50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
/*
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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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https://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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"os"
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"path/filepath"
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"strings"
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)
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// UserHomeDir is a utility function that wraps os.UserHomeDir and returns no
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// errors. If the user has no home directory, the returned value will be the
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// empty string
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func UserHomeDir() string {
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homeDir, err := os.UserHomeDir()
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if err != nil {
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homeDir = ""
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}
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return homeDir
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}
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// ExpandTilde expands the path to include the home directory if the path
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// is prefixed with `~`. If it isn't prefixed with `~` or has no slash after tilde,
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// the path is returned as-is.
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func ExpandTilde(path string) string {
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// Just tilde - return current $HOME dir
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if path == "~" {
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return UserHomeDir()
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}
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// If path starts with ~/ - expand it
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if strings.HasPrefix(path, "~/") {
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return filepath.Join(UserHomeDir(), path[1:])
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}
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// empty strings, absolute paths, ~<(dir/file)name> return as-is
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return path
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}
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