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#!/bin/sh

# clean up unnecessary data

# shellcheck disable=SC2119,SC2120

# shellcheck source=../lib/load-configuration
. "${0%/*}/../lib/load-configuration"

# we only clean if run interactive or if no one is logged in
if ! tty -s && \
  [ -n "$(users)" ]; then
  >&2 echo 'Skipping clean up.'
  exit
fi

if [ -s "${work_dir}/build-master-sanity" ]; then
  >&2 echo 'Build master is not sane.'
  exit
fi

# Lock the database - we should not run in parallel with db-update.
exec 9> "${package_database_lock_file}"
# shellcheck disable=SC2086
if ! verbose_flock -n 9; then
  >&2 echo 'come back (shortly) later - I cannot lock package database.'
  exit 0
fi

# only keep newest logs per failed package and fail_reason

# shellcheck disable=SC2016
{
  printf 'DELETE `failed_builds`'
  printf ' FROM `failed_builds`'
  printf ' LEFT JOIN ('
    printf 'SELECT'
    printf ' `failed_builds`.`reason`,'
    printf '`failed_builds`.`build_assignment`,'
    printf ' MAX(`failed_builds`.`date`) AS `max_date`'
    printf ' FROM `failed_builds`'
    printf ' GROUP BY CONCAT(`failed_builds`.`reason`,"-",`failed_builds`.`build_assignment`)'
  printf ') AS `last_log_q`'
  printf ' AND `last_log_q`.`%s`=`failed_builds`.`%s`' \
    'max_date' 'date' \
    'reason' 'reason' \
    'build_assignment' 'build_assignment' \
    | sed '
      s/^ AND / ON /
    '
  printf ' WHERE `last_log_q`.`reason` IS NULL;\n'

} | \
  mysql_run_query

# remove logs where package is not broken/locked anymore

{
  find "${build_log_directory}/error" -maxdepth 1 -type f -printf 'file %f\n'
  # shellcheck disable=SC2016
  {
    printf 'SELECT "mysql",`failed_builds`.`log_file`'
    printf ' FROM `failed_builds`;\n'
  } | \
    mysql_run_query | \
    tr '\t' ' '
} | \
  sort -k2,2 -k1,1 | \
  uniq -uf 1 | \
  sed -n '
    s/^file //
    T
    p
  ' | \
  while read -r file; do
    rm "${build_log_directory}/error/${file}"
  done

# Release database lock.
flock -u 9 || true

# only keep namcap logs of last 2 weeks for succeeded packages
find "${build_log_directory}/success" -maxdepth 1 -type f -mtime +14 \
  -not -exec zgrep -q '^+.*ELF file .* has text relocations' '{}' \; \
  -delete

exit 0