49 lines
974 B
Go
49 lines
974 B
Go
//go:build unix
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// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// utils-unix.go
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package kern
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import (
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"os"
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"os/user"
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"path"
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"strings"
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)
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func ExpandPath(sourcePath string) (expandedPath string, err error) {
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for expandedPath = os.ExpandEnv(sourcePath); expandedPath != sourcePath; expandedPath = os.ExpandEnv(sourcePath) {
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sourcePath = expandedPath
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}
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if strings.HasPrefix(sourcePath, "~") {
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var home, userName, remainder string
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slashPos := strings.IndexRune(sourcePath, '/')
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if slashPos > 0 {
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userName = sourcePath[1:slashPos]
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remainder = sourcePath[slashPos:]
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} else {
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userName = sourcePath[1:]
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}
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if len(userName) == 0 {
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home, err = os.UserHomeDir()
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if err != nil {
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return
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}
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} else {
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var userInfo *user.User
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userInfo, err = user.Lookup(userName)
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if err != nil {
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return
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}
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home = userInfo.HomeDir
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}
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expandedPath = path.Join(home, remainder)
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}
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return
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}
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