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|
#!/bin/sh
# delete obsolete binary packages
# 1] Condition for deleting a package A is that:
# a) nothing on the build-list (make|check|)depends on A and
# b) no built package B which is not being deleted depends on A
# "Package x depends on package y" means, that something needed by x
# is provided by y and no other package which will not be deleted.
# shellcheck disable=SC2039
# shellcheck source=conf/default.conf
. "${0%/*}/../conf/default.conf"
# TODO: finish this
# shellcheck disable=SC2016
usage() {
>&2 echo ''
>&2 echo 'delete-packages [options]:'
>&2 echo ' delete obsolete binary packages.'
>&2 echo ''
>&2 echo 'possible options:'
>&2 echo ' -b|--block: If necessary, wait for lock blocking.'
>&2 echo ' -h|--help: Show this help and exit.'
>&2 echo ' -n|--no-action: Only print what would be deleted.'
[ -z "$1" ] && exit 1 || exit "$1"
}
eval set -- "$(
getopt -o bhn \
--long block \
--long help \
--long no-action \
-n "$(basename "$0")" -- "$@" || \
echo usage
)"
block_flag='-n'
no_action=false
while true
do
case "$1" in
-b|--block)
block_flag=''
;;
-h|--help)
usage 0
;;
-n|--no-action)
no_action=true
;;
--)
shift
break
;;
*)
>&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
exit 42
;;
esac
shift
done
if [ -s "${work_dir}/build-master-sanity" ]; then
>&2 echo 'Build master is not sane.'
exit
fi
# Create a lock file and a trap.
if ! ${no_action}; then
# exec 9> "${build_list_lock_file}"
# if ! flock ${block_flag} 9; then
# >&2 echo 'come back (shortly) later - I cannot lock build list.'
# exit 0
# fi
exec 8> "${package_database_lock_file}"
if ! flock ${block_flag} 8; then
>&2 echo 'come back (shortly) later - I cannot lock package database.'
exit 0
fi
exec 7> "${sanity_check_lock_file}"
if ! flock -s ${block_flag} 7; then
>&2 echo 'come back (shortly) later - sanity-check running.'
exit 0
fi
fi
tmp_dir=$(mktemp -d "${work_dir}/tmp.delete-packages.XXXXXXXXXX")
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
# shellcheck disable=SC2016
{
printf 'CREATE TEMPORARY TABLE `to_deletes` (`id` BIGINT, UNIQUE KEY (`id`));\n'
printf 'INSERT IGNORE INTO `to_deletes`'
printf ' SELECT `binary_packages`.`id`'
printf ' FROM `binary_packages`'
mysql_join_binary_packages_dependencies
mysql_join_dependencies_dependency_types
printf ' AND `dependency_types`.`relevant_for_binary_packages`'
mysql_join_binary_packages_repositories
printf ' AND `repositories`.`is_on_master_mirror`'
printf ' WHERE `binary_packages`.`is_to_be_deleted`'
printf ' AND NOT EXISTS ('
printf 'SELECT * FROM `install_target_providers`'
printf ' WHERE `install_target_providers`.`install_target`=`dependencies`.`depending_on`'
printf ');\n'
printf ' SELECT DISTINCT "repo",`repositories`.`name`'
printf ' FROM `to_deletes`'
printf ' JOIN `binary_packages` ON `to_deletes`.`id`=`binary_packages`.`id`'
mysql_join_binary_packages_repositories
printf ';\n'
printf ' SELECT "package",`repositories`.`name`,`binary_packages`.`pkgname`'
printf ' FROM `to_deletes`'
printf ' JOIN `binary_packages` ON `to_deletes`.`id`=`binary_packages`.`id`'
mysql_join_binary_packages_repositories
printf ';\n'
printf ' SELECT "package-id",`to_deletes`.`id`'
printf ' FROM `to_deletes`'
printf ';\n'
} | \
mysql_run_query | \
sed '
y/\t/ /
/^repo /{
s/^\S\+ //
w '"${tmp_dir}"'/repositories
d
}
/^package /{
s/^\S\+ //
w '"${tmp_dir}"'/packages
d
}
/^package-id /{
s/^\S\+ //
w '"${tmp_dir}"'/package-ids
d
}
'
if [ ! -s "${tmp_dir}/packages" ]; then
printf 'Nothing to delete.\n'
exit
fi
if ${no_action}; then
printf 'I would delete the following packages:\n'
sed '
y, ,/,
s/^/ /
' "${tmp_dir}/packages"
printf 'From these repositories:\n'
sed '
s/^/ /
' "${tmp_dir}/repositories"
exit
fi
mkdir "${tmp_dir}/repos"
while read -r repo; do
${master_mirror_rsync_command} \
"${master_mirror_rsync_directory}/i686/${repo}/${repo}.db.tar.gz" \
"${master_mirror_rsync_directory}/i686/${repo}/${repo}.files.tar.gz" \
"${tmp_dir}/repos/"
# shellcheck disable=SC2046
repo-remove "${tmp_dir}/repos/${repo}.db.tar.gz" \
$(
grep "^$(str_to_regex "${repo}") " "${tmp_dir}/packages" | \
cut -d' ' -f2
)
${master_mirror_rsync_command} \
"${tmp_dir}/repos/${repo}.db.tar.gz" \
"${tmp_dir}/repos/${repo}.files.tar.gz" \
"${master_mirror_rsync_directory}/i686/${repo}/"
done < \
"${tmp_dir}/repositories"
# shellcheck disable=SC2016
{
printf 'CREATE TEMPORARY TABLE `to_deletes` (`id` BIGINT, UNIQUE KEY (`id`));\n'
printf 'LOAD DATA LOCAL INFILE "%s" INTO TABLE `to_deletes`;\n' \
"${tmp_dir}/package-ids"
printf 'DELETE `binary_packages` FROM `binary_packages` '
printf ' JOIN `to_deletes` ON `to_deletes`.`id`=`binary_packages`.`id`'
mysql_join_binary_packages_repositories
mysql_join_binary_packages_architectures
printf ';\n'
} | \
mysql_run_query
tr ' ' '/' < \
"${tmp_dir}/packages" | \
sed '
p
s/$/.sig/
' | \
sed '
s,^,rm "i686/,
s,$,",
' | \
${master_mirror_sftp_command}
|