75 lines
2.3 KiB
Bash
75 lines
2.3 KiB
Bash
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# Copyright (C) 2022 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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function gettop
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{
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local TOPFILE=build/make/core/envsetup.mk
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# The ${TOP-} expansion allows this to work even with set -u
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if [ -n "${TOP:-}" -a -f "${TOP:-}/$TOPFILE" ] ; then
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# The following circumlocution ensures we remove symlinks from TOP.
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(cd "$TOP"; PWD= /bin/pwd)
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else
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if [ -f $TOPFILE ] ; then
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# The following circumlocution (repeated below as well) ensures
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# that we record the true directory name and not one that is
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# faked up with symlink names.
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PWD= /bin/pwd
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else
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local HERE=$PWD
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local T=
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while [ \( ! \( -f $TOPFILE \) \) -a \( "$PWD" != "/" \) ]; do
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\cd ..
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T=`PWD= /bin/pwd -P`
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done
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\cd "$HERE"
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if [ -f "$T/$TOPFILE" ]; then
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echo "$T"
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fi
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fi
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fi
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}
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# Sets TOP, or if the root of the tree can't be found, prints a message and
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# exits. Since this function exits, it should not be called from functions
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# defined in envsetup.sh.
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if [ -z "${IMPORTING_ENVSETUP:-}" ] ; then
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function require_top
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{
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TOP=$(gettop)
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if [[ ! $TOP ]] ; then
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echo "Can not locate root of source tree. $(basename $0) must be run from within the Android source tree." >&2
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exit 1
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fi
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}
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fi
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function getoutdir
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{
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local top=$(gettop)
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local out_dir="${OUT_DIR:-}"
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if [[ -z "${out_dir}" ]]; then
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if [[ -n "${OUT_DIR_COMMON_BASE:-}" && -n "${top}" ]]; then
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out_dir="${OUT_DIR_COMMON_BASE}/$(basename ${top})"
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else
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out_dir="out"
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fi
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fi
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if [[ "${out_dir}" != /* ]]; then
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out_dir="${top}/${out_dir}"
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fi
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echo "${out_dir}"
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}
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