psdir/$1.sh"
    shift

    [ -s "$script" ]
}


__epm_play_run_script()
{
    local script="$1"
    shift

    local addopt
    addopt="$dryrun $non_interactive"

    local bashopt=''
    [ -n "$debug" ] && bashopt='-x'
    #info "Running $($script --description 2>/dev/null) ..."
    [ "$PROGDIR" = "/usr/bin" ] && SCPATH="$PATH" || SCPATH="$PROGDIR:$PATH"
    ( export EPM_OPTIONS="$EPM_OPTIONS $addopt" export PATH=$SCPATH ; docmd $CMDSHELL $bashopt $script "$@" )
}

__epm_play_run()
{
    local script="$psdir/$1.sh"
    shift
    __epm_play_run_script "$script" "$@"
}

__epm_is_shell_script()
{
    local script="$1"
    [ -x "$script" ] && rhas "$script" "\.sh$" && head -n1 "$script" | grep -q "^#!/bin/sh"
}


__epm_play_remove()
{
    local prescription
    for prescription in $* ; do
        if __epm_is_shell_script "$prescription"  ; then
            __epm_play_run_script $prescription --remove
            continue
        fi
        if __check_play_script "$prescription" ; then
            __epm_play_run $prescription --remove
            __remove_installed_app "$prescription"
        else
            psdir=$prsdir
            __check_play_script "$prescription" || fatal 'We have no idea how to remove $prescription (checked in $psdir and $prsdir)'
            __epm_play_run "$prescription" --remove || fatal "There was some error during run the script."
        fi
    done
}


__epm_play_list()
{
    local psdir="$1"
    local extra="$2"
    local i
    local IGNOREi586
    local arch="$SYSTEMARCH"
    [ "$arch" = "x86_64" ] && IGNOREi586='' || IGNOREi586=1

    if [ -n "$short" ] ; then
        for i in $(__list_all_app) ; do
            local desc="$(__get_app_description $i $arch)"
            [ -n "$desc" ] || continue
            echo "$i"
            if [ -n "$extra" ] ; then
                for j in $(__run_script "$i" "--product-alternatives") ; do
                    echo "  $i=$j"
                done
            fi
        done
        exit
    fi

    for i in $(__list_all_app) ; do
        local desc="$(__get_app_description $i $arch)"
        [ -n "$desc" ] || continue
        [ -n "$quiet" ] || echo -n "  "
        printf "%-20s - %s\n" "$i" "$desc"
        if [ -n "$extra" ] ; then
            for j in $(__run_script "$i" "--product-alternatives") ; do
                printf "  %-20s - %s\n" "$i=$j" "$desc"
            done
        fi
    done
}