bin/build-master-status


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#!/bin/sh

# report about status of build master

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

# TODO: replace by build-master-status-from-mysql

usage() {
  >&2 echo ''
  >&2 echo 'build-master-status: report about status of build master'
  >&2 echo ''
  >&2 echo 'possible options:'
  >&2 echo '  -h|--help:'
  >&2 echo '    Show this help and exit.'
  [ -z "$1" ] && exit 1 || exit "$1"
}

eval set -- "$(
  getopt -o h \
    --long help \
    -n "$(basename "$0")" -- "$@" || \
  echo usage
)"

while true
do
  case "$1" in
    -h|--help)
      usage 0
    ;;
    --)
      shift
      break
    ;;
    *)
      >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
      exit 42
    ;;
  esac
  shift
done

if [ $# -ne 0 ]; then
  >&2 echo 'Too many arguments.'
  usage
fi

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

tmp_dir=$(mktemp -d 'tmp.build-master-status.XXXXXXXXXX' --tmpdir)
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT

{
  printf '%s\n' \
    '<html>' \
    '<head>' \
    '<title>Todos in the build scripts</title>' \
    '</head>' \
    '<body>'
  find "${base_dir}/bin/" "${base_dir}/conf/" -type f \
    -exec grep -nHF '' '{}' \; | \
    awk '
      { print $0 }
      /^[^:]+:[0-9]+:\s*#\s*TODO:/{print ++i}
    ' | \
    sed -n '
      s/^\([^:]\+\):\([0-9]\+\):\s*#\s*TODO:\s*/\1\n\2\n/
      T
      N
      s/\n\(.*\)\n\([0-9]\+\)$/\n\2\n\1/
      :a
        N
        s/\n[^:\n]\+:[0-9]\+:[ \t]*#[ \t]*\(\S[^\n]*\)$/\n\1/
        ta
      s/\n[^:\n]\+:[0-9]\+:[^\n]*$/\n/
      p
    ' | \
    tee "${tmp_dir}/todos" | \
    sed '
      :a
      N
      /\n$/!ba
      s|^[^\n]*/\([^/\n]\+/[^/\n]\+\)\n\([0-9]\+\)\n\([0-9]\+\)\n|<a href="#TODO\2" name="TODO\2">TODO #\2</a> - <a href="https://github.com/archlinux32/builder/blob/master/\1#L\3">\1 (line \3)</a>:\n|
    ' | \
    sed '
      s|$|<br>|
    '
  printf '%s\n' \
    '</body>' \
    '</html>'
} > \
  "${tmp_dir}/todos.html"

if [ -s "${tmp_dir}/todos" ]; then
  sed '
    :a
    N
    /\n$/!ba
    s|^[^\n]*/\([^/\n]\+/[^/\n]\+\)\n\([0-9]\+\)\n\([0-9]\+\)\n|\1 \3 |
    s/\n$//
    s/\n/\\n/g
  ' -i "${tmp_dir}/todos"
  while read -r file line desc; do
    printf '%s %s %s\n' \
      "$(printf '%s' "${file}" | base64 -w0)" \
      "$(printf '%s' "${line}" | base64 -w0)" \
      "$(printf '%s' "${desc}" | base64 -w0)"
  done < \
    "${tmp_dir}/todos" | \
    sponge "${tmp_dir}/todos"
  # update todos
  # shellcheck disable=SC2016
  while read -r file line desc; do
    printf 'UPDATE IGNORE `todos`'
    printf ' SET `todos`.`line`=from_base64("%s")' \
      "${line}"
    printf ' WHERE `todos`.`file`=from_base64("%s")' \
      "${file}"
    printf ' AND `todos`.`description`=from_base64("%s");\n' \
      "${desc}"

    printf 'UPDATE IGNORE `todos`'
    printf ' SET `todos`.`description`=from_base64("%s")' \
      "${desc}"
    printf ' WHERE `todos`.`file`=from_base64("%s")' \
      "${file}"
    printf ' AND `todos`.`line`=from_base64("%s");\n' \
      "${line}"
  done < \
    "${tmp_dir}/todos" | \
    mysql_run_query
  # insert unfound todos
  # shellcheck disable=SC2016
  {
    printf 'SHOW CREATE TABLE `todos`' | \
      mysql_run_query | \
      sed '
        1s/^\S\+\s\+CREATE TABLE `todos` /CREATE TEMPORARY TABLE `td` /
      '
    printf ';\n'
    printf 'INSERT INTO `td` (`file`,`line`,`description`) VALUES '
    while read -r file line desc; do
      printf '('
      printf 'from_base64("%s"),' \
        "${file}" \
        "${line}" \
        "${desc}" | \
        sed 's/,$/),/'
    done < \
      "${tmp_dir}/todos" | \
      sed '
        s/,$//
      '
    printf ';\n'
    printf 'INSERT IGNORE INTO `todos` (`file`,`line`,`description`) '
    printf 'SELECT `td`.`file`,`td`.`line`,`td`.`description` '
    printf 'FROM `td` '
    printf 'WHERE NOT EXISTS ('
    printf 'SELECT * FROM `todos`'
    printf ' AND `td`.`%s`=`todos`.`%s`' \
      'file' 'file' \
      'line' 'line' \
      'description' 'description' | \
      sed 's/^ AND / WHERE /'
    printf ');\n'

    printf 'DELETE FROM `todos` WHERE NOT EXISTS ('
    printf 'SELECT * FROM `td`'
    printf ' AND `td`.`%s`=`todos`.`%s`' \
      'file' 'file' \
      'line' 'line' \
      'description' 'description' | \
      sed 's/^ AND / WHERE /'
    printf ');'
    printf 'DROP TABLE `td`;\n'
    printf 'DELETE FROM `todo_links` WHERE NOT EXISTS ('
    printf 'SELECT * FROM `todos` '
    printf 'WHERE `todos`.`id`=`todo_links`.`depending_on`'
    printf ') OR NOT EXISTS ('
    printf 'SELECT * FROM `todos` '
    printf 'WHERE `todos`.`id`=`todo_links`.`dependent`'
    printf ');\n'
  } | \
    mysql_run_query
  rm -f "${tmp_dir}/todos"
fi

{
  printf '%s\n' \
    '<html>' \
    '<head>' \
    '<title>Blacklisted packages</title>' \
    '<link rel="stylesheet" type="text/css" href="/static/style.css">' \
    '</head>' \
    '<body>' \
    '<table>'
  printf '<tr>'
  printf '<th>%s</th>' \
    'package' \
    'reason'
  printf '</tr>\n'
  git -C "${repo_paths__archlinux32}" archive "$(cat "${work_dir}/archlinux32.revision")" -- 'blacklist' | \
    tar -Ox | \
    sed '
      s@FS#\([0-9]\+\)@<a href="https://bugs.archlinux.org/task/\1">\0</a>@
      s@FS32#\([0-9]\+\)@<a href="https://bugs.archlinux32.org/index.php?do=details\&task_id=\1">\0</a>@
      /.#/!s/$/#/
      s|\(.\)#|\1</td><td>|
      /^\s*#/{
        s/^\s*#\s*//
        s|\s*\(</td><td>\)|</font></s>\1|
        s/^/<s><font color="#808080">/
      }
      s|^|<tr><td>|
      s|$|</td></tr>|
    '
  printf '%s\n' \
    '</table>' \
    '</body>' \
    '</html>'
} > \
  "${tmp_dir}/blacklist.html"

{
  printf '%s\n' \
    '<html>' \
    '<head>' \
    '<title>log of ssh connections from build slaves</title>' \
    '</head>' \
    '<body>' \
    '<table>'
  printf '<tr>'
  printf '<th>%s</th>' \
    'time' \
    'build slave' \
    'command' \
    'arguments'
  printf '</tr>\n'
  if [ -r "${work_dir}/ssh-log" ]; then
    tac "${work_dir}/ssh-log" | \
      while read -r date time slave command arguments; do
        printf '<tr>'
        printf '<td>%s</td>' \
          "${date} ${time}" \
          "${slave}" \
          "${command}" \
          "${arguments}"
        printf '</tr>\n'
      done
  fi
  printf '%s\n' \
    '</table>' \
    '</body>' \
    '</html>'
} > \
  "${tmp_dir}/ssh-log.html"

find "${tmp_dir}" -maxdepth 1 -type f | \
  while read -r file; do
    cat "${file}" > \
      "${webserver_directory}/${file##*/}"
  done