Wrapper of ninja

build.sh

#!/bin/env zsh

# default parameters
DEFAULT_TARGETS="content_unittests content_browsertests chrome blink_tests browser_tests content_shell chromedriver webkit_unit_tests unit_tests"

script=$0
script_dir=$(cd $(dirname $script); pwd)

function usage() {
    cat 1>&2 <<EOL
Usage: $script [option] type
type: release, debug, tsan, msan, android, cast, fuzzer, compdb, release-chromeos
option:
  --use-master-outdir: Create an out dir as a symbolic link to out/master_TYPE.
                       This won't make a symbolic link if the out dir for this
                       branch already exists.
  --out-dir=OUTDIR, -o OUTDIR: Use the dir as the out dir. [default: {BRANCH}_{TYPE}]
  --help, -h: Show this help.
EOL
}

function template_args_file_path() {
  local build_type=$1
  echo "${script_dir}/out/${build_type}/args.gn"
}

function generate_compdb() {
  local outdir="$1"
  local compile_commands="$2"
  echo "Updating compdb..."
  ninja -C ${script_dir}/${outdir} -t compdb > $compile_commands cxx cc
  # Remove flags for optional plugins built in the custom clang in chromium.
  sed -i -E 's/-Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc//' $compile_commands
  # Remove dependency file.
  sed -i -E 's/-MF [^ ]+ //' $compile_commands
  sed -i -E 's/-MMD //' $compile_commands
  ln -sf $compile_commands ${script_dir}/compile_commands.json
  echo "done."
}

function comment_goma_settings_from_gn_arg() {
  local outdir=$1
  echo "Removing the use_goma settings"
  sed -i -e 's/^use_goma/## use_goma/' ${outdir}/args.gn
  echo "Regenerate gn settings."
  gn gen ${outdir}
  echo "done."
}

function uncomment_goma_settings_from_gn_arg() {
  local outdir=$1
  echo "Adding the use_goma settings"
  sed -i -e 's/^## use_goma/use_goma/' ${outdir}/args.gn
  echo "Regenerate gn settings."
  gn gen ${outdir}
  echo "done."
}

function check_and_create_outdir_with_compdb() {
  local outdir=$1
  local build_type=$2
  if [[ ! -e "$outdir" ]]; then
    echo "$outdir was not found. Creating the out dir..."
    gn gen $outdir
  fi

  # Update args.gn if there is a diff from the template.
  diff $(template_args_file_path "$build_type") $outdir/args.gn > /dev/null 2>&1
  if [[ "$?" -ne "0" ]]; then
    echo "Update ninja configuration based on the template (out/$build_type)"
    cp -v $(template_args_file_path "$build_type") $outdir
    gn gen $outdir
    echo "done."
  fi

  ln -sf $script_dir/$outdir $script_dir/out/current_outdir

  local compile_commands="${script_dir}/${outdir}/compile_commands.json"
  if [[ ! -f "$compile_commands" ]]; then
    comment_goma_settings_from_gn_arg "$outdir"
    generate_compdb "$outdir" "$compile_commands"
    uncomment_goma_settings_from_gn_arg "$outdir"
  fi
}


# Options
USE_MASTER_OUTDIR=0

# Parse options
local -A opthash
local overridden_outdir
zparseopts -D -A opthash -- -use-master-outdir o: -outdir:=o h -help=h
if [[ -n "${opthash[(i)-h]}" ]]; then
  usage
  exit 1
fi

if [[ -n "${opthash[(i)--use-master-outdir]}" ]]; then
  USE_MASTER_OUTDIR=1
  echo "Use master outdir."
fi

if [[ -n "${opthash[(i)-o]}" ]]; then
  overridden_outdir=${opthash[-o]}
fi

# Check the arguments
if [[ $# -lt 1 ]]; then
    echo "Too few arguments" 1>&2
    usage
    exit 1
fi

# arguments
local type
type=$1
shift 1

branch=$(git rev-parse --abbrev-ref HEAD)

# Consume the rest of parameters based on the type.
case $type in
    tsan)
        export TSAN_OPTIONS="external_symbolizer_path=third_party/llvm-build/Release+Asserts/bin/llvm-symbolizer"
        if [[ $# -lt 1 ]]; then
            #targets="base_unittests content_browsertests content_unittests"
            targets=$DEFAULT_TARGETS
        else
            targets=$@
        fi
        ;;
    msan)
        if [[ $# -lt 1 ]]; then
            #targets="base_unittests content_browsertests content_unittests browser_tests"
            targets=$DEFAULT_TARGETS

        else
            targets=$@
        fi
        ;;
     asan)
        if [[ $# -lt 1 ]]; then
            #targets="base_unittests content_browsertests content_unittests browser_tests"
            targets=$DEFAULT_TARGETS
        else
            targets=$@
        fi
        ;;
    debug)
        if [[ $# -lt 1 ]]; then
            targets=$DEFAULT_TARGETS
        else
            targets=$@
        fi
        ;;
    release)
        if [[ $# -lt 1 ]]; then
            targets=$DEFAULT_TARGETS
        else
            targets=$@
        fi
        ;;
    release-chromeos)
        if [[ $# -lt 1 ]]; then
            targets=$DEFAULT_TARGETS
        else
            targets=$@
        fi
        ;;
    android)
        if [[ $# -lt 1 ]]; then
            targets="chrome_public_apk content_shell_apk monochrome_public_apk system_webview_apk"
        else
            targets=$@
        fi
        export JAVA_HOME=$(readlink -ne /usr/local/buildtools/java/jdk)
        ;;
    cast)
        if [[ $# -lt 1 ]]; then
            targets="cast_shell"
        else
            targets=$@
        fi
        ;;
    fuzzer)
        if [[ $# -lt 1 ]]; then
          echo "Please specify the target when compiling fuzzer." 1>&2
          exit 1
        fi
        targets=$@
        ;;
    compdb)
      if [[ $# -lt 1 ]]; then
        echo "Please specify the target build type (release, debug ...) as the second parameter." 1>&2
        echo "$ $0 compdb BUILD_TYPE" 1>&2
        exit 1
      fi
      type="$1"
      local outdir="out/${branch}_${type}"
      if [[ ! -e "$outdir" ]]; then
        echo "No outdir: ${outdir}"
        exit 1
      fi
      compile_commands="${script_dir}/${outdir}/compile_commands.json"
      echo "Re-generate compile_commands.json: $compile_commands"
      comment_goma_settings_from_gn_arg "$outdir"
      generate_compdb "$outdir" "$compile_commands"
      uncomment_goma_settings_from_gn_arg "$outdir"
      exit
      ;;
    *)
        echo "Unknown type: $type"
        exit 1
        ;;
esac

local outdir=out/${branch}_${type}
if [[ ! -z "$overridden_outdir" ]]; then
  outdir=$overridden_outdir
fi

if [[ $USE_MASTER_OUTDIR == 1 ]]; then
  local relevant_master_outdir
  relevant_master_outdir="$script_dir/out/master_${type}"
  # Create a symbolic link to the master
  if [[ ! -e $relevant_master_outdir ]]; then
    echo "No relevant master dir: $relevant_master_outdir" 1>&2
    exit 1
  fi
  if [[ ! -e $outdir ]]; then
    echo "Create a link for $outdir"
    ln -sf $relevant_master_outdir $script_dir/$outdir
  fi
fi

check_and_create_outdir_with_compdb $outdir $type
time autoninja -C $outdir $=targets