1 contributor
#!/bin/bash
fgaddon_url=https://sourceforge.net/p/flightgear/fgaddon/HEAD/tree/trunk/Aircraft
fgaddon_svn=https://svn.code.sf.net/p/flightgear/fgaddon/trunk/Aircraft
fgaddon_path=$HOME/.fgfs/flightgear-addons/Aircraft
attribute_regex='s/^.*id="l[0-9]+" class="code_block">.*<span class="nt"><__attribute__><.span>(.+)<span class="nt"><.__attribute__><.span>.*$/\1/p'
aircrafts=$(mktemp --dry-run /dev/shm/Aircraft-XXXXXXXXX)
aircraft=$(mktemp --dry-run /dev/shm/aircraft-XXXXXXX)
setxml=$(mktemp --dry-run /dev/shm/setxml-XXXXXXXX)
in_ram_database=$(mktemp --dry-run /dev/shm/XXXXXXX)
database=${DB:-$0.db}
attributes=(description long_description author flight_model)
function get_attribute () {
eval "unset $1"
result=$(sed -rn "${attribute_regex//__attribute__/${1//_/-}}" $setxml)
eval "$1=\$\"$result\""
}
function sqlite_request () {
sqlite3 "$in_ram_database" <<< "$1"
}
function trap_exit () {
if test -r "$database" && md5sum $in_ram_database | sed "s,$in_ram_database,$database," | md5sum --status -c -; then
rm -f $in_ram_database
elif test -w "$database"; then
mv -f $in_ram_database "$database"
elif ! test -e "$database"; then
mv $in_ram_database "$database"
else
rm -f $in_ram_database
fi
rm -f $aircrafts $aircraft $setxml
}
update_database () {
let progress++
echo "[ ${progress}${total:+/$total} ] $ac"
dbupdate=$(sqlite_request "select date from aircrafts where name is '$ac'")
if test -z "$dbupdate"; then
sqlite_request "insert into aircrafts (name, date) values ('$ac', $update)"
elif test $dbupdate -ne $update; then
sqlite_request "update aircrafts set date = $update where name is '$ac'"
fi
id=$(sqlite_request "select id from aircrafts where name is '$ac'")
wget -qO- $fgaddon_url/$ac > $aircraft
for sx in $(sed -rn 's/<a class="icon" href="(.+-set.xml)" title=".+"><i class="fa fa-file-o">.+$/\1/p' $aircraft); do
echo " -> ${sx/-set.xml}"
wget -qO- $fgaddon_url/$ac/$sx > $setxml
for attribute in ${attributes[@]}; do
get_attribute $attribute
done
test -e $fgaddon_path/$ac/$sx
installed=$?
if test -n "$description" -a -z "$flight_model"; then
grep -qi 'jsbsim' <<< "$description" && flight_model='jsb'
grep -qi 'yasim' <<< "$description" && flight_model='yasim'
fi
known=$(sqlite_request "select variantof from setxml where file is '$sx'")
if test -n "$known"; then
for attribute in ${attributes[@]}; do
dbvalue=$(sqlite_request "select $attribute from setxml where file is '$sx'")
eval "wgvalue=\$$attribute"
if test "$dbvalue" != "$wgvalue"; then
sqlite_request "update setxml set $attribute = '$wgvalue' where file is '$sx'"
fi
done
else
sqlite_request "insert into setxml values ('$sx', $id, '$description', '$long_description', '$author', '$type', '$flight_model', $installed)"
fi
done
}
trap trap_exit EXIT
test -e $database && cp $database $in_ram_database
sqlite_request "create table if not exists aircrafts (id integer primary key, name text, date integer)"
sqlite_request "create table if not exists setxml (file text, variantof integer, description text, long_description text, author text, type text, flight_model text, installed integer)"
test -z "$1" && echo "mode RSS"
case ${1:-rss} in
'full')
echo "downloading the FGADDON list"
wget -qO- $fgaddon_url > $aircrafts
total=$(grep -c '<a class="icon" href=".*class="fa fa-folder".*i> ' $aircrafts)
for ac in $(sed -rn 's/^\s*<a class="icon" href="(.+)" title=.* class="fa fa-folder".+$/\1/p' $aircrafts); do
update=$(grep -A3 '<a class="icon" href=".*class="fa fa-folder".*i> '$ac'<' $aircrafts | sed -rn '$s/^\s*<span title="(.+)">.*$/\1/p')
update=$(date +%s -d"$update")
update_database
done
;;
'rss')
xmlgetnext () {
local IFS='>'
read -d '<' TAG VALUE
}
get_updates_from_rss () {
wget -qO- https://sourceforge.net/p/flightgear/fgaddon/feed | while xmlgetnext; do
case "$TAG" in
'lastBuildDate')
if test ${latest_update:-0} -ge $(date +%s -d "$VALUE"); then
echo "no new updates"
exit
fi
;;
'item')
unset link pubDate revision title file;;
'link')
link="$VALUE";;
'title')
title="$VALUE";;
'guid isPermaLink="false"')
revision=$(sed -r 's,^.+/([0-9]+)/$,\1,' <<< $VALUE);;
'pubDate')
pubDate=$(date +%s -d "$VALUE");;
'/item')
echo "checking $revision ($(date +"%d %B" -d@$pubDate)): $title" >&2
wget -qO- "$link" > $aircrafts
for file in $(egrep '/trunk/Aircraft/.*/.*-set.xml$' $aircrafts); do
file=${file/\/trunk\/Aircraft\/}
echo ${file%/*}
echo $pubDate
done
;;
'/channel')
if test ${latest_update:-0} -lt $pubDate; then
echo "WARNING: $(( ($pubDate - ${latest_update:-0}) / 86400 )) days between the oldest RSS entry and last DB entry" >&2
echo "a $0 full may be useful" >&2
fi
;;
esac
done
}
latest_update=$(sqlite_request "select max(date) from aircrafts")
ac_list=($(get_updates_from_rss))
total=$(( ${#ac_list[@]} / 2 ))
for ((i=0; i < ${#ac_list[@]}; i=i+2)); do
ac=${ac_list[i]}
update=${ac_list[ac+1]}
update_database
done
;;
*)
echo "usage: [DB=path/to/database] $0 [rss|full]"
echo
echo "rss: updates only last repo changes"
echo "full: updates from all repo"
;;
esac