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1#!/bin/bash -eu
2#
3# Copyright 2017 Google Inc. All rights reserved.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# To track how long we took to startup. %N isn't supported on Darwin, but
18# that's detected in the Go code, which skips calculating the startup time.
19export TRACE_BEGIN_SOONG=$(date +%s%N)
20
21# Function to find top of the source tree (if $TOP isn't set) by walking up the
22# tree.
23function gettop
24{
25    local TOPFILE=build/soong/root.bp
26    if [ -n "${TOP-}" -a -f "${TOP-}/${TOPFILE}" ] ; then
27        # The following circumlocution ensures we remove symlinks from TOP.
28        (cd $TOP; PWD= /bin/pwd)
29    else
30        if [ -f $TOPFILE ] ; then
31            # The following circumlocution (repeated below as well) ensures
32            # that we record the true directory name and not one that is
33            # faked up with symlink names.
34            PWD= /bin/pwd
35        else
36            local HERE=$PWD
37            T=
38            while [ \( ! \( -f $TOPFILE \) \) -a \( $PWD != "/" \) ]; do
39                \cd ..
40                T=`PWD= /bin/pwd -P`
41            done
42            \cd $HERE
43            if [ -f "$T/$TOPFILE" ]; then
44                echo $T
45            fi
46        fi
47    fi
48}
49
50# Save the current PWD for use in soong_ui
51export ORIGINAL_PWD=${PWD}
52export TOP=$(gettop)
53source ${TOP}/build/soong/scripts/microfactory.bash
54
55soong_build_go soong_ui android/soong/cmd/soong_ui
56
57cd ${TOP}
58exec "$(getoutdir)/soong_ui" "$@"
59