xref: /aosp_15_r20/build/soong/shared/paths.go (revision 333d2b3687b3a337dbcca9d65000bca186795e39)
1*333d2b36SAndroid Build Coastguard Worker// Copyright 2017 Google Inc. All rights reserved.
2*333d2b36SAndroid Build Coastguard Worker//
3*333d2b36SAndroid Build Coastguard Worker// Licensed under the Apache License, Version 2.0 (the "License");
4*333d2b36SAndroid Build Coastguard Worker// you may not use this file except in compliance with the License.
5*333d2b36SAndroid Build Coastguard Worker// You may obtain a copy of the License at
6*333d2b36SAndroid Build Coastguard Worker//
7*333d2b36SAndroid Build Coastguard Worker//     http://www.apache.org/licenses/LICENSE-2.0
8*333d2b36SAndroid Build Coastguard Worker//
9*333d2b36SAndroid Build Coastguard Worker// Unless required by applicable law or agreed to in writing, software
10*333d2b36SAndroid Build Coastguard Worker// distributed under the License is distributed on an "AS IS" BASIS,
11*333d2b36SAndroid Build Coastguard Worker// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*333d2b36SAndroid Build Coastguard Worker// See the License for the specific language governing permissions and
13*333d2b36SAndroid Build Coastguard Worker// limitations under the License.
14*333d2b36SAndroid Build Coastguard Worker
15*333d2b36SAndroid Build Coastguard Workerpackage shared
16*333d2b36SAndroid Build Coastguard Worker
17*333d2b36SAndroid Build Coastguard Worker// This file exists to share path-related logic between both soong_ui and soong
18*333d2b36SAndroid Build Coastguard Worker
19*333d2b36SAndroid Build Coastguard Workerimport (
20*333d2b36SAndroid Build Coastguard Worker	"path/filepath"
21*333d2b36SAndroid Build Coastguard Worker)
22*333d2b36SAndroid Build Coastguard Worker
23*333d2b36SAndroid Build Coastguard Worker// Joins the path strings in the argument list, taking absolute paths into
24*333d2b36SAndroid Build Coastguard Worker// account. That is, if one of the strings is an absolute path, the ones before
25*333d2b36SAndroid Build Coastguard Worker// are ignored.
26*333d2b36SAndroid Build Coastguard Workerfunc JoinPath(base string, rest ...string) string {
27*333d2b36SAndroid Build Coastguard Worker	result := base
28*333d2b36SAndroid Build Coastguard Worker	for _, next := range rest {
29*333d2b36SAndroid Build Coastguard Worker		if filepath.IsAbs(next) {
30*333d2b36SAndroid Build Coastguard Worker			result = next
31*333d2b36SAndroid Build Coastguard Worker		} else {
32*333d2b36SAndroid Build Coastguard Worker			result = filepath.Join(result, next)
33*333d2b36SAndroid Build Coastguard Worker		}
34*333d2b36SAndroid Build Coastguard Worker	}
35*333d2b36SAndroid Build Coastguard Worker	return result
36*333d2b36SAndroid Build Coastguard Worker}
37*333d2b36SAndroid Build Coastguard Worker
38*333d2b36SAndroid Build Coastguard Worker// Given the out directory, returns the root of the temp directory (to be cleared at the start of each execution of Soong)
39*333d2b36SAndroid Build Coastguard Workerfunc TempDirForOutDir(outDir string) (tempPath string) {
40*333d2b36SAndroid Build Coastguard Worker	return filepath.Join(outDir, ".temp")
41*333d2b36SAndroid Build Coastguard Worker}
42