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# pro-archman
# lib/index.sh
# Functions for working with package feed indices
#
# Copyright (C) 2013 Patrick "P. J." McDermott
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
use dir
feed_add_package()
{
local chan="${1}"
local dist="${2}"
local plat="${3}"
local arch="${4}"
local sect="${5}"
local pkg="${6}"
local size="${7}"
local file="${8}"
local pkg_hash=
local feed_hash_idx=
local old_dir=
pkg_hash="$(hash_name "${pkg}")"
# Add package metadata to feed hash index.
feed_hash_idx="${opt_base_dir}/feeds/${chan}/${dist}/${plat}/${arch}"
feed_hash_idx="${feed_hash_idx}/${sect}/.db/${pkg_hash}"
mkdir -p "${feed_hash_idx}/info"
tar -xzOf "${opt_base_dir}/${file}" 'control.tar.gz' | \
tar -xzO './control' >"${feed_hash_idx}/info/${pkg}.control"
printf 'Filename: %s\nSize: %s\nMD5sum: %s\n\n' \
"../../../../../../${file}" "${size}" \
"$(md5sum "${opt_base_dir}/${file}" | sed 's/ .*$//')" \
>>"${feed_hash_idx}/info/${pkg}.control"
# Mark feed index fragment as outdated.
old_dir="${opt_base_dir}/feeds/.db/${chan}_${dist}/${plat}_${arch}"
old_dir="${old_dir}/${sect}"
mkdir -p "${old_dir}"
>"${old_dir}/${pkg_hash}"
return 0
}
feed_remove_package()
{
local chan="${1}"
local dist="${2}"
local plat="${3}"
local arch="${4}"
local sect="${5}"
local pkg="${6}"
local pkg_hash=
local feed_hash_idx=
local old_dir=
pkg_hash="$(hash_name "${pkg}")"
# Remove package metadata from feed hash index.
feed_hash_idx="${opt_base_dir}/feeds/${chan}/${dist}/${plat}/${arch}"
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# Mark feed index fragment as outdated.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="${opt_base_dir}/feeds/.db/${chan}_${dist}/${plat}_${arch}"
old_dir="${old_dir}/${sect}"
mkdir -p "${old_dir}"
>"${old_dir}/${pkg_hash}"
return 0
}
update_feeds()
{
local script=
local suite_dirent=
local archplat_dirent=
local sect_dirent=
local feed=
local hash_dirent=
local idx=
script='s|^.*//*\(..*\)_\(..*\)//*\(..*\)_\(..*\)//*\(..*\)/$'
script="${script}|${opt_base_dir}/feeds/"'\1/\2/\3/\4/\5|'
# For each suite:
for suite_dirent in "${opt_base_dir}/feeds/.db/"*_*/; do
if [ ! -d "${suite_dirent}" ]; then
continue
fi
# For each archplat:
for archplat_dirent in "${suite_dirent}/"*_*/; do
if [ ! -d "${archplat_dirent}" ]; then
continue
fi
# For each section:
for sect_dirent in "${archplat_dirent}/"*/; do
if [ ! -d "${sect_dirent}" ]; then
continue
fi
# Get the feed path from the index path.
feed="$(printf '%s\n' "${sect_dirent}" | \
sed "${script}")"
# For each package name hash:
for hash_dirent in "${sect_dirent}/"*; do
if [ ! -f "${hash_dirent}" ]; then
continue
fi
idx="${feed}/.db/${hash_dirent##*/}"
# Ensure there are still packages here.
if [ -d "${idx}/info" ]; then
cat "${idx}/info/"*.control \
>"${idx}/Packages"
else
rm -f "${idx}/Packages"
try_rmdir "${idx}"
fi
rm -f "${hash_dirent}"
done
# Ensure there are still packages here.
if ! try_rmdir "${feed}/.db"; then
cat "${feed}/.db/"*/Packages \
>"${feed}/Packages~"
mv "${feed}/Packages~" \
"${feed}/Packages"
else
>"${feed}/Packages"
fi
rmdir "${sect_dirent}"
done
rmdir "${archplat_dirent}"
done
rmdir "${suite_dirent}"
done
return 0
}
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