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| #!/bin/bash -efu | |
| . shell-error | |
| . shell-temp | |
| get_apt_config() | |
| { | |
| local get_eval get_name get_value | |
| get_name="$1" | |
| shift || return 1 | |
| get_value="$1" | |
| shift || return 1 | |
| get_eval="$(apt-config shell "$get_value" "$get_name" </dev/null)" || return 1 | |
| eval "$get_eval" | |
| } | |
| create_temporary workdir | |
| get_apt_config Dir::Cache::archives/d apt_archives | |
| apt_archives="${apt_archives%/}" | |
| apt-get install -qq --print-uris "$@" > "$workdir/pkgs" | |
| total_size=0 | |
| while read -r s; do | |
| csum="${s##* }"; s="${s% *}" | |
| size="${s##* }"; s="${s% *}" | |
| name="${s##* }"; s="${s% *}" | |
| url="${s#\'}"; url="${url%\'}" | |
| printf -v fname '%b' "${url//%/\\x}" | |
| fname="${fname##*/}" | |
| algo=md5 | |
| if [ -z "${csum##*:*}" ]; then | |
| algo="${csum%%:*}" | |
| algo="${algo,,}" | |
| csum="${csum##*:}" | |
| fi | |
| case "$algo" in | |
| md5|sha1|sha256) | |
| ;; | |
| *) | |
| fatal "unknown checksum algorithm: $algo" | |
| ;; | |
| esac | |
| printf '%s\n' "$url" >> "$workdir/uris" | |
| printf '%s %s\n' "$csum" "$fname" >> "$workdir/checksum.$algo" | |
| printf '%s %s\n' "$fname" "$name" >> "$workdir/meta" | |
| total_size=$(( $total_size + $size )) | |
| done < "$workdir/pkgs" | |
| if [ -s "$workdir/uris" ]; then | |
| if [ -t 1 ]; then | |
| printf 'Need to get %s of archives.\n' "$(numfmt --to=iec $total_size)" | |
| read -p 'Do you want to continue? [Y/n] ' ans | |
| ans="${ans:-y}" | |
| if [ "${ans,,}" != "y" ]; then | |
| printf 'Abort.\n' | |
| exit | |
| fi | |
| fi | |
| mkdir -p -- "$apt_archives/downloads" | |
| pushd "$apt_archives" | |
| aria2c \ | |
| --download-result=hide \ | |
| --max-concurrent-downloads=5 \ | |
| --dir="downloads" \ | |
| --input-file="$workdir/uris" \ | |
| # | |
| pushd "downloads" | |
| for checksum in $(set +f && printf '%s ' "$workdir"/checksum.*); do | |
| "${checksum##*.}sum" --quiet -c "$checksum" | |
| done | |
| while read -r fname name; do | |
| mv -f -- "$fname" ".." | |
| done < "$workdir/meta" | |
| popd > /dev/null | |
| popd > /dev/null | |
| fi | |
| apt-get install -y "$@" |
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