platform_build_soong/soong_ui.bash

#!/bin/bash -eu
#
# Copyright 2017 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# To track how long we took to startup. %N isn't supported on Darwin, but
# that's detected in the Go code, which skips calculating the startup time.
export TRACE_BEGIN_SOONG=$(date +%s%N)

# Function to find top of the source tree (if $TOP isn't set) by walking up the
# tree.
function gettop
{
    local TOPFILE=build/soong/root.bp
    if [ -z "${TOP-}" -a -f "${TOP-}/${TOPFILE}" ] ; then
        # The following circumlocution ensures we remove symlinks from TOP.
        (cd $TOP; PWD= /bin/pwd)
    else
        if [ -f $TOPFILE ] ; then
            # The following circumlocution (repeated below as well) ensures
            # that we record the true directory name and not one that is
            # faked up with symlink names.
            PWD= /bin/pwd
        else
            local HERE=$PWD
            T=
            while [ \( ! \( -f $TOPFILE \) \) -a \( $PWD != "/" \) ]; do
                \cd ..
                T=`PWD= /bin/pwd -P`
            done
            \cd $HERE
            if [ -f "$T/$TOPFILE" ]; then
                echo $T
            fi
        fi
    fi
}

export TOP=$(gettop)
source build/soong/cmd/microfactory/microfactory.bash

build_go soong_ui android/soong/cmd/soong_ui
exec "$(getoutdir)/soong_ui" "$@"