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# pro-archman
# src/index.sh
# Functions for working with package feed indices
#
# Copyright (C) 2013 Patrick "P. J." McDermott
#
# This file is part of the ProteanOS Archive Manager.
#
# The ProteanOS Archive Manager is free software: you can redistribute
# it and/or modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# The ProteanOS Archive Manager is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the ProteanOS Archive Manager. If not, see
# <http://www.gnu.org/licenses/>.
feed_add_package()
{
local chan="${1}"
local dist="${2}"
local arch="${3}"
local plat="${4}"
local sect="${5}"
local pkg="${6}"
local size="${7}"
local file="${8}"
local pkg_hash=
local feed_hash_idx=
local old_dir=
info_v "$(get_msg 'feed_adding')" "${pkg}" \
"${chan}" "${dist}" "${arch}" "${plat}" "${sect}"
pkg_hash="$(hash_name "${pkg}")"
# Add package metadata to feed hash index.
feed_hash_idx="${base_dir}/feeds/${chan}/${dist}/${arch}/${plat}"
feed_hash_idx="${feed_hash_idx}/${sect}/.db/${pkg_hash}"
mkdir -p "${feed_hash_idx}/info"
tar -xzOf "${base_dir}/${file}" 'control.tar.gz' | \
tar -xzO './control' >"${feed_hash_idx}/info/${pkg}.control"
printf 'Filename: %s\nSize: %s\nMD5sum: %s\nSHA256sum: %s\n\n' \
"../../../../../../${file}" "${size}" \
"$("${MD5SUM}" "${base_dir}/${file}" | sed 's/ .*$//')" \
"$("${SHA256SUM}" "${base_dir}/${file}" | sed 's/ .*$//')" \
>>"${feed_hash_idx}/info/${pkg}.control"
# Mark feed index fragment as outdated.
old_dir="${base_dir}/feeds/.db/${chan}_${dist}/${arch}_${plat}"
old_dir="${old_dir}/${sect}"
mkdir -p "${old_dir}"
>"${old_dir}/${pkg_hash}"
return 0
}
feed_remove_package()
{
local chan="${1}"
local dist="${2}"
local arch="${3}"
local plat="${4}"
local sect="${5}"
local pkg="${6}"
local pkg_hash=
local feed_hash_idx=
local old_dir=
info_v "$(get_msg 'feed_removing')" "${pkg}" \
"${chan}" "${dist}" "${arch}" "${plat}" "${sect}"
pkg_hash="$(hash_name "${pkg}")"
# Remove package metadata from feed hash index.
feed_hash_idx="${base_dir}/feeds/${chan}/${dist}/${arch}/${plat}"
feed_hash_idx="${feed_hash_idx}/${sect}/.db/${pkg_hash}"
rm -f "${feed_hash_idx}/info/${pkg}.control"
try_rmdir "${feed_hash_idx}/info"
# Mark feed index fragment as outdated.
old_dir="${base_dir}/feeds/.db/${chan}_${dist}/${arch}_${plat}"
old_dir="${old_dir}/${sect}"
mkdir -p "${old_dir}"
>"${old_dir}/${pkg_hash}"
return 0
}
update_feeds()
{
local suite_dirent=
local chan=
local dist=
local suite=
local archplat_dirent=
local arch=
local plat=
local archplat=
local sect_dirent=
local sect=
local manifest_entry=
local hash_dirent=
local idx=
info_v "$(get_msg 'updating_feeds')"
# For each suite:
for suite_dirent in "${base_dir}/feeds/.db/"*_*/; do
if [ ! -d "${suite_dirent}" ]; then
continue
fi
chan="${suite_dirent%/}"
chan="${chan##*/}"
dist="${chan##*_}"
chan="${chan%_*}"
suite="${base_dir}/feeds/${chan}/${dist}"
exec 3>"${suite}/Manifest~"
# For each archplat:
for archplat_dirent in "${suite_dirent}/"*_*/; do
if [ ! -d "${archplat_dirent}" ]; then
continue
fi
arch="${archplat_dirent%/}"
arch="${arch##*/}"
plat="${arch##*_}"
arch="${arch%_*}"
archplat="${suite}/${arch}/${plat}"
# For each section:
for sect_dirent in "${archplat_dirent}/"*/; do
if [ ! -d "${sect_dirent}" ]; then
continue
fi
sect="${sect_dirent%/}"
sect="${sect##*/}"
info_v "$(get_msg 'updating_feed')" \
"${chan}" "${dist}" \
"${arch}" "${plat}" "${sect}"
manifest_entry="${arch}/${plat}/${sect}"
sect="${archplat}/${sect}"
# For each package name hash:
for hash_dirent in "${sect_dirent}/"*; do
if [ ! -f "${hash_dirent}" ]; then
continue
fi
idx="${sect}/.db/${hash_dirent##*/}"
# Ensure there are still packages here.
if [ -d "${idx}/info" ]; then
cat "${idx}/info/"*.control \
>"${idx}/Packages"
else
rm -f "${idx}/Packages"
rmdir "${idx}"
fi
rm -f "${hash_dirent}"
done
# Ensure there are still packages here.
if ! try_rmdir "${sect}/.db"; then
cat "${sect}/.db/"*/Packages \
>"${sect}/Packages~"
mv "${sect}/Packages~" \
"${sect}/Packages"
if ${conf_gzip}; then
"${GZIP}" -9c \
"${sect}/Packages" \
>"${sect}/Packages.gz"
fi
printf '%s\n' "${manifest_entry}" >&3
else
rm -f "${sect}/Packages" \
"${sect}/Packages.gz"
fi
rmdir "${sect_dirent}"
try_rmdir "${sect}"
done
rmdir "${archplat_dirent}"
try_rmdir "${archplat}"
try_rmdir "${archplat%/*}"
done
rmdir "${suite_dirent}"
exec 3>&-
if [ -s "${suite}/Manifest~" ]; then
mv "${suite}/Manifest~" "${suite}/Manifest"
else
rm -f "${suite}/Manifest~" "${suite}/Manifest"
rmdir "${suite}"
rmdir "${suite%/*}"
fi
done
return 0
}
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