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# pro-archman
# lib/db.sh
# Functions for querying and modifying the database
#
# 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
#
# Functions for the suites indices
#
db_get_srcver()
{
local chan="${1}"
local dist="${2}"
local source="${3}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}"
if [ -f "${dir}/srcver" ]; then
cat "${dir}/srcver"
fi
return 0
}
db_set_srcver()
{
local chan="${1}"
local dist="${2}"
local source="${3}"
local srcver="${4}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}"
mkdir -p "${dir}"
printf '%s\n' "${srcver}" >"${dir}/srcver"
return 0
}
db_del_srcver()
{
local chan="${1}"
local dist="${2}"
local source="${3}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}"
rm -f "${dir}/srcver"
# Remove ".../.db/<hash>/<source>".
rmdir "${dir}"
# Try to remove ".../.db/<hash>" and ".../.db".
for dir in "${dir%/*}" "${dir%/*/*}"; do
try_rmdir "${dir}" || break
done
return 0
}
db_get_binver()
{
local chan="${1}"
local dist="${2}"
local plat="${3}"
local arch="${4}"
local source="${5}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}/${plat}_${arch}"
if [ -f "${dir}/binver" ]; then
cat "${dir}/binver"
fi
return 0
}
db_set_binver()
{
local chan="${1}"
local dist="${2}"
local plat="${3}"
local arch="${4}"
local source="${5}"
local binver="${6}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}/${plat}_${arch}"
mkdir -p "${dir}"
printf '%s\n' "${binver}" >"${dir}/binver"
return 0
}
db_del_binver()
{
local chan="${1}"
local dist="${2}"
local plat="${3}"
local arch="${4}"
local source="${5}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}/${plat}_${arch}"
rm -f "${dir}/binver"
# Remove ".../.db/<hash>/<source>/<plat>_<arch>".
rmdir "${dir}"
return 0
}
db_get_archplats()
{
local chan="${1}"
local dist="${2}"
local source="${3}"
local dir=
dir="${archive}/feeds/${chan}/${dist}/.db"
dir="${dir}/$(hash_name "${source}")/${source}"
for dir in "${dir}/"*_*/; do
dir="${dir%/}"
dir="${dir##*/}"
printf '%s %s\n' "${dir%%_*}" "${dir#*_}"
done
return 0
}
#
# Functions for the pool indices
#
db_get_packages()
{
local plat="${1}"
local arch="${2}"
local source="${3}"
local binver="${4}"
local dir=
dir="${archive}/pool/$(hash_name "${source}")/${source}/.db"
dir="${dir}/${binver}_${arch}_${plat}"
if [ -f "${dir}/packages" ]; then
cat "${dir}/packages"
fi
return 0
}
db_add_package()
{
local plat="${1}"
local arch="${2}"
local source="${3}"
local binver="${4}"
local sect="${5}"
local pkg="${6}"
local dir=
dir="${archive}/pool/$(hash_name "${source}")/${source}/.db"
dir="${dir}/${binver}_${arch}_${plat}"
printf '%s %s\n' "${sect}" "${pkg}" >>"${dir}/packages"
return 0
}
db_del_packages()
{
local plat="${1}"
local arch="${2}"
local source="${3}"
local binver="${4}"
local dir=
dir="${archive}/pool/$(hash_name "${source}")/${source}/.db"
dir="${dir}/${binver}_${arch}_${plat}"
rm -f "${dir}/packages"
# Remove "pool/<hash>/<source>/.db/<binver>_<arch>_<plat>".
rmdir "${dir}"
# Try to remove "pool/<hash>/<source>/.db".
try_rmdir "${dir%/*}"
return 0
}
db_inc_references()
{
local plat="${1}"
local arch="${2}"
local source="${3}"
local binver="${4}"
local dir=
local refs=
dir="${archive}/pool/$(hash_name "${source}")/${source}/.db"
dir="${dir}/${binver}_${arch}_${plat}"
refs="$(cat "${dir}/references")"
refs=$(($refs + 1))
printf '%d\n' "${refs}" >"${dir}/references"
printf '%d\n' "${refs}"
return 0
}
db_dec_references()
{
local plat="${1}"
local arch="${2}"
local source="${3}"
local binver="${4}"
local dir=
local refs=
dir="${archive}/pool/$(hash_name "${source}")/${source}/.db"
dir="${dir}/${binver}_${arch}_${plat}"
refs="$(cat "${dir}/references")"
refs=$(($refs - 1))
if [ ${refs} -eq 0 ]; then
rm -f "${dir}/references"
else
printf '%d\n' "${refs}" >"${dir}/references"
fi
printf '%d\n' "${refs}"
return 0
}
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