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#!/bin/sh
# save each listed package in a relevant directory, based on checksum
#
parse_line() {
[ "$#" = "6" ] && {
local repo=$1
local repo_url=$2
local package=$3
local checksum=$4
local size=$5
local files=$6
local package_name=$(basename $package ".xipkg")
local package_dir="$PACKAGES_DIR/$repo/$package_name.versions"
local checksum_file=$package_dir/$checksum
[ -d $package_dir ] || mkdir -p $package_dir
printf "$repo_url/$package $checksum $size $files\n" >> $checksum_file
}
}
list_source () {
local repo=$1
local src=$2
local url=$(echo $src | cut -d":" -f2-)
local name=$(echo $src | cut -d":" -f1)
local repo_url="${url}${repo}"
local full_url="${repo_url}/packages.list"
local tmp_file="${SYNC_CACHE}/$name.$repo"
${VERBOSE} && printf "${LIGHT_BLACK}Indexing $repo from $full_url\n"
local status=$(download_file $tmp_file $full_url)
if [ "$status" = "200" ] || [ "$status" = "000" ] && [ -f $tmp_file ]; then
while IFS= read -r line; do
parse_line $repo $repo_url $line
done < "$tmp_file"
else
return 1
fi
}
dep_graph () {
local src=$1
local url=$(echo $src | cut -d":" -f2-)
local name=$(echo $src | cut -d":" -f1)
local full_url="${url}deps.graph"
local tmp_file="${SYNC_CACHE}/$name.deps.graph"
[ -f $tmp_file ] && rm $tmp_file; touch $tmp_file
local status=$(download_file $tmp_file $full_url)
if [ "$status" = "200" ] || [ "$status" = "000" ]; then
while IFS= read -r line; do
local package=$(echo $line | cut -d: -f1)
local new=$(echo $line | cut -d: -f2-)
[ -z "${package}" ] &&
echo $new >> $DEP_DIR/$package
done < "$tmp_file"
fi
}
contest () {
local package_dir=$1
local popular=$(wc -l $package_dir/* | sort -n | head -1 | awk '{ print $2 }' )
local info_file=${package_dir%.versions}
mv $popular $info_file
rm -r $package_dir
}
popularity_contest () {
if [ "$(find $PACKAGES_DIR -type f | wc -l)" = "0" ]; then
printf "${RED}No packages found!\n";
return 1
fi
local list=$(ls -1 -d $PACKAGES_DIR/*/*)
local total=$(echo $list | wc -l)
local completed=0
for package_dir in $list; do
contest $package_dir &
completed=$((completed+1))
${QUIET} || hbar -T "${LARGE_CIRCLE} contesting packages..." $completed $total
done
${QUIET} || hbar -t ${HBAR_COMPLETE} -T "${CHECKMARK} contested packages" $completed $completed
}
index_deps () {
local l=$1
set -- ${SOURCES}
local total=$#
local completed=0
for src in ${SOURCES}; do
dep_graph $src
completed=$((completed+1))
${QUIET} || hbar -l $l -T "${LARGE_CIRCLE} indexing dependencies..." $completed $total
done
${QUIET} || hbar -l $l ${HBAR_COMPLETE} -T "${CHECKMARK} indexed dependencies" $completed $total
}
index_repo () {
local repo=$1 l=$2
set -- ${SOURCES}
local total=$#
local completed=0
for src in ${SOURCES}; do
list_source $repo $src
completed=$((completed+1))
${QUIET} || hbar -l $l -T "${LARGE_CIRCLE} syncing $repo..." $completed $total
done
${QUIET} || hbar -l $l ${HBAR_COMPLETE} -T "${CHECKMARK} synced $repo" $completed $total
}
sync () {
# prepare the file structure for the sync
mkdir -p ${SYNC_CACHE}
[ "$(ls -A $PACKAGES_DIR)" ] && rm -r $PACKAGES_DIR/*
rm -r $DEP_DIR
mkdir $DEP_DIR
${VERBOSE} && printf "${LIGHT_BLACK}Syncing\n"
# create padding spaces for each hbar
${QUIET} || for repo in ${REPOS}; do
hbar
done
# download package lists and dep graphs at the same time
index_deps 0 &
local i=1
for repo in ${REPOS}; do
mkdir -p ${PACKAGES_DIR}/$repo
index_repo $repo $i &
i=$((i+1))
done
# wait for all jobs to complete
wait
# determine which version of which package should be regarded
hbar
popularity_contest
}
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