62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
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/*
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Copyright 2017 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package util
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import (
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gobuild "go/build"
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"path"
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"path/filepath"
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"reflect"
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"strings"
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)
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type empty struct{}
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// CurrentPackage returns the go package of the current directory, or "" if it cannot
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// be derived from the GOPATH.
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func CurrentPackage() string {
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for _, root := range gobuild.Default.SrcDirs() {
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if pkg, ok := hasSubdir(root, "."); ok {
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return pkg
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}
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}
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return ""
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}
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func hasSubdir(root, dir string) (rel string, ok bool) {
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// ensure a tailing separator to properly compare on word-boundaries
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const sep = string(filepath.Separator)
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root = filepath.Clean(root)
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if !strings.HasSuffix(root, sep) {
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root += sep
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}
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// check whether root dir starts with root
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dir = filepath.Clean(dir)
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if !strings.HasPrefix(dir, root) {
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return "", false
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}
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// cut off root
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return filepath.ToSlash(dir[len(root):]), true
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}
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// BoilerplatePath uses the boilerplate in code-generator by calculating the relative path to it.
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func BoilerplatePath() string {
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return path.Join(reflect.TypeOf(empty{}).PkgPath(), "/../../hack/boilerplate.go.txt")
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}
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