#!/bin/bash

# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Wrapper scripts around cros_mark_as_stable that marks all packages as stable
# that have CROS_WORKON_COMMIT that is different than the current HEAD commit
# of the corresponding git repository.

# Load common constants.  This should be the first executable line.
# The path to common.sh should be relative to your script's location.
. "$(dirname "$0")/common.sh"

# Load common functions for workon scripts.
. "$(dirname "$0")/lib/cros_workon_common.sh"

get_default_board

DEFINE_string board "${DEFAULT_BOARD}" \
  "The board to set package keywords for."

FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"

set -e

BOARD_DIR=/build/"${FLAGS_board}"
EQUERYCMD=equery-"${FLAGS_board}"
EBUILDCMD=ebuild-"${FLAGS_board}"

PACKAGES=$( show_workon_ebuilds )

GRAB_HEAD_COMMIT_CMD="git show HEAD | head -1 | cut -f 2 -d ' '"

# Packages to mark as stable.
PACKAGE_LIST=""
# List of commit ids corresponding to package list.
COMMIT_ID_LIST=""

# For each package, compares the head commit id to the commit id in the ebuild.
# If they do not match, add the package and its commit id into ${PACKAGE_LIST}
# and ${COMMIT_ID_LIST}
for package in ${PACKAGES}; do
  ebuild_path=$(${EQUERYCMD} which ${package}) || continue
  # Sets ${CROS_WORKON_SRCDIR} from the ebuild.
  eval $(${EBUILDCMD} ${ebuild_path} info) &> /dev/null || continue
  head_commit=$( cd "${CROS_WORKON_SRCDIR}" &&\
    bash -c "${GRAB_HEAD_COMMIT_CMD}" ) || continue
  egit_commit=$(\
    eval echo $(grep CROS_WORKON_COMMIT ${ebuild_path} | cut -f 2 -d '=')) ||\
      echo "No CROS_WORKON_COMMIT found in ${ebuild_path}"
  if [[ ${head_commit} != ${egit_commit} ]] && \
    [ -n "${head_commit}" ]; then
    info\
      "HEAD ${head_commit} != CROS_WORKON_COMMIT ${egit_commit} for ${package}"
    PACKAGE_LIST="${PACKAGE_LIST} ${package}"
    COMMIT_ID_LIST="${COMMIT_ID_LIST} ${head_commit}"
  elif [[ ${head_commit}  = ${egit_commit} ]]; then
    info "Commit id's match for ${package}"
  fi
done

info "Candidate package list ${PACKAGE_LIST}"
info "With commit id list ${COMMIT_ID_LIST}"

./cros_mark_as_stable --board ${FLAGS_board} -p "${PACKAGE_LIST}" \
  -i "${COMMIT_ID_LIST}" commit  || \
    die "Could not mark all packages as stable"