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129#!/bin/bash

hangar[path]=$HOME/.fgfs/flightgear-fgaddon/Aircraft

hangar[name]=FGADDON
hangar[source]=sourceforge
hangar[type]=svn
hangar[url]=https://svn.code.sf.net/p/flightgear/fgaddon/trunk/Aircraft
hangar[active]=1

function getfromrepo () {
    svn cat ${hangar[url]}/$1
}

function on_exit () {
    rm -f $aircrafts $aircraft
}

function parse_repo_history () {
    function getaircraftinfo () { # $1 = aircraft
        svn list --xml --depth files ${hangar[url]}/$1 > $aircraft
        unset xmlgetnext_empty_tag
        while xmlgetnext; do
            if test "$TAG" = 'name' && test "${VALUE/%-set.xml}" != "$VALUE"; then
                add_setxml_for_aircraft $1 ${VALUE/%-set.xml}
            fi
        done < $aircraft
    }

    aircrafts=$temppath/Aircraft-$tempid
    aircraft=$temppath/aircraft-$tempid

    if test $latest_revision -eq 1; then
        echo getting repository list
        if ! svn list --xml --depth immediates ${hangar[url]} > $aircrafts; then
            echo "error while retrieving list"
            exit
        fi
        total=$(grep -c '<entry' $aircrafts)
        is_ac=0
    else
        if test ${latest_revision:-0} -gt $(svn info --show-item revision ${hangar[url]}); then
            echo "already latest revisison"
            return
        fi
        echo "downloading history from revision ${latest_revision:-0}"
        if ! svn log --revision ${latest_revision:-0}:HEAD --xml --verbose ${hangar[url]} > $aircrafts; then
            echo "error while retrieving history"
            exit
        fi
        total=$(grep -c '<logentry' $aircrafts)
    fi

    progress=0

    echo parsing repository

    unset xmlgetnext_empty_tag
    while xmlgetnext; do

        if test $latest_revision -eq 1; then
            if test "$TAG" = 'entry kind="dir"'; then
                is_ac=1
                continue
            elif test $is_ac -eq 0 -a "$TAG" != '/list'; then
                continue
            fi
        else
            if test "${TAG%% *}" = 'logentry'; then
                is_ac=1
            elif test ${is_ac:-0} -eq 0 -a "$TAG" != '/log'; then
                continue
            fi
        fi

        case "$TAG" in
            'name')
                add_record name $VALUE
            ;;
            'logentry revision='*|'commit revision='*)
                add_record revision ${TAG#*=}
            ;;
            'author')
                add_record author ${VALUE//\'/\'\'}
            ;;
            'date')
                add_record date $(date +%s -d "$VALUE")
            ;;
            'path '*)
                TAG=${TAG#* }
                TAG=${TAG// /;}
                TAG=${TAG//-/_}
                eval $(echo ${TAG// /;})
                path=(${VALUE//\// })
                if test $kind = 'dir' -a ${#path[@]} -eq 3 -a $action = 'D'; then
                    sqlite_request "delete from setxml
                                    where variantof in (
                                        select id from aircrafts
                                        where name = '${path[2]}'
                                        and hangar = ${hangar[id]}
                                    )"
                    sqlite_request "delete from aircrafts
                                    where name = '${path[2]}'
                                    and hangar = ${hangar[id]}"
                    is_ac=0
                    continue
                fi
                is_ac=1
                add_record name ${path[2]}
            ;;
            '/logentry'|'/entry')
                getaircraftinfo $(get_record name)
                add_aircraft
                newprogress=$((++entry * 100 / $total))
                if test $(( $newprogress - $progress )) -ge ${progress_granularity:-1}; then
                    progress=$newprogress
                    printf "\r%d%% (%d)" $progress $(sqlite_request 'select count(name) from recover_aircrafts')
                fi
                is_ac=0
            ;;
            '/list'|'/log')
                printf "\r\033[K"
                apply_revision
                break
            ;;
        esac
    done < $aircrafts
}