Robustify and speed up cros_mark_all_as_stable.

cros_mark_all_as_stable

-#!/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."
-DEFINE_string tracking_branch "origin" \
-  "Used with commit to specify branch to track against."
-
-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=""
-# List of IFS-delimited ebuilds to ignore.
-PACKAGE_BLACKLIST=""
-# File containing the names of blacklisted packages.
-BLACKLIST_FILE=$(dirname "${0}")/cros_mark_as_stable_blacklist
-
-[ -f "${BLACKLIST_FILE}" ] && \
-  PACKAGE_BLACKLIST=$(cat "${BLACKLIST_FILE}")
-
-function package_is_blacklisted() {
-  # Makes a list that looks like "\|package1\|package2\|...packagen".
-  local blist_regex=$(for i in ${PACKAGE_BLACKLIST}; do echo -n "\\|${i}"; done)
-  expr "${1}" : "^\(${blist_regex/\\|/}\)$" &> /dev/null && return 0 || return 1
-}
-
-# 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
-  if package_is_blacklisted ${package}; then
-    info "${package} blacklisted, skipping"
-    continue
-  fi
-  # We need to pick up any stable ebuilds for any platform.
-  ebuild_path=$(ACCEPT_KEYWORDS="arm x86 amd64" ${EQUERYCMD} which ${package})\
-      || continue
-  # Get 9999 ebuild path to see if it got changed.
-  ebuild_9999_path=$(ACCEPT_KEYWORDS="~*" ${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 ${package}, checking for 9999 ebuild change."
-    # egrep succeeds if there are important differences between the ebuilds.
-    if diff "${ebuild_path}" "${ebuild_9999_path}" | \
-        egrep -v "KEYWORDS|CROS_WORKON_COMMIT|^---|^[<>]\ *$|^[0-9]"; then
-      info "Detected 9999 ebuild change for ${package}."
-      PACKAGE_LIST="${PACKAGE_LIST} ${package}"
-      COMMIT_ID_LIST="${COMMIT_ID_LIST} ${egit_commit}"
-    fi
-  fi
-done
-
-if [ -n "${PACKAGE_LIST}" ] ; then
-  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}" -t ${FLAGS_tracking_branch} commit  || \
-    die "Could not mark all packages as stable"
-else
-  info "No candidate packages to be marked"
-fi