#!/bin/bash

# report back on a build assignment
# either on success via:
#   "$0 $package $revision $mod_revision $repository" and tar'ed packages (= a tar of
#   package(s) and signature(s)) on stdin
# or on failure via:
#   "$0 $package $revision $mod_revision $repository ERROR"

# TODO:
#  properly handle if built package is out of date
#  use lock file(s)
#  remove old version(s) of newly compiled packages

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

if [ "$5" == 'ERROR' ]; then
# the build failed on the build slave

  mv "${work_dir}/package-states/$1.$2.$3.$4."{locked,broken}

  # unlock every loop this package would have broken and which is not
  # broken by another locked package
  (
    # loops broken by another locked package
    ls "${work_dir}/package-states/"{*.*.*.*,$1.$2.$3.$4}.locked | \
      sort | \
      uniq -u | \
      sed 's|\.locked$||' | \
      xargs -n1 sed '1d' | \
      sort -u | \
      sed 'p'
    # loops broken by this package
    sed '1d' "${work_dir}/package-states/$1.$2.$3.$4"
  ) | \
    sort | \
    uniq -u | \
    sed 's|$|.locked|' | \
    xargs -rn1 rm -f

  exit 0

fi

# the build was successful on the build slave

# extract package
mkdir -p "${master_mirror_directory}/$4-staging/"
cd "${master_mirror_directory}/$4-staging/"
new_files="$(tar -xv --wildcards '*.pkg.tar.xz'{,.sig})"
repo-add -v -s -k "${repo_key}" "$4-staging.db.tar.gz" $(echo "${new_files}" | grep '\.pkg\.tar\.xz\(\.sig\)\?$')

# remove all loops which are broken by this package
sed '1d' "${work_dir}/package-states/$1.$2.$3.$4.locked" | \
  sort -u | \
  sed 'p;s|$|.locked|' | \
  xargs -rn1 rm -f

# remove package from build list
sed -i "/^${1//./\\.} $2 $3 $4\$/d" "${work_dir}/build-list"

# remove package lock file
rm "${work_dir}/package-states/$1.$2.$3.$4.locked"