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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,SC2119,SC2120
# shellcheck source=../lib/load-configuration
. "${0%/*}/../lib/load-configuration"
# 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|--build-support $package-list:'
>&2 echo ' Only delete the given packages from [build-support].'
>&2 echo ' $package-list contains one package per line of'
>&2 echo ' the form "$repo_arch $pkgfile".'
>&2 echo ' conflicts -f; only accepted once'
>&2 echo ' -f|--force $package:'
>&2 echo ' Only delete the selected packages (given by'
>&2 echo ' $repo_arch/$repo/$pkgname) - but delete'
>&2 echo ' in any case. conflicts -b'
>&2 echo ' -h|--help:'
>&2 echo ' Show this help and exit.'
>&2 echo ' -i|--ignore-insanity:'
>&2 echo ' Do not abort when insane.'
>&2 echo ' -n|--no-action:'
>&2 echo ' Only print what would be deleted.'
>&2 echo ' -w|--wait:'
>&2 echo ' If necessary, wait for lock blocking.'
[ -z "$1" ] && exit 1 || exit "$1"
}
eval set -- "$(
getopt -o b:f:hinw \
--long build-support: \
--long force: \
--long help \
--long ignore-insanity \
--long no-action \
--long wait \
-n "$(basename "$0")" -- "$@" || \
echo usage
)"
block_flag='-n'
build_support=''
force_packages=''
ignore_insanity=false
no_action_option=''
while true
do
case "$1" in
-b|--build-support)
if [ -n "${build_support}" ]; then
>&2 printf 'Option given multiple times: %s\n' "$1"
usage
fi
shift
build_support="$1"
;;
-f|--force)
shift
force_packages="${force_packages} $1"
;;
-h|--help)
usage 0
;;
-i|--ignore-insanity)
ignore_insanity=true
;;
-n|--no-action)
no_action_option='-n'
;;
-w|--wait)
block_flag=''
;;
--)
shift
break
;;
*)
>&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
exit 42
;;
esac
shift
done
if [ -n "${build_support}" ] && \
[ -n "${force_packages}" ]; then
>&2 echo 'Conflicting flags: -b & -f.'
usage
fi
if [ -s "${work_dir}/build-master-sanity" ]; then
>&2 echo 'Build master is not sane.'
if ! ${ignore_insanity}; then
exit
fi
fi
# Create a lock file and a trap.
if [ -z "${no_action_option}" ]; then
# exec 9> "${build_list_lock_file}"
# if ! verbose_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}"
# shellcheck disable=SC2086
if ! verbose_flock ${block_flag} 8; then
>&2 echo 'come back (shortly) later - I cannot lock package database.'
exit 0
fi
# shellcheck disable=SC2086
if intentions_left ${block_flag}; then
>&2 echo 'come back (shortly) later - There are still intentions in the queue.'
exit 0
fi
exec 7> "${sanity_check_lock_file}"
# shellcheck disable=SC2086
if ! verbose_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
export TMPDIR="${tmp_dir}"
# shellcheck disable=SC2016
{
printf 'CREATE TEMPORARY TABLE `bpir_to_delete` (`id` BIGINT, UNIQUE KEY (`id`));\n'
printf 'INSERT IGNORE INTO `bpir_to_delete`'
if [ -n "${force_packages}" ]; then
printf ' SELECT'
printf ' `binary_packages_in_repositories`.`id`'
printf ' FROM `binary_packages_in_repositories`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
mysql_join_repositories_architectures
printf ' WHERE CONCAT('
printf '`architectures`.`name`,"/",'
printf '`repositories`.`name`,"/",'
printf '`binary_packages`.`pkgname`'
printf ') IN ('
# shellcheck disable=SC2086
printf '%s\n' ${force_packages} | \
base64_encode_each | \
sed '
s/^/(from_base64("/
s/$/")),/
$ s/,$/);/
'
elif [ -n "${build_support}" ]; then
printf ' SELECT DISTINCT `binary_packages_in_repositories`.`id`'
printf ' FROM `binary_packages_in_repositories`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
mysql_join_binary_packages_architectures
printf ' LEFT'
mysql_join_binary_packages_compressions
mysql_join_repositories_architectures '' 'r_a'
printf ' WHERE `repositories`.`name`="build-support"'
printf ' AND CONCAT(`r_a`.`name`," ",'
mysql_package_name_query
printf ') IN ('
base64_encode_each < "${build_support}" | \
sed '
s/^/from_base64("/
s/$/"),/
$ s/,$/);/
'
else
printf ' SELECT DISTINCT `binary_packages_in_repositories`.`id`'
printf ' FROM `binary_packages_in_repositories`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
printf ' LEFT' # should not be necessary, but is formally more correct
mysql_join_binary_packages_install_target_providers
printf ' WHERE `binary_packages_in_repositories`.`is_to_be_deleted`'
printf ' AND `repositories`.`is_on_master_mirror`'
printf ' AND NOT EXISTS ('
# no packages depending on that one exist
printf 'SELECT 1'
printf ' FROM `dependencies`'
mysql_join_dependencies_dependency_types
printf ' AND `dependency_types`.`relevant_for_binary_packages`'
mysql_join_dependencies_binary_packages '' 'd_bp'
mysql_join_binary_packages_binary_packages_in_repositories 'd_bp' 'd_bpir'
# deliberately break dependencies of deletion-list packages
printf ' AND NOT `d_bpir`.`is_to_be_deleted`'
mysql_join_binary_packages_in_repositories_repositories 'd_bpir' 'd_r'
# this is deliberately less restrict than `d_r`.`is_on_master_mirror`
# shellcheck disable=SC2154
printf ' AND `d_r`.`stability` NOT IN (%s,%s)' \
"${repository_stability_ids__forbidden}" \
"${repository_stability_ids__virtual}"
printf ' WHERE `install_target_providers`.`install_target`=`dependencies`.`depending_on`'
printf ' AND `d_r`.`architecture`=`repositories`.`architecture`'
printf ' AND NOT EXISTS ('
printf 'SELECT 1'
printf ' FROM `binary_packages` AS `s_bp`'
mysql_join_binary_packages_binary_packages_in_repositories 's_bp' 's_bpir'
printf ' AND NOT `s_bpir`.`is_to_be_deleted`'
mysql_join_binary_packages_install_target_providers 's_bp' 's_itp'
mysql_join_binary_packages_in_repositories_repositories 's_bpir' 's_r'
printf ' AND `s_r`.`is_on_master_mirror`'
printf ' JOIN `repository_stability_relations`'
printf ' ON `repository_stability_relations`.`more_stable`=`s_r`.`stability`'
printf ' WHERE `s_itp`.`install_target`=`install_target_providers`.`install_target`'
printf ' AND `s_r`.`architecture`=`repositories`.`architecture`'
printf ' AND `repository_stability_relations`.`less_stable`=`d_r`.`stability`'
printf ')'
printf ');\n'
fi
# first enter all potentially to-be-deleted binary_packages into the table
printf 'CREATE TEMPORARY TABLE `bp_to_delete` (`id` BIGINT, UNIQUE KEY (`id`));\n'
printf 'INSERT IGNORE INTO `bp_to_delete`'
printf ' SELECT `binary_packages_in_repositories`.`package`'
printf ' FROM `bpir_to_delete`'
printf ' JOIN `binary_packages_in_repositories`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`;\n'
# then remove all bp_to_delete which are actually still needed
printf 'DELETE `bp_to_delete`'
printf ' FROM `bp_to_delete`'
printf ' JOIN `binary_packages`'
printf ' ON `binary_packages`.`id`=`bp_to_delete`.`id`'
mysql_join_binary_packages_binary_packages_in_repositories
mysql_join_binary_packages_in_repositories_repositories
printf ' WHERE `repositories`.`is_on_master_mirror`'
printf ' AND NOT EXISTS ('
printf 'SELECT 1'
printf ' FROM `bpir_to_delete`'
printf ' WHERE `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
printf ');\n'
printf 'SELECT DISTINCT'
printf ' "repo",'
printf '`architectures`.`name`,'
printf '`repositories`.`name`'
printf ' FROM `bpir_to_delete`'
printf ' JOIN `binary_packages_in_repositories`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
mysql_join_repositories_architectures
printf ';\n'
printf 'SELECT'
printf ' "package",'
printf '`architectures`.`name`,'
printf '`repositories`.`name`,'
printf '`binary_packages`.`pkgname`'
printf ' FROM `bpir_to_delete`'
printf ' JOIN `binary_packages_in_repositories`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
mysql_join_repositories_architectures
printf ';\n'
printf 'SELECT "package-file",CONCAT('
printf '`r_a`.`name`,"/",'
printf '`repositories`.`name`,"/",'
mysql_package_name_query
printf ') FROM `bpir_to_delete`'
printf ' JOIN `binary_packages_in_repositories`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
mysql_join_binary_packages_in_repositories_binary_packages
mysql_join_binary_packages_in_repositories_repositories
mysql_join_binary_packages_architectures
printf ' LEFT'
mysql_join_binary_packages_compressions
mysql_join_repositories_architectures '' 'r_a'
printf ';\n'
printf 'SELECT "package-in-repository-id",`bpir_to_delete`.`id`'
printf ' FROM `bpir_to_delete`'
printf ';\n'
printf 'SELECT "package-file",CONCAT('
printf '"pool/",'
mysql_package_name_query
printf ') FROM `bp_to_delete`'
printf ' JOIN `binary_packages`'
printf ' ON `bp_to_delete`.`id`=`binary_packages`.`id`'
mysql_join_binary_packages_architectures
printf ' LEFT'
mysql_join_binary_packages_compressions
printf ';\n'
# we do not need the ids of the to-be-deleted binary_packages, because
# they stay in the database and are merely moved to the deletion-list
} | \
mysql_run_query | \
sed '
y/\t/ /
/^repo /{
s/^\S\+ //
w '"${tmp_dir}"'/repositories
d
}
/^package /{
s/^\S\+ //
w '"${tmp_dir}"'/packages
d
}
/^package-file /{
s/^\S\+ //
w '"${tmp_dir}"'/package-files
s/$/.sig/
w '"${tmp_dir}"'/package-files
d
}
/^package-in-repository-id /{
s/^\S\+ //
w '"${tmp_dir}"'/package-in-repository-ids
d
}
'
if [ -n "${build_support}" ] && \
[ -w "${build_support}" ] && \
[ ! -p "${build_support}" ]; then
sed -n '
\,^pool/, d
s/\.sig$//
T
p
' "${tmp_dir}/package-files" > \
"${build_support}"
fi
if [ ! -s "${tmp_dir}/packages" ]; then
printf 'Nothing to delete.\n'
exit
fi
mkdir "${tmp_dir}/repos"
while read -r arch repo; do
{
printf 'mkdir -p "%s/repos/%s"\n' "${tmp_dir}" "${arch}"
printf 'failsafe_rsync'
for suffix in 'db' 'files'; do
printf ' "%s/%s/%s/%s.%s.tar.gz"' \
"${master_mirror_rsync_directory}" \
"${arch}" \
"${repo}" \
"${repo}" \
"${suffix}"
done
printf ' "%s/repos/%s"\n' "${tmp_dir}" "${arch}"
} \
| intent_something "${no_action_option}"
{
printf 'repo-remove "%s/repos/%s/%s.db.tar.gz" ' \
"${tmp_dir}" \
"${arch}" \
"${repo}"
grep "^$(str_to_regex "${arch} ${repo}") " "${tmp_dir}/packages" \
| cut -d' ' -f3 \
| tr '\n' ' '
printf '\n'
printf 'recompress_gz "%s"' \
"${tmp_dir}"
for suffix in '' '.old'; do
printf ' "%s/repos/%s/%s."*".tar.gz%s"' \
"${tmp_dir}" "${arch}" "${repo}" "${suffix}"
done
printf '\n'
} \
| intent_something "${no_action_option}"
{
printf 'failsafe_rsync'
for suffix in 'db' 'files'; do
printf ' "%s/repos/%s/%s.%s."*' \
"${tmp_dir}" \
"${arch}" \
"${repo}" \
"${suffix}"
done
printf ' "%s/%s/%s/"\n' \
"${master_mirror_rsync_directory}" \
"${arch}" \
"${repo}"
} \
| intent_something "${no_action_option}"
done \
<"${tmp_dir}/repositories"
# shellcheck disable=SC2016
{
printf 'mysql_run_query <<END_OF_MYSQL_QUERY\n'
printf 'CREATE TEMPORARY TABLE `bpir_to_delete` (`id` BIGINT, UNIQUE KEY (`id`));\n'
printf 'LOAD DATA LOCAL INFILE "%s" INTO TABLE `bpir_to_delete`;\n' \
"${tmp_dir}/package-in-repository-ids"
printf 'UPDATE `binary_packages_in_repositories`'
printf ' JOIN `bpir_to_delete`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
mysql_join_binary_packages_in_repositories_repositories
printf ' JOIN `repositories` AS `d_r`'
printf ' ON `d_r`.`stability`=%s' \
"${repository_stability_ids__forbidden}"
printf ' AND `d_r`.`architecture`=`repositories`.`architecture`'
printf ' SET `binary_packages_in_repositories`.`repository`=`d_r`.`id`'
# shellcheck disable=SC2154
printf ' WHERE `repositories`.`stability`!=%s;\n' \
"${repository_stability_ids__standalone}"
printf 'DELETE `binary_packages_in_repositories`'
printf ' FROM `binary_packages_in_repositories`'
printf ' JOIN `bpir_to_delete`'
printf ' ON `bpir_to_delete`.`id`=`binary_packages_in_repositories`.`id`'
mysql_join_binary_packages_in_repositories_repositories
printf ' WHERE `repositories`.`stability`!=%s;\n' \
"${repository_stability_ids__forbidden}"
printf 'DELETE `binary_packages`'
printf ' FROM `binary_packages`'
printf ' WHERE NOT EXISTS ('
printf 'SELECT 1'
printf ' FROM `binary_packages_in_repositories`'
printf ' WHERE `binary_packages_in_repositories`.`package`=`binary_packages`.`id`'
printf ');\n'
printf 'END_OF_MYSQL_QUERY\n'
} \
| sed 's/`/\\`/g' \
| intent_something "${no_action_option}"
{
printf 'failsafe_sftp <<END_OF_SFTP_COMMANDS\n'
sed '
s/^/rm "/
s/$/"/
' "${tmp_dir}/package-files"
printf 'END_OF_SFTP_COMMANDS\n'
} \
| intent_something "${no_action_option}"
# cleanup is now handled by the intentions-queue
printf 'rm -rf --one-file-system "%s"\n' "${tmp_dir}" \
| intent_something "${no_action_option}"
# iff not `-n`
if [ -z "${no_action_option}" ]; then
trap - EXIT
execute_all_intentions
fi
|