#!/bin/sh

# clean up unnecessary data

. "${0%/*}/../conf/default.conf"

if ! "${base_dir}/bin/sanity-check" -r; then
  >&2 echo 'Build master is not sane.'
  exit 1
fi

# remove logs where package is not broken/locked anymore

(
  ls "${build_log_directory}" | \
    sed 's|\.[^.]\+\.build-log\.gz$||' | \
    sort -u
  ls "${work_dir}/package-states" | \
    grep '\.broken$\|\.locked$' | \
    sed '
      s|\.[^.]\+$||
      p
    '
) | \
  sort | \
  uniq -u | \
  while read -r s t; do
    rm -f "${build_log_directory}/${s}."*
  done

# only keep 10 newest logs per package

ls "${build_log_directory}" | \
  sed 's|^\(.*\)\(\.\([^.]\+\)\.build-log\.gz\)$|\1\2 \3 \1|' | \
  sort -k3,3 -k2r,2 | \
  uniq -f2 --group=prepend | \
  (
    count=0
    while read -r a b c; do
      if [ -z "${a}" ]; then
        count=0
        continue
      fi
      if [ ${count} -ge 10 ]; then
        echo "${build_log_directory}/${a}"
      fi
      count=$[${count}+1]
    done
  ) | \
  xargs -rn1 rm