mirror of
https://github.com/tuna/tunasync.git
synced 2025-04-21 04:42:46 +00:00
85 lines
2.4 KiB
Bash
85 lines
2.4 KiB
Bash
#!/bin/bash
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set -e
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LOADED_APT_DOWNLOAD="yes"
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function check-and-download() {
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remote_file=$1
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local_file=$2
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wget -q --spider ${remote_file}
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if [ $? -eq 0 ]; then
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echo "downloading ${remote_file}"
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wget -q -N -O ${local_file} ${remote_file}
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return
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fi
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return 0
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}
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function apt-download-binary() {
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base_url=$1
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dist=$2
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repo=$3
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arch=$4
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dest_base_dir=$5
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dest_dir="${dest_base_dir}/dists/${dist}"
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[ ! -d "$dest_dir" ] && mkdir -p "$dest_dir"
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check-and-download "${base_url}/dists/${dist}/Contents-${arch}.gz" "${dest_dir}/Contents-${arch}.gz" || true
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check-and-download "${base_url}/dists/${dist}/InRelease" "${dest_dir}/InRelease" || true
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check-and-download "${base_url}/dists/${dist}/Release" "${dest_dir}/Release"
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check-and-download "${base_url}/dists/${dist}/Release.gpg" "${dest_dir}/Release.gpg" || true
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dest_dir="${dest_base_dir}/dists/${dist}/${repo}/binary-${arch}"
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[ ! -d "$dest_dir" ] && mkdir -p "$dest_dir"
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pkgidxes=('Packages' 'Packages.gz' 'Packages.bz2' 'Packages.xz')
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pkgidx_content=""
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for pkgidx in ${pkgidxes[@]}; do
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pkgidx_file="${dest_dir}/${pkgidx}"
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pkglist_url="${base_url}/dists/${dist}/${repo}/binary-${arch}/${pkgidx}"
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check-and-download "${pkglist_url}" ${pkgidx_file} || true
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if [ -z "${pkgidx_content}" -a -f ${pkgidx_file} ]; then
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echo "getting packages index content"
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case $pkgidx in
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"*.bz2")
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pkgidx_content=`bunzip2 -c ${pkgidx_file}`
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;;
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"*.gz")
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pkgidx_content=`gunzip -c ${pkgidx_file}`
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;;
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*)
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pkgidx_content=`cat ${pkgidx_file}`
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;;
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esac
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fi
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done
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if [ -z "${pkgidx_content}" ]; then
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echo "index is empty, failed"
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return 1
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fi
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(echo -e "${pkgidx_content}" | grep -e '^Filename' -e '^Size' -e '^MD5sum' | cut -d' ' -f 2) | \
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while read pkg_filename; read pkg_size; read pkg_md5; do
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dest_filename="${dest_base_dir}/${pkg_filename}"
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dest_dir=`dirname ${dest_filename}`
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[ ! -d "$dest_dir" ] && mkdir -p "$dest_dir"
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pkg_url="${base_url}/${pkg_filename}"
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let downloaded="false"
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if [ -f ${dest_filename} ]; then
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rsize=`stat -c "%s" ${dest_filename}`
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if [ ${rsize} -eq ${pkg_size} ]; then
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downloaded="true"
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echo "Skipping ${pkg_filename}, size ${pkg_size}"
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fi
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fi
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while [ $downloaded != "true" ]; do
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echo "downloading ${pkg_url}"
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wget -q -O ${dest_filename} ${pkg_url} && {
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echo "${pkg_md5} ${dest_filename}" | md5sum -c - && downloaded=true # two space for md5sum check format
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}
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done
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done
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}
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