1// Copyright 2021 The Tint Authors. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15// Package fileutils contains utility functions for files 16package fileutils 17 18import ( 19 "path/filepath" 20 "runtime" 21) 22 23// GoSourcePath returns the absolute path to the .go file that calls the 24// function 25func GoSourcePath() string { 26 _, filename, _, ok := runtime.Caller(1) 27 if !ok { 28 panic("No caller information") 29 } 30 path, err := filepath.Abs(filename) 31 if err != nil { 32 panic(err) 33 } 34 return path 35} 36 37// ProjectRoot returns the path to the tint project root 38func ProjectRoot() string { 39 toolRoot := filepath.Dir(GoSourcePath()) 40 root, err := filepath.Abs(filepath.Join(toolRoot, "../../..")) 41 if err != nil { 42 panic(err) 43 } 44 return root 45} 46