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#!/bin/bash -e
# This is a tool to automatically generate and ship client updates.
# It is entirely self-contained, storing its own state in the git repo.
# It is called by running 'make updates' in server-data.
# It also supports manually calls for maintenance work.
# TODO: make auto-mode work with music too.
# local branch to keep update info on
# will be created on first run; updated thereafter
branch=update-zips
# must already exist
# must NOT be a relative path
output=~/www/updates
function apply_function()
{
$1 misc-xml charcreation.xml ea-skills.xml effects.xml emotes.xml hair.xml paths.xml settings.xml skills.xml status-effects.xml units.xml
$1 emotes graphics/emotes/
$1 images graphics/images/
$1 items graphics/items/
$1 minimaps graphics/minimaps/
$1 particles graphics/particles/
$1 skills graphics/skills/
$1 sprites graphics/sprites/
$1 tiles graphics/tiles/
$1 item-xml items.xml
$1 map-xml maps.xml
$1 maps maps/
$1 mob-xml monsters.xml
$1 npc-xml npcs.xml
$1 sfx sfx/
$1 tsx tilesets/
}
function add_resource()
{
pushd $output >/dev/null
adler32 $1 | tee -a resources2.txt | {
read name hash
chmod a+r $name
sed '/<\/updates>/i <update type="data" file="'$name'" hash="'$hash'" />' -i resources.xml
}
popd >/dev/null
}
# TODO actually use this
function add_music()
{
adler32 $1 | {
read name hash
chmod a+r $name
sed '/<\/updates>/i <update type="music" required="no" file="'$name'" hash="'$hash'" />' -i resources.xml
}
}
function do_initial_zip()
{
zip=$1-$this_update.zip; shift
git ls-files --with-tree=HEAD -- "$@" \
| zip -q $output/$zip -@
add_resource $zip
}
function git_diff_tree()
{
git diff-tree -r --diff-filter=AM "$@"
}
function do_delta_zip()
{
zip=$1-$last_update..$this_update.zip; shift
if git_diff_tree --quiet $last_update $this_update -- "$@"
then
return
fi
git_diff_tree --name-only $last_update $this_update -- "$@" \
| zip -q $output/$zip -@
add_resource $zip
}
function do_initial_zips()
{
apply_function do_initial_zip
}
function do_delta_zips()
{
apply_function do_delta_zip
}
function main()
{
if ! test -d $output
then
echo 'Fatal error: output directory does not exist'
echo "$output"
return 1
fi
this_update=$(git rev-parse --short HEAD)
if ! last_update=$(git rev-parse --short $branch 2>/dev/null)
then
echo 'Doing initial updates'
do_initial_zips
elif test "$this_update" = "$last_update"
then
echo 'No commits since last update generation ...'
else
echo 'Doing incremental updates'
do_delta_zips
fi
git branch -f $branch
}
if test "$0" = "$BASH_SOURCE"
then
echo 'Generating updates automatically'
main
elif test "$0" = 'bash'
then
echo 'sourcing detected - you can do manual updates'
else
echo 'How did you get here?'
exit 3
fi
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