mirror of https://github.com/golang/go.git
39 lines
819 B
Go
39 lines
819 B
Go
// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build go1.18
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// +build go1.18
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package govulncheck
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import (
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"path/filepath"
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"strings"
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)
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// AbsRelShorter takes path and returns its path relative
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// to the current directory, if shorter. Returns path
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// when path is an empty string or upon any error.
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func AbsRelShorter(path string) string {
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if path == "" {
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return ""
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}
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c, err := filepath.Abs(".")
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if err != nil {
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return path
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}
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r, err := filepath.Rel(c, path)
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if err != nil {
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return path
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}
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rSegments := strings.Split(r, string(filepath.Separator))
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pathSegments := strings.Split(path, string(filepath.Separator))
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if len(rSegments) < len(pathSegments) {
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return r
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}
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return path
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}
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