#!/bin/sh

# clean up unnecessary data

# shellcheck source=../conf/default.conf
. "${0%/*}/../conf/default.conf"

# TODO: clean database, too

# 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

# remove logs where package is not broken/locked anymore

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

# only keep 10 newest logs per failed package

find "${build_log_directory}/error" -maxdepth 1 -type f -printf '%f\n' | \
  sed 's|^\(.*\)\(\.\([^.]\+\)\.build-log\.gz\)$|\1\2 \3 \1|' | \
  sort -k3,3 -k2r,2 | \
  uniq -f2 --group=prepend | \
  cut -d' ' -f1 | \
  {
    count=0
    while read -r a; do
      if [ -z "${a}" ]; then
        count=0
        continue
      fi
      if [ ${count} -ge 10 ]; then
        rm "${build_log_directory}/error/${a}"
      fi
      count=$((count+1))
    done
  }

# only keep last 50 lines of ssh-log
tail -n50 "${work_dir}/ssh-log" | \
  sponge "${work_dir}/ssh-log"

# 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